Insider Trading › IPGP › Insiders
IPG PHOTONICS CORP
IPGP·Nasdaq·
United States·Insider activity
United States·Insider activity$83.69
+0.09 (+0.11%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
IPGP
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
IPGPS&P 500 (rebased)
Insider BuyInsider SellForm 144 · planned sale
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
In the last 180 days, IPGP insiders filed 2 purchases ($199K) and 42 sales ($23.4M) on the open market, by 8 insiders. Newest filing Oct 6, 2026 (yesterday).
Net Insider Buying by Quarter
Shares bought (+) or sold (−) on the open market by IPGP insiders · Form 4 · last two years
On Record
$199KPurchases · 180 days
$23.4MSales · 180 days
2,262Open-market transactions on record
8Insiders filing · 180 days
Purchases (code P) and sales (code S) of IPGP common stock reported on Form 4, with Form 5 annual catch-ups. Grants, option exercises, gifts and tax withholding are not shown. Dollars are shares × the stated price; a price outside anything the stock traded at that day is withheld (n/c).
Insider Transactions
2,262 on record · newest trade first · the newest 300 shown
AllPurchasesSalesOfficers & directors
| Insider | Type | Shares | Price | Value | Held after | Traded | Filed | |
|---|---|---|---|---|---|---|---|---|
| IP FIBRE DEVICES LTD | Sale | −9,876 | $85.39 | $843K | 6.4Mdirect | Oct 2, 2026 | Oct 6, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −5,485 | $86.09 | $472K | 6.4Mdirect | Oct 2, 2026 | Oct 6, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −3,048 | $85.30 | $260K | 45.2Kdirect | Oct 2, 2026 | Oct 6, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I | Sale | −4,715 | $76.25 | $360K | 6.6Mdirect | Sep 2, 2026 | Sep 3, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I | Sale | −4,591 | $75.65 | $347K | 6.6Mdirect | Sep 2, 2026 | Sep 3, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I | Sale | −18.1K | $75.14 | $1.4M | 6.7Mdirect | Sep 1, 2026 | Sep 3, 2026 | Form 4 ↗ |
| PEELER JOHN RDirector · Director | Purchase | +1,552 | $72.84 | $113K | 19.7Kdirect | Aug 26, 2026 | Aug 27, 2026 | Form 4 ↗ |
| PEELER JOHN RDirector · Director | Purchase | +1,158 | $74.57 | $86K | 20.9Kdirect | Aug 26, 2026 | Aug 27, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −550 | $98.71 | $54K | 6.4Mdirect | Aug 5, 2026 | Aug 6, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −4,324 | $97.81 | $423K | 6.4Mdirect | Aug 5, 2026 | Aug 6, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −1,325 | $96.76 | $128K | 6.4Mdirect | Aug 5, 2026 | Aug 6, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −11.9K | $95.31 | $1.1M | 6.4Mdirect | Aug 5, 2026 | Aug 6, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −12.2K | $95.18 | $1.2M | 6.4Mdirect | Aug 4, 2026 | Aug 6, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −506 | $86.14 | $44K | 6.4Mdirect | Jul 31, 2026 | Aug 4, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −300 | $88.59 | $27K | 6.4Mdirect | Jul 31, 2026 | Aug 4, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −26.0K | $85.76 | $2.2M | 6.4Mdirect | Jul 31, 2026 | Aug 4, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −200 | $87.45 | $17K | 6.4Mdirect | Jul 31, 2026 | Aug 4, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −783 | $85.72 | $67K | 49.0Kdirect | Jul 31, 2026 | Aug 4, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −300 | $87.45 | $26K | 48.5Kdirect | Jul 31, 2026 | Aug 4, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −241 | $88.68 | $21K | 48.2Kdirect | Jul 31, 2026 | Aug 4, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −200 | $86.34 | $17K | 48.8Kdirect | Jul 31, 2026 | Aug 4, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I | Sale | −7,100 | $101.20 | $719K | 6.7Mdirect | Jul 21, 2026 | Jul 22, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I | Sale | −24.3K | $102.04 | $2.5M | 6.7Mdirect | Jul 21, 2026 | Jul 22, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I | Sale | −23.9K | $103.00 | $2.5M | 6.7Mdirect | Jul 21, 2026 | Jul 22, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I | Sale | −1,000 | $100.08 | $100K | 6.7Mdirect | Jul 21, 2026 | Jul 22, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −2,684 | $105.37 | $283K | 6.5Mdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −2,405 | $101.21 | $243K | 6.5Mdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −1,841 | $100.19 | $184K | 6.5Mdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −17.7K | $102.09 | $1.8M | 6.5Mdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −16.4K | $104.33 | $1.7M | 6.5Mdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −13.3K | $103.08 | $1.4M | 6.5Mdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD | Sale | −11.3K | $106.40 | $1.2M | 6.5Mdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| Lopresti Angelo PSVP, Secretary & Gen Counsel | Sale | −1,000 | $110.33 | $110K | 59.8Kdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −973 | $100.43 | $98K | 50.3Kdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −250 | $101.24 | $25K | 50.0Kdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −200 | $106.66 | $21K | 49.7Kdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −100 | $102.92 | $10K | 49.9Kdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · Director | Sale | −1 | $104.63 | $105 | 49.9Kdirect | Jun 29, 2026 | Jul 1, 2026 | Form 4 ↗ |
| Agnes TangDirector | Sale | −200 | $119.32 | $24K | 9,588direct | Jun 22, 2026 | Jun 23, 2026 | Form 4 ↗ |
| Agnes TangDirector | Sale | −536 | $118.08 | $63K | 9,788direct | Jun 22, 2026 | Jun 23, 2026 | Form 4 ↗ |
| Agnes TangDirector | Sale | −775 | $117.32 | $91K | 10.3Kdirect | Jun 22, 2026 | Jun 23, 2026 | Form 4 ↗ |
| Mammen Timothy PVSVP, Chief Financial Officer | Sale | −2,712 | $120.37 | $326K | 76.4Kdirect | May 22, 2026 | May 26, 2026 | Form 4 ↗ |
| Mammen Timothy PVSVP, Chief Financial Officer | Sale | −7,263 | $119.60 | $869K | 79.2Kdirect | May 22, 2026 | May 26, 2026 | Form 4 ↗ |
| Desmond Jeanmarie F.Director | Sale | −1,690 | $105.58 | $178K | 10.5Kdirect | May 14, 2026 | May 15, 2026 | Form 4 ↗ |
| Buttarazzi Mary E.VP, Corp Controller and CAO | Sale | −500 | $116.22 | $58K | 4,749direct | Mar 17, 2026 | Mar 17, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −1,520 | $137.00 | $208K | 6.5Mdirect | Feb 24, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −100 | $135.28 | $14K | 6.5Mdirect | Feb 24, 2026 | Feb 24, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −600 | $139.95 | $84K | 58.5Kdirect | Feb 24, 2026 | Feb 24, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −400 | $138.33 | $55K | 59.1Kdirect | Feb 24, 2026 | Feb 24, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −1,500 | $137.13 | $206K | 59.5Kdirect | Feb 24, 2026 | Feb 24, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −200 | $135.72 | $27K | 61.0Kdirect | Feb 24, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −120 | $134.95 | $16K | 6.5Mdirect | Feb 23, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −16.4K | $134.35 | $2.2M | 6.5Mdirect | Feb 23, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −7,994 | $133.61 | $1.1M | 6.5Mdirect | Feb 23, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −4,604 | $132.31 | $609K | 6.6Mdirect | Feb 23, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −4,241 | $131.41 | $557K | 6.6Mdirect | Feb 23, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −5,484 | $132.94 | $729K | 6.6Mdirect | Feb 20, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −16.4K | $132.21 | $2.2M | 6.6Mdirect | Feb 20, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −4,461 | $131.11 | $585K | 6.6Mdirect | Feb 20, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −2,300 | $129.93 | $299K | 6.6Mdirect | Feb 20, 2026 | Feb 24, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −500 | $128.79 | $64K | 6.6Mdirect | Feb 20, 2026 | Feb 24, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −390 | $149.88 | $58K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −220 | $148.00 | $33K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −410 | $146.21 | $60K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −480 | $144.29 | $69K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −137 | $143.71 | $20K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −376 | $141.97 | $53K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −100 | $140.58 | $14K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −760 | $138.82 | $106K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −790 | $137.79 | $109K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,393 | $136.89 | $191K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,381 | $135.93 | $188K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −125 | $134.12 | $17K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,035 | $133.42 | $538K | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −15.9K | $132.40 | $2.1M | 6.7Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −8,383 | $131.67 | $1.1M | 6.8Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,931 | $130.57 | $644K | 6.8Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −3,931 | $129.56 | $509K | 6.8Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,012 | $128.33 | $643K | 6.8Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,354 | $127.42 | $555K | 6.8Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −6,820 | $126.33 | $862K | 6.8Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −6,590 | $125.40 | $826K | 6.8Mdirect | Feb 17, 2026 | Feb 18, 2026 | Form 4 ↗ |
| Meurice EricDirector | Sale | −750 | $95.00 | $71K | 22.8Kdirect | Feb 2, 2026 | Feb 3, 2026 | Form 4 ↗ |
| Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner | Sale | −1,500 | $85.00 | $128K | 58.4Kdirect | Jan 21, 2026 | Jan 23, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −1,403 | $81.57 | $114K | 59.3Kdirect | Jan 21, 2026 | Jan 21, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −1,204 | $80.37 | $97K | 60.7Kdirect | Jan 21, 2026 | Jan 21, 2026 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −93 | $79.33 | $7K | 61.9Kdirect | Jan 21, 2026 | Jan 21, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −12.1K | $81.65 | $986K | 6.6Mdirect | Jan 21, 2026 | Jan 21, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −1,306 | $80.34 | $105K | 6.6Mdirect | Jan 21, 2026 | Jan 21, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −14.0K | $80.43 | $1.1M | 6.6Mdirect | Jan 20, 2026 | Jan 21, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −7,659 | $78.92 | $604K | 6.6Mdirect | Jan 20, 2026 | Jan 21, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −14.7K | $80.20 | $1.2M | 6.6Mdirect | Jan 16, 2026 | Jan 21, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −14.5K | $79.54 | $1.2M | 6.6Mdirect | Jan 16, 2026 | Jan 21, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −7,381 | $80.16 | $592K | 6.8Mdirect | Jan 15, 2026 | Jan 16, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −571 | $79.38 | $45K | 6.8Mdirect | Jan 15, 2026 | Jan 16, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −700 | $78.55 | $55K | 6.8Mdirect | Jan 14, 2026 | Jan 14, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −13.2K | $77.63 | $1.0M | 6.8Mdirect | Jan 14, 2026 | Jan 14, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −3,667 | $77.19 | $283K | 6.8Mdirect | Jan 14, 2026 | Jan 14, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −6,277 | $77.70 | $488K | 6.8Mdirect | Jan 13, 2026 | Jan 14, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −16.8K | $76.71 | $1.3M | 6.8Mdirect | Jan 13, 2026 | Jan 14, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,928 | $76.69 | $148K | 6.8Mdirect | Jan 12, 2026 | Jan 14, 2026 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −16.1K | $76.20 | $1.2M | 6.8Mdirect | Jan 12, 2026 | Jan 14, 2026 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −2,225 | $75.11 | $167K | 6.7Mdirect | Dec 24, 2025 | Dec 29, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −10.6K | $74.69 | $789K | 6.7Mdirect | Dec 24, 2025 | Dec 29, 2025 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −45 | $74.99 | $3K | 62.0Kdirect | Dec 23, 2025 | Dec 29, 2025 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −2,655 | $74.43 | $198K | 62.1Kdirect | Dec 23, 2025 | Dec 29, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −40 | $75.00 | $3K | 6.7Mdirect | Dec 23, 2025 | Dec 29, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −28.4K | $74.62 | $2.1M | 6.7Mdirect | Dec 23, 2025 | Dec 29, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −7 | $76.69 | $537 | 6.7Mdirect | Dec 22, 2025 | Dec 29, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −6,870 | $75.97 | $522K | 6.7Mdirect | Dec 22, 2025 | Dec 29, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −16.1K | $75.20 | $1.2M | 6.7Mdirect | Dec 22, 2025 | Dec 29, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,412 | $78.22 | $110K | 6.9Mdirect | Dec 16, 2025 | Dec 16, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −12.2K | $77.44 | $942K | 6.9Mdirect | Dec 16, 2025 | Dec 16, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −13.5K | $76.59 | $1.0M | 6.9Mdirect | Dec 16, 2025 | Dec 16, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −39.4K | $77.63 | $3.1M | 6.9Mdirect | Dec 15, 2025 | Dec 16, 2025 | Form 4 ↗ |
| Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner | Sale | −1,500 | $85.07 | $128K | 59.9Kdirect | Dec 9, 2025 | Dec 10, 2025 | Form 4 ↗ |
| Agnes TangDirector | Sale | −100 | $77.25 | $8K | 8,663direct | Nov 25, 2025 | Nov 25, 2025 | Form 4 ↗ |
| Agnes TangDirector | Sale | −1,781 | $76.72 | $137K | 8,763direct | Nov 25, 2025 | Nov 25, 2025 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −1,945 | $76.32 | $148K | 64.7Kdirect | Nov 24, 2025 | Nov 25, 2025 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −755 | $75.30 | $57K | 66.7Kdirect | Nov 24, 2025 | Nov 25, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −12 | $76.98 | $924 | 6.7Mdirect | Nov 24, 2025 | Nov 25, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −30.3K | $76.44 | $2.3M | 6.7Mdirect | Nov 24, 2025 | Nov 25, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −4,642 | $75.83 | $352K | 6.8Mdirect | Nov 24, 2025 | Nov 25, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −1,145 | $74.97 | $86K | 6.8Mdirect | Nov 21, 2025 | Nov 25, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −20.2K | $74.65 | $1.5M | 6.8Mdirect | Nov 21, 2025 | Nov 25, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −7,859 | $73.16 | $575K | 6.8Mdirect | Nov 21, 2025 | Nov 25, 2025 | Form 4 ↗ |
| Ness TrevorSVP, Chief Revenue Officer | Sale | −1,681 | $75.58 | $127K | 37.2Kdirect | Nov 18, 2025 | Nov 19, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −20.8K | $76.45 | $1.6M | 6.9Mdirect | Nov 18, 2025 | Nov 19, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −27.1K | $75.88 | $2.1M | 6.9Mdirect | Nov 18, 2025 | Nov 19, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −3,815 | $79.33 | $303K | 7.0Mdirect | Nov 17, 2025 | Nov 19, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,852 | $78.50 | $381K | 7.0Mdirect | Nov 17, 2025 | Nov 19, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −9,932 | $76.63 | $761K | 7.0Mdirect | Nov 17, 2025 | Nov 19, 2025 | Form 4 ↗ |
| Meurice EricDirector | Sale | −750 | $92.00 | $69K | 22.8Kdirect | Nov 6, 2025 | Nov 7, 2025 | Form 4 ↗ |
| Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner | Sale | −1,500 | $87.13 | $131K | 61.4Kdirect | Oct 27, 2025 | Oct 29, 2025 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −359 | $87.85 | $32K | 67.4Kdirect | Oct 21, 2025 | Oct 21, 2025 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −2,341 | $87.61 | $205K | 67.8Kdirect | Oct 21, 2025 | Oct 21, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −12.5K | $88.05 | $1.1M | 6.8Mdirect | Oct 21, 2025 | Oct 21, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −11.4K | $87.77 | $1.0M | 6.8Mdirect | Oct 21, 2025 | Oct 21, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −1,148 | $88.54 | $102K | 6.8Mdirect | Oct 20, 2025 | Oct 21, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −16.0K | $87.88 | $1.4M | 6.8Mdirect | Oct 20, 2025 | Oct 21, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −6,543 | $87.10 | $570K | 6.8Mdirect | Oct 20, 2025 | Oct 21, 2025 | Form 4 ↗ |
| Ness TrevorSVP, Sales & Strategic Bus Dev | Sale | −65 | $87.83 | $6K | 38.9Kdirect | Oct 20, 2025 | Oct 21, 2025 | Form 4 ↗ |
| Ness TrevorSVP, Sales & Strategic Bus Dev | Sale | −1,263 | $87.22 | $110K | 39.0Kdirect | Oct 20, 2025 | Oct 21, 2025 | Form 4 ↗ |
| Ness TrevorSVP, Sales & Strategic Bus Dev | Sale | −350 | $86.03 | $30K | 40.2Kdirect | Oct 20, 2025 | Oct 21, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −875 | $85.71 | $75K | 6.8Mdirect | Oct 17, 2025 | Oct 21, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −15.7K | $84.62 | $1.3M | 6.8Mdirect | Oct 17, 2025 | Oct 21, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −7,226 | $85.97 | $621K | 7.0Mdirect | Oct 15, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,166 | $84.73 | $438K | 7.0Mdirect | Oct 15, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,315 | $84.24 | $448K | 7.0Mdirect | Oct 15, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −3,436 | $84.00 | $289K | 7.0Mdirect | Oct 14, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −8,430 | $83.22 | $702K | 7.0Mdirect | Oct 14, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −3,002 | $82.19 | $247K | 7.0Mdirect | Oct 14, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,661 | $80.96 | $134K | 7.0Mdirect | Oct 14, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,050 | $83.86 | $88K | 7.0Mdirect | Oct 13, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −29.5K | $83.23 | $2.5M | 7.0Mdirect | Oct 13, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,667 | $82.09 | $137K | 7.1Mdirect | Oct 13, 2025 | Oct 15, 2025 | Form 4 ↗ |
| Meurice EricDirector | Sale | −828 | $90.01 | $75K | 22.8Kdirect | Oct 7, 2025 | Oct 8, 2025 | Form 4 ↗ |
| Meurice EricDirector | Sale | −674 | $89.24 | $60K | 23.6Kdirect | Oct 7, 2025 | Oct 8, 2025 | Form 4 ↗ |
| Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner | Sale | −1,500 | $85.17 | $128K | 62.9Kdirect | Oct 6, 2025 | Oct 6, 2025 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −1,145 | $82.17 | $94K | 70.1Kdirect | Sep 23, 2025 | Sep 24, 2025 | Form 4 ↗ |
| SCHERBAKOV EUGENE ADirector · 10% owner | Sale | −1,555 | $81.54 | $127K | 71.3Kdirect | Sep 23, 2025 | Sep 24, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −26.5K | $82.28 | $2.2M | 6.8Mdirect | Sep 22, 2025 | Sep 22, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −8,530 | $81.53 | $695K | 6.9Mdirect | Sep 22, 2025 | Sep 22, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −20.2K | $81.81 | $1.7M | 6.9Mdirect | Sep 19, 2025 | Sep 22, 2025 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −8,986 | $80.78 | $726K | 6.9Mdirect | Sep 19, 2025 | Sep 22, 2025 | Form 4 ↗ |
| Ness TrevorSVP, Sales & Strategic Bus Dev | Sale | −100 | $83.15 | $8K | 40.6Kdirect | Sep 18, 2025 | Sep 19, 2025 | Form 4 ↗ |
| Ness TrevorSVP, Sales & Strategic Bus Dev | Sale | −1,578 | $82.61 | $130K | 40.7Kdirect | Sep 18, 2025 | Sep 19, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −14.2K | $80.67 | $1.1M | 7.1Mdirect | Sep 16, 2025 | Sep 16, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −14.4K | $81.15 | $1.2M | 7.1Mdirect | Sep 15, 2025 | Sep 16, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −37.9K | $80.54 | $3.1M | 7.1Mdirect | Sep 15, 2025 | Sep 16, 2025 | Form 4 ↗ |
| Ness TrevorSVP, Sales & Strategic Bus Dev | Sale | −674 | $83.31 | $56K | 42.2Kdirect | Aug 27, 2025 | Aug 28, 2025 | Form 4 ↗ |
| Ness TrevorSVP, Sales & Strategic Bus Dev | Sale | −1,004 | $82.69 | $83K | 42.9Kdirect | Aug 27, 2025 | Aug 28, 2025 | Form 4 ↗ |
| Desmond Jeanmarie F.Director | Sale | −1,360 | $76.24 | $104K | 9,740direct | Aug 8, 2025 | Aug 8, 2025 | Form 4 ↗ |
| Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner | Sale | −4,500 | $69.28 | $312K | 64.4Kdirect | Jun 6, 2025 | Jun 9, 2025 | Form 4 ↗ |
| Shcherbakov Eugene ADirector · 10% owner | Sale | −2,680 | $66.28 | $178K | 73.4Kdirect | May 20, 2025 | May 21, 2025 | Form 4 ↗ |
| Shcherbakov Eugene ADirector · 10% owner | Sale | −1,570 | $65.55 | $103K | 76.1Kdirect | May 20, 2025 | May 21, 2025 | Form 4 ↗ |
| Shcherbakov Eugene ADirector · 10% owner | Sale | −4,250 | $65.37 | $278K | 77.7Kdirect | May 19, 2025 | May 21, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,597 | $63.33 | $354K | 7.1Mdirect | Mar 6, 2025 | Mar 7, 2025 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −69.4K | $62.56 | $4.3M | 7.1Mdirect | Mar 6, 2025 | Mar 7, 2025 | Form 4 ↗ |
| Desmond Jeanmarie F.Director | Sale | −985 | $85.20 | $84K | 4,319direct | May 30, 2024 | Jun 3, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale | −788 | $89.30 | $70K | 16.5Kdirect | Apr 29, 2024 | May 1, 2024 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,525 | $86.17 | $218K | 7.2Mdirect | Apr 23, 2024 | Apr 25, 2024 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −6,475 | $85.74 | $555K | 7.2Mdirect | Apr 23, 2024 | Apr 25, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale | −785 | $91.08 | $71K | 16.5Kdirect | Apr 1, 2024 | Apr 3, 2024 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,962 | $90.00 | $177K | 7.2Mdirect | Mar 25, 2024 | Mar 27, 2024 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −8,038 | $89.45 | $719K | 7.2Mdirect | Mar 25, 2024 | Mar 27, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale | −785 | $90.00 | $71K | 16.5Kdirect | Mar 7, 2024 | Mar 8, 2024 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −200 | $86.51 | $17K | 7.2Mdirect | Feb 23, 2024 | Feb 27, 2024 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −9,800 | $85.66 | $839K | 7.2Mdirect | Feb 23, 2024 | Feb 27, 2024 | Form 4 ↗ |
| Shcherbakov Eugene ACEO · Director · 10% owner | Sale | −635 | $86.14 | $55K | 98.6Kdirect | Feb 20, 2024 | Feb 21, 2024 | Form 4 ↗ |
| Shcherbakov Eugene ACEO · Director · 10% owner | Sale | −3,365 | $85.72 | $288K | 99.3Kdirect | Feb 20, 2024 | Feb 21, 2024 | Form 4 ↗ |
| Shcherbakov Eugene ACEO · Director · 10% owner | Sale | −1,639 | $88.44 | $145K | 69.8Kdirect | Feb 16, 2024 | Feb 20, 2024 | Form 4 ↗ |
| Shcherbakov Eugene ACEO · Director · 10% owner | Sale | −2,361 | $87.14 | $206K | 71.4Kdirect | Feb 16, 2024 | Feb 20, 2024 | Form 4 ↗ |
| Shcherbakov Eugene ACEO · Director · 10% owner | Sale | −3,450 | $88.58 | $306K | 69.8Kdirect | Feb 15, 2024 | Feb 20, 2024 | Form 4 ↗ |
| Shcherbakov Eugene ACEO · Director · 10% owner | Sale | −1,550 | $87.88 | $136K | 73.2Kdirect | Feb 15, 2024 | Feb 20, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale | −629 | $100.00 | $63K | 16.5Kdirect | Jan 30, 2024 | Jan 31, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale | −156 | $100.00 | $16K | 16.5Kdirect | Jan 29, 2024 | Jan 31, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale | −657 | $98.36 | $65K | 16.6Kdirect | Jan 29, 2024 | Jan 31, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale | −28 | $110.35 | $3K | 15.7Kdirect | Dec 29, 2023 | Jan 3, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale | −885 | $109.61 | $97K | 15.7Kdirect | Dec 29, 2023 | Jan 3, 2024 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,127 | $100.24 | $113K | 7.2Mdirect | Dec 8, 2023 | Dec 11, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −7,123 | $99.36 | $708K | 7.2Mdirect | Dec 8, 2023 | Dec 11, 2023 | Form 4 ↗ |
| Agnes TangDirector | Sale | −402 | $95.95 | $39K | 3,763direct | Dec 1, 2023 | Dec 5, 2023 | Form 4 ↗ |
| Agnes TangDirector | Sale | −498 | $95.08 | $47K | 4,165direct | Dec 1, 2023 | Dec 5, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −396 | $97.31 | $39K | 15.7Kdirect | Nov 29, 2023 | Dec 1, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −389 | $96.72 | $38K | 16.1Kdirect | Nov 29, 2023 | Dec 1, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −8,250 | $95.34 | $787K | 7.2Mdirect | Nov 24, 2023 | Nov 28, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −332 | $92.84 | $31K | 7.2Mdirect | Nov 8, 2023 | Nov 13, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,866 | $92.01 | $264K | 7.2Mdirect | Nov 8, 2023 | Nov 13, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,052 | $91.47 | $462K | 7.2Mdirect | Nov 8, 2023 | Nov 13, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −785 | $90.00 | $71K | 15.7Kdirect | Nov 3, 2023 | Nov 7, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −3,319 | $92.20 | $306K | 7.3Mdirect | Oct 24, 2023 | Oct 26, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,931 | $91.43 | $451K | 7.3Mdirect | Oct 24, 2023 | Oct 26, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −150 | $96.39 | $14K | 7.3Mdirect | Oct 9, 2023 | Oct 11, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,503 | $95.80 | $527K | 7.3Mdirect | Oct 9, 2023 | Oct 11, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,597 | $95.06 | $247K | 7.3Mdirect | Oct 9, 2023 | Oct 11, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −93 | $102.72 | $10K | 15.7Kdirect | Sep 29, 2023 | Oct 3, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −692 | $101.99 | $71K | 15.8Kdirect | Sep 29, 2023 | Oct 3, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −8,250 | $100.00 | $825K | 7.3Mdirect | Sep 25, 2023 | Sep 27, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,771 | $102.51 | $182K | 7.3Mdirect | Sep 8, 2023 | Sep 12, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −6,479 | $101.71 | $659K | 7.3Mdirect | Sep 8, 2023 | Sep 12, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −262 | $103.88 | $27K | 7.3Mdirect | Aug 24, 2023 | Aug 25, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,383 | $103.24 | $246K | 7.3Mdirect | Aug 24, 2023 | Aug 25, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,605 | $102.30 | $573K | 7.3Mdirect | Aug 24, 2023 | Aug 25, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,052 | $110.03 | $446K | 7.3Mdirect | Aug 8, 2023 | Aug 10, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,198 | $109.47 | $460K | 7.3Mdirect | Aug 8, 2023 | Aug 10, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale Amended | −12 | $132.90 | $2K | 16.5Kdirect | Jul 31, 2023 | Jan 31, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale Amended | −293 | $132.25 | $39K | 16.5Kdirect | Jul 31, 2023 | Jan 31, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale Amended | −480 | $131.27 | $63K | 16.8Kdirect | Jul 31, 2023 | Jan 31, 2024 | Form 4 ↗ |
| Meurice EricDirector | Sale | −12 | $132.90 | $2K | 15.7Kdirect | Jul 31, 2023 | Aug 2, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −293 | $132.25 | $39K | 15.7Kdirect | Jul 31, 2023 | Aug 2, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −480 | $131.27 | $63K | 16.0Kdirect | Jul 31, 2023 | Aug 2, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,652 | $132.44 | $219K | 7.3Mdirect | Jul 24, 2023 | Jul 26, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,174 | $131.50 | $286K | 7.3Mdirect | Jul 24, 2023 | Jul 26, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −619 | $130.63 | $81K | 7.3Mdirect | Jul 24, 2023 | Jul 26, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,181 | $129.50 | $282K | 7.3Mdirect | Jul 24, 2023 | Jul 26, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,624 | $128.36 | $208K | 7.3Mdirect | Jul 24, 2023 | Jul 26, 2023 | Form 4 ↗ |
| Ovtchinnikov AlexanderSVP, Chief Technology Officer · 10% owner | Sale | −1,934 | $140.00 | $271K | 64.0Kdirect | Jul 12, 2023 | Jul 14, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,393 | $134.19 | $321K | 7.3Mdirect | Jul 10, 2023 | Jul 12, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,583 | $133.70 | $746K | 7.3Mdirect | Jul 10, 2023 | Jul 12, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −274 | $132.27 | $36K | 7.3Mdirect | Jul 10, 2023 | Jul 12, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −401 | $133.89 | $54K | 16.5Kdirect | Jun 29, 2023 | Jun 30, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −384 | $133.32 | $51K | 16.9Kdirect | Jun 29, 2023 | Jun 30, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −57 | $133.49 | $8K | 7.3Mdirect | Jun 26, 2023 | Jun 28, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −444 | $132.62 | $59K | 7.3Mdirect | Jun 26, 2023 | Jun 28, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,609 | $131.83 | $608K | 7.3Mdirect | Jun 26, 2023 | Jun 28, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,091 | $130.81 | $274K | 7.3Mdirect | Jun 26, 2023 | Jun 28, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,049 | $129.78 | $136K | 7.3Mdirect | Jun 26, 2023 | Jun 28, 2023 | Form 4 ↗ |
| Ovtchinnikov AlexanderSVP, Chief Technology Officer · 10% owner | Sale | −3,822 | $135.85 | $519K | 65.9Kdirect | Jun 20, 2023 | Jun 22, 2023 | Form 4 ↗ |
| Meurice EricDirector | Sale | −785 | $121.89 | $96K | 16.5Kdirect | Jun 14, 2023 | Jun 16, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −154 | $113.42 | $17K | 7.3Mdirect | Jun 8, 2023 | Jun 9, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,976 | $112.92 | $336K | 7.3Mdirect | Jun 8, 2023 | Jun 9, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,120 | $111.91 | $573K | 7.3Mdirect | Jun 8, 2023 | Jun 9, 2023 | Form 4 ↗ |
| Desmond Jeanmarie F.Director | Sale | −736 | $109.98 | $81K | 5,304direct | May 24, 2023 | May 25, 2023 | Form 4 ↗ |
| Desmond Jeanmarie F.Director | Sale | −444 | $109.24 | $49K | 6,040direct | May 24, 2023 | May 25, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −913 | $112.30 | $103K | 7.3Mdirect | May 24, 2023 | May 25, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −666 | $111.05 | $74K | 7.3Mdirect | May 24, 2023 | May 25, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,676 | $110.17 | $185K | 7.3Mdirect | May 24, 2023 | May 25, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,995 | $109.22 | $546K | 7.3Mdirect | May 24, 2023 | May 25, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −409 | $117.00 | $48K | 7.3Mdirect | May 8, 2023 | May 8, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −7,841 | $115.98 | $909K | 7.3Mdirect | May 8, 2023 | May 8, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,800 | $114.74 | $207K | 7.4Mdirect | Apr 24, 2023 | Apr 26, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −6,450 | $113.96 | $735K | 7.4Mdirect | Apr 24, 2023 | Apr 26, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −7,562 | $115.85 | $876K | 7.4Mdirect | Apr 10, 2023 | Apr 11, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −688 | $114.91 | $79K | 7.4Mdirect | Apr 10, 2023 | Apr 11, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −84 | $116.82 | $10K | 7.4Mdirect | Mar 24, 2023 | Mar 27, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,537 | $116.26 | $295K | 7.4Mdirect | Mar 24, 2023 | Mar 27, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,629 | $115.29 | $649K | 7.4Mdirect | Mar 24, 2023 | Mar 27, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,167 | $122.57 | $633K | 7.4Mdirect | Mar 8, 2023 | Mar 10, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −11.3K | $122.03 | $1.4M | 7.4Mdirect | Mar 8, 2023 | Mar 10, 2023 | Form 4 ↗ |
| Burgomaster Thomas JChief Accounting Officer | Sale | −1,300 | $125.52 | $163K | 8,595direct | Mar 1, 2023 | Mar 3, 2023 | Form 4 ↗ |
| Shcherbakov Eugene ACEO · Director · 10% owner | Sale | −3,000 | $120.00 | $360K | 57.2Kdirect | Feb 14, 2023 | Feb 16, 2023 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,036 | $85.81 | $175K | 7.4Mdirect | Sep 28, 2022 | Sep 30, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,964 | $85.01 | $252K | 7.4Mdirect | Sep 28, 2022 | Sep 30, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,000 | $89.50 | $90K | 7.4Mdirect | Sep 21, 2022 | Sep 23, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,000 | $88.98 | $356K | 7.4Mdirect | Sep 21, 2022 | Sep 23, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −909 | $88.84 | $81K | 7.4Mdirect | Sep 14, 2022 | Sep 16, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −2,791 | $87.93 | $245K | 7.4Mdirect | Sep 14, 2022 | Sep 16, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,300 | $86.48 | $112K | 7.4Mdirect | Sep 14, 2022 | Sep 16, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −3,321 | $88.54 | $294K | 7.4Mdirect | Sep 7, 2022 | Sep 9, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,679 | $87.36 | $147K | 7.4Mdirect | Sep 7, 2022 | Sep 9, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −417 | $91.93 | $38K | 7.4Mdirect | Aug 31, 2022 | Sep 2, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,583 | $91.56 | $420K | 7.4Mdirect | Aug 31, 2022 | Sep 2, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −209 | $96.29 | $20K | 7.4Mdirect | Aug 24, 2022 | Aug 26, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,791 | $95.65 | $458K | 7.4Mdirect | Aug 24, 2022 | Aug 26, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −344 | $101.00 | $35K | 7.4Mdirect | Aug 17, 2022 | Aug 19, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −1,054 | $100.16 | $106K | 7.4Mdirect | Aug 17, 2022 | Aug 19, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −3,602 | $99.21 | $357K | 7.4Mdirect | Aug 17, 2022 | Aug 19, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −5,000 | $101.77 | $509K | 7.4Mdirect | Aug 10, 2022 | Aug 12, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −4,735 | $103.04 | $488K | 7.4Mdirect | Aug 3, 2022 | Aug 5, 2022 | Form 4 ↗ |
| Valentin Gapontsev Trust I10% owner | Sale | −265 | $101.66 | $27K | 7.4Mdirect | Aug 3, 2022 | Aug 5, 2022 | Form 4 ↗ |
| Mammen Timothy PVSVP, Chief Financial Officer | Purchase | +3,000 | $83.54 | $251K | 53.5Kdirect | Jun 16, 2022 | Jun 21, 2022 | Form 4 ↗ |
| Shcherbakov Eugene ACEO · Director · 10% owner | Sale | −1,500 | $152.30 | $228K | 42.3Kdirect | Feb 9, 2022 | Feb 9, 2022 | Form 4 ↗ |
| Pavlova NataliaChief Technology Officer · Director | Sale | −500 | $172.35 | $86K | 1,200indirect | Jan 3, 2022 | Jan 3, 2022 | Form 4 ↗ |
| Pavlova NataliaChief Technology Officer · Director | Sale | −500 | $159.27 | $80K | 1,700indirect | Oct 1, 2021 | Oct 4, 2021 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −4,039 | $171.13 | $691K | 6.9Mdirect | Sep 16, 2021 | Sep 17, 2021 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −6,661 | $170.24 | $1.1M | 6.9Mdirect | Sep 16, 2021 | Sep 17, 2021 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −5,556 | $172.71 | $960K | 6.9Mdirect | Sep 15, 2021 | Sep 17, 2021 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −6,944 | $171.91 | $1.2M | 6.9Mdirect | Sep 15, 2021 | Sep 17, 2021 | Form 4 ↗ |
| IP FIBRE DEVICES LTD10% owner | Sale | −1,800 | $220.06 | $396K | 6.9Mdirect | Aug 2, 2021 | Aug 4, 2021 | Form 4 ↗ |
Source: SEC EDGAR Form 4 and Form 5 filings, SEC's quarterly bulk dataset through Jun 30, 2026, and KeyVex's half-hourly read of new filings since. Every row links its filing. Amendments are marked. Nothing here is a recommendation. All insider activity, market-wide →