Insider Trading › PRAX › Insiders
Praxis Precision Medicines, Inc.
PRAX·Nasdaq·
United States·Insider activity
United States·Insider activity$280.14
-3.42 (-1.21%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
PRAX
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
PRAXS&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, PRAX insiders filed 0 purchases ($0) and 12 sales ($3.6M) on the open market, by 1 insider. Newest filing Jun 26, 2026 (3 months ago).
Net Insider Buying by Quarter
Shares bought (+) or sold (−) on the open market by PRAX insiders · Form 4 · last two years
On Record
$0Purchases · 180 days
$3.6MSales · 180 days
57Open-market transactions on record
1Insiders filing · 180 days
Purchases (code P) and sales (code S) of PRAX 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
57 on record · newest trade first
AllPurchasesSalesOfficers & directors
| Insider | Type | Shares | Price | Value | Held after | Traded | Filed | |
|---|---|---|---|---|---|---|---|---|
| DeSimone JillDirector | Sale | −837 | $315.71 | $264K | 2,337direct | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −1,279 | $314.90 | $403K | 3,174direct | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −504 | $313.66 | $158K | 4,453direct | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −1,004 | $312.83 | $314K | 4,957direct | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −2,854 | $311.91 | $890K | 5,961direct | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −1,750 | $310.89 | $544K | 8,815direct | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −999 | $309.38 | $309K | 10.6Kdirect | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −1,240 | $308.24 | $382K | 11.6Kdirect | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −683 | $306.77 | $210K | 12.8Kdirect | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −320 | $305.31 | $98K | 13.5Kdirect | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −120 | $303.13 | $36K | 13.8Kdirect | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| DeSimone JillDirector | Sale | −10 | $301.44 | $3K | 13.9Kdirect | Jun 24, 2026 | Jun 26, 2026 | Form 4 ↗ |
| Nemiroff AlexGeneral Counsel and Secretary | Sale | −9,100 | $194.30 | $1.8M | 20.8Kdirect | Nov 20, 2025 | Nov 21, 2025 | Form 4 ↗ |
| Nemiroff AlexGeneral Counsel and Secretary | Sale | −977 | $193.23 | $189K | 29.9Kdirect | Nov 20, 2025 | Nov 21, 2025 | Form 4 ↗ |
| Nemiroff AlexGeneral Counsel and Secretary | Sale | −13.3K | $192.53 | $2.6M | 30.9Kdirect | Nov 20, 2025 | Nov 21, 2025 | Form 4 ↗ |
| Nemiroff AlexGeneral Counsel and Secretary | Sale | −1,714 | $190.86 | $327K | 44.2Kdirect | Nov 20, 2025 | Nov 21, 2025 | Form 4 ↗ |
| Mastrocola LaurenPrincipal Accounting Officer | Sale | −2,145 | $192.71 | $413K | 10.4Kdirect | Nov 20, 2025 | Nov 21, 2025 | Form 4 ↗ |
| Mastrocola LaurenPrincipal Accounting Officer | Sale | −11.5K | $191.96 | $2.2M | 12.6Kdirect | Nov 20, 2025 | Nov 21, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +19.2K | n/c | — | 2.1Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +308 | n/c | — | 2.1Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +487 | n/c | — | 2.1Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +1,661 | n/c | — | 2.1Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +250.0K | n/c | — | 2.1Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +27.3K | n/c | — | 2.3Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +559 | n/c | — | 2.4Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +1,363 | n/c | — | 2.4Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +447 | n/c | — | 2.4Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Gross Phillip10% owner | Sale | +12.6K | n/c | — | 2.4Mindirect | Oct 16, 2025 | Oct 17, 2025 | Form 4 ↗ |
| Nemiroff AlexGeneral Counsel and Secretary | Sale | −8,239 | $80.20 | $661K | 10.3Kdirect | Nov 14, 2024 | Nov 15, 2024 | Form 4 ↗ |
| Mastrocola LaurenPrincipal Accounting Officer | Sale | −5,188 | $81.78 | $424K | 5,613direct | Nov 14, 2024 | Nov 15, 2024 | Form 4 ↗ |
| DeSimone JillDirector | Purchase | +14.5K | $1.75 | $25K | 14.5Kdirect | Oct 5, 2023 | Oct 10, 2023 | Form 4 ↗ |
| Souza MarcioChief Executive Officer · Director | Purchase | +10.0K | $1.06 | $11K | 45.0Kindirect | Jun 27, 2023 | Jun 27, 2023 | Form 4 ↗ |
| Kelly Timothy EdwinChief Financial Officer | Purchase Amended | +8,000 | $0.87 | $7K | 46.4Kdirect | Mar 24, 2023 | Apr 6, 2023 | Form 4 ↗ |
| MITCHELL DEAN JDirector | Purchase | +50.0K | $0.84 | $42K | 75.0Kdirect | Mar 24, 2023 | Mar 27, 2023 | Form 4 ↗ |
| Kelly Timothy EdwinChief Financial Officer | Purchase | −8,000 | $0.87 | $7K | 46.4Kdirect | Mar 24, 2023 | Mar 27, 2023 | Form 4 ↗ |
| Souza MarcioChief Executive Officer · Director | Purchase | +35.0K | $0.86 | $30K | 35.0Kindirect | Mar 23, 2023 | Mar 27, 2023 | Form 4 ↗ |
| Souza MarcioChief Executive Officer · Director | Purchase | +35.0K | $0.86 | $30K | 226.3Kdirect | Mar 23, 2023 | Mar 27, 2023 | Form 4 ↗ |
| Mastrocola LaurenPrincipal Accounting Officer | Purchase | +3,000 | $1.93 | $6K | 31.4Kdirect | Jun 16, 2022 | Jun 21, 2022 | Form 4 ↗ |
| Nemiroff AlexGeneral Counsel and Secretary | Purchase | +7,500 | $1.63 | $12K | 39.3Kdirect | Jun 13, 2022 | Jun 14, 2022 | Form 4 ↗ |
| Kelly Timothy EdwinChief Financial Officer | Purchase | +10.0K | $1.77 | $18K | 40.5Kdirect | Jun 9, 2022 | Jun 13, 2022 | Form 4 ↗ |
| Souza MarcioChief Executive Officer · Director | Purchase | +27.0K | $1.85 | $50K | 189.2Kdirect | Jun 8, 2022 | Jun 9, 2022 | Form 4 ↗ |
| MITCHELL DEAN JDirector | Purchase | +25.0K | $1.81 | $45K | 25.0Kdirect | Jun 8, 2022 | Jun 9, 2022 | Form 4 ↗ |
| BSOF Parallel Master Fund L.P.10% owner | Sale | −400.0K | $17.50 | $7.0M | 0indirect | Oct 6, 2021 | Oct 8, 2021 | Form 4 ↗ |
| Blackstone Inc10% owner | Sale | −23.9K | $19.15 | $459K | 400.0Kindirect | Oct 5, 2021 | Oct 5, 2021 | Form 4 ↗ |
| Blackstone Inc10% owner | Sale | −22.6K | $19.13 | $432K | 423.9Kindirect | Oct 1, 2021 | Oct 5, 2021 | Form 4 ↗ |
| Kelly Timothy EdwinChief Financial Officer | Purchase | +3,905 | $19.48 | $76K | 3,905direct | Aug 31, 2021 | Sep 2, 2021 | Form 4 ↗ |
| Blackstone Holdings I L.P.10% owner | Sale | −771 | $20.04 | $15K | 446.5Kindirect | Aug 23, 2021 | Aug 25, 2021 | Form 4 ↗ |
| Blackstone Holdings I L.P.10% owner | Sale | −351.6K | $19.00 | $6.7M | 447.3Kindirect | Aug 23, 2021 | Aug 25, 2021 | Form 4 ↗ |
| Blackstone Strategic Opportunity Associates L.L.C.10% owner | Sale | −3,000 | $15.88 | $48K | 798.9Kindirect | Aug 18, 2021 | Aug 20, 2021 | Form 4 ↗ |
| Souza MarcioChief Executive Officer · Director | Purchase | +9,542 | $15.79 | $151K | 86.8Kdirect | Aug 18, 2021 | Aug 19, 2021 | Form 4 ↗ |
| SCHWARZMAN STEPHEN A10% owner | Sale | −10.1K | $13.92 | $140K | 801.9Kindirect | Aug 12, 2021 | Aug 13, 2021 | Form 4 ↗ |
| SCHWARZMAN STEPHEN A10% owner | Sale | −17.2K | $15.03 | $259K | 812.0Kindirect | Aug 11, 2021 | Aug 13, 2021 | Form 4 ↗ |
| Blackstone Holdings I L.P.10% owner | Sale | −22.3K | $14.99 | $334K | 829.2Kindirect | Aug 3, 2021 | Aug 5, 2021 | Form 4 ↗ |
| Blackstone Group Management L.L.C.10% owner | Sale | −40.0K | $15.78 | $631K | 851.5Kindirect | Aug 2, 2021 | Aug 3, 2021 | Form 4 ↗ |
| Blackstone Group Management L.L.C.10% owner | Sale | −15.9K | $15.68 | $249K | 891.5Kindirect | Jul 30, 2021 | Aug 3, 2021 | Form 4 ↗ |
| Souza MarcioChief Executive Officer · Director | Purchase | +3,846 | $26.08 | $100K | 24.4Kdirect | Nov 10, 2020 | Nov 10, 2020 | Form 4 ↗ |
| Vitorovic StefanDirector | Purchase Amended | +250.0K | n/c | — | 2.9Mindirect | Oct 20, 2020 | Feb 16, 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 →