Stocks › PRLB
Proto Labs Inc
PRLB·NYSE·
United States·USD
United States·USD$97.28
-1.40 (-1.42%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
PRLB
Proto Labs Inc · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
PRLBS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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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
Congressional Trades
Recent trades of PRLB by members of U.S. Congress · 12 on record
Whale Activity
Position changes in PRLB reported for 2026-06-30 by 10 tracked institutional filers
- Increased7
- New0
- Held0
- Decreased2
- Closed1
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 3.9M | $317.6M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.6M | $130.4M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $86.0M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 469.3K | $38.2M | decreased |
| D. E. Shaw & Co., Inc. | 211.4K | $17.2M | decreased |
| MILLENNIUM MANAGEMENT LLC | 93.0K | $7.6M | increased |
| CITADEL ADVISORS LLC | 88.6K | $7.2M | increased |
| Point72 Asset Management, L.P. | 37.0K | $3.0M | increased |
| TWO SIGMA INVESTMENTS, LP | 12.7K | $1.0M | increased |
| Bridgewater Associates | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by PRLB insiders, by quarter · Form 4
Recent Insider Transactions
756 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Schumacher DanielChief Financial Officer | Sale | −5,000 | $95.32 | $477K | Sep 24, 2026 | Form 4 ↗ |
| Schumacher DanielChief Financial Officer | Sale | −4,900 | $85.21 | $418K | Sep 17, 2026 | Form 4 ↗ |
| Schumacher DanielChief Financial Officer | Sale | −100 | $85.00 | $9K | Sep 16, 2026 | Form 4 ↗ |
| WEHRWEIN SVENDirector | Sale | −500 | $78.38 | $39K | Jun 2, 2026 | Form 4 ↗ |
| WEHRWEIN SVENDirector | Sale | −1,500 | $76.91 | $115K | Jun 2, 2026 | Form 4 ↗ |
| Krishna SureshPresident and CEO · Director | Tax withholding | −1,247 | $71.36 | $89K | May 23, 2026 | Form 4 ↗ |
| Schumacher DanielChief Financial Officer | Tax withholding | −255 | $71.13 | $18K | May 20, 2026 | Form 4 ↗ |
| Parlange BernardoChief Commercial Officer | Grant / award | +2,109 | $0.00 | $0 | May 20, 2026 | Form 4 ↗ |
| Black Archie C.Director | Grant / award | +2,210 | $0.00 | $0 | May 19, 2026 | Form 4 ↗ |
| Chand SujeetDirector | Grant / award | +2,210 | $0.00 | $0 | May 19, 2026 | Form 4 ↗ |
| Chin MoonhieDirector | Grant / award | +2,210 | $0.00 | $0 | May 19, 2026 | Form 4 ↗ |
| Gawlick RainerDirector | Grant / award | +2,210 | $0.00 | $0 | May 19, 2026 | Form 4 ↗ |
| WEHRWEIN SVENDirector | Grant / award | +2,210 | $0.00 | $0 | May 19, 2026 | Form 4 ↗ |
| KRANTZ DONALD GDirector | Grant / award | +2,210 | $0.00 | $0 | May 19, 2026 | Form 4 ↗ |
| Kenison Michael R.Chief Operations Officer | Sale | −6,643 | $70.30 | $467K | May 12, 2026 | Form 4 ↗ |
| Kenison Michael R.Chief Operations Officer | Sale | −3,576 | $69.78 | $250K | May 12, 2026 | Form 4 ↗ |
| Kenison Michael R.Chief Operations Officer | Sale | −4,198 | $68.70 | $288K | May 12, 2026 | Form 4 ↗ |
| Kenison Michael R.Chief Operations Officer | Sale | −1,613 | $67.58 | $109K | May 12, 2026 | Form 4 ↗ |
| Kenison Michael R.Chief Operations Officer | Option exercise | +4,042 | $59.40 | $240K | May 12, 2026 | Form 4 ↗ |
| Kenison Michael R.Chief Operations Officer | Option exercise | +1,557 | $39.61 | $62K | May 12, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding PRLB · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF iShares Trust | 1.4M | $116.9M | 0.10% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 756.9K | $61.7M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 629.4K | $51.3M | 0.06% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 545.2K | $44.4M | 0.02% | Jun 30, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 345.7K | $28.2M | 0.04% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 273.0K | $22.3M | 0.02% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 263.8K | $19.8M | 0.06% | Jul 31, 2026 |
| iShares Russell 2000 Value ETF iShares Trust | 225.9K | $18.4M | 0.13% | Jun 30, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF SPDR SERIES TRUST | 218.7K | $17.8M | 0.11% | Jun 30, 2026 |
| iShares S&P Small-Cap 600 Growth ETF iShares Trust | 213.8K | $17.4M | 0.21% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list PRLB's shares (CUSIP 743713109), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming Proto Labs Inc as client
No lobbying filings found naming Proto Labs Inc as the client.
Government Contracts
Federal awards to Proto Labs Inc · USAspending
No federal contract awards found for Proto Labs Inc.
U.S. Patents
Recent USPTO applications naming Proto Labs Inc
No USPTO patent applications found for Proto Labs Inc.
Annual Financials
From PRLB's 10-K filings · XBRL
No annual XBRL figures on record for PRLB. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in PRLB's price history.
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 7.01, 9.01Reg FD disclosureAug 24, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsJul 31, 2026
EDGAR ↗ - 8-K · Items 5.02, 5.07, 9.01Officer / director change · Shareholder voteMay 20, 2026
EDGAR ↗ - 8-K · Items 5.02, 7.01, 9.01Officer / director change · Reg FD disclosureMay 7, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsMay 1, 2026
EDGAR ↗
About Proto Labs Inc
From SEC EDGAR company records
Industry (SIC 3440)Fabricated Structural Metal Products
SectorIndustrials
HeadquartersMaple Plain, MN
IncorporatedMN
SEC CIK0001443669 ↗