Proto Labs Inc
PRLBFigures shown here come from public SEC filings. Dates beside each section show the available history.
How Proto Labs Inc Makes Money
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From revenue to net income
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Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 15 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 4, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| RICE HALL JAMES & ASSOCIATES, LLC | 2026-03-31 | 113,589 | $6.48M | SEC filing |
| ALLIANCEBERNSTEIN L.P. | 2026-03-31 | 20,740 | $1.05M | SEC filing |
| Police & Firemen's Retirement System of New Jersey | 2026-03-31 | 6,624 | $378K | SEC filing |
| BESSEMER GROUP INC | 2026-03-31 | 143 | Not shown | SEC filing |
| DARK FOREST CAPITAL MANAGEMENT LP | 2026-03-31 | 14,248 | $812K | SEC filing |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2026-03-31 | 360,203 | $20.5M | SEC filing |
| PRELUDE CAPITAL MANAGEMENT, LLC | 2026-03-31 | 3,906 | $223K | SEC filing |
| LPL Financial LLC | 2026-03-31 | 3,934 | $224K | SEC filing |
| AMERICAN CAPITAL MANAGEMENT INC | 2026-03-31 | 627,705 | $35.8M | SEC filing |
| GEODE CAPITAL MANAGEMENT, LLC | 2026-03-31 | 580,201 | $33.1M | SEC filing |
| Legal & General Group Plc | 2026-03-31 | 58,401 | $3.33M | SEC filing |
| OREGON PUBLIC EMPLOYEES RETIREMENT FUND | 2026-03-31 | 5,457 | $311K | SEC filing |
| Swiss National Bank | 2026-03-31 | 47,100 | $2.69M | SEC filing |
| NORTHERN TRUST CORP | 2026-03-31 | 266,951 | $15.2M | SEC filing |
| RHUMBLINE ADVISERS | 2026-03-31 | 65,114 | $3.71M | SEC filing |
| MassMutual Private Wealth & Trust, FSB | 2026-03-31 | 9 | $513 | SEC filing |
| Keating Financial Advisory Services, Inc. | 2026-03-31 | 66 | $3.76K | SEC filing |
| AIMZ Investment Advisors, LLC | 2026-03-31 | 38,728 | $2.21M | SEC filing |
| Annis Gardner Whiting Capital Advisors, LLC | 2026-03-31 | 7 | $400 | SEC filing |
| VOYA INVESTMENT MANAGEMENT LLC | 2026-03-31 | 30,139 | $1.72M | SEC filing |
- Each value is checked against Proto Labs Inc's share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 1 row: the filed value is about 1,000 times too small for the share count at Proto Labs Inc's share price.
120 filers have only one report here.
Independent insiders buying near the same time
- 2025-08-04–2025-08-05: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2021-12-01–2021-12-03: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-02 | WEHRWEIN SVEN · Director | Common Stock | S — Open market or private sale | −500 | 78.38 | SEC filing |
| 2026-06-02 | WEHRWEIN SVEN · Director | Common Stock | S — Open market or private sale | −1,500 | 76.91 | SEC filing |
| 2026-05-12 | Kenison Michael R. · Chief Operations Officer | Common Stock | S — Open market or private sale | −3,576 | 69.78 | SEC filing |
| 2026-05-12 | Kenison Michael R. · Chief Operations Officer | Common Stock | S — Open market or private sale | −1,613 | 67.58 | SEC filing |
| 2026-05-12 | Kenison Michael R. · Chief Operations Officer | Common Stock | S — Open market or private sale | −6,643 | 70.30 | SEC filing |
| 2026-05-12 | Kenison Michael R. · Chief Operations Officer | Common Stock | S — Open market or private sale | −4,198 | 68.70 | SEC filing |
| 2026-05-11 | Kenison Michael R. · Chief Operations Officer | Common Stock | S — Open market or private sale | −7,433 | 70.26 | SEC filing |
| 2026-05-07 | Kenison Michael R. · Chief Operations Officer | Common Stock | S — Open market or private sale | −200 | 70.00 | SEC filing |
Showing 8 of 15 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-05-23 | Krishna Suresh · President and CEO | Common Stock | F — Payment of exercise price or tax by delivering securities | −1,247 | SEC filing |
| 2026-05-20 | Parlange Bernardo · Chief Commercial Officer | Employee Stock Option (right to buy) | A — Grant, award, or other acquisition | +3,789 | SEC filing |
| 2026-05-20 | Parlange Bernardo · Chief Commercial Officer | Common Stock | A — Grant, award, or other acquisition | +2,109 | SEC filing |
| 2026-05-20 | Schumacher Daniel · Chief Financial Officer | Common Stock | F — Payment of exercise price or tax by delivering securities | −255 | SEC filing |
| 2026-05-19 | Chand Sujeet · Director | Common Stock | A — Grant, award, or other acquisition | +2,210 | SEC filing |
| 2026-05-19 | Gawlick Rainer · Director | Common Stock | A — Grant, award, or other acquisition | +2,210 | SEC filing |
| 2026-05-19 | Chin Moonhie · Director | Common Stock | A — Grant, award, or other acquisition | +2,210 | SEC filing |
| 2026-05-19 | KRANTZ DONALD G · Director | Common Stock | A — Grant, award, or other acquisition | +2,210 | SEC filing |
Showing 8 of 30 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.