Proto Labs Inc
PRLB- Exchange
- NYSE
- Industry
- Fabricated Structural Metal Products
- SEC CIK
- 0001443669
Insider trades, last 90 days
0 buys · 2 sells
- Sold $902.64K
- Open-market purchases (P) and sales (S), counted by Form 4 filing.
13F holders, Q2 2026
277
- +14 vs. Q1 2026
- Total value $1.83B
Superinvestors holding PRLB
1
- At the end of Q2 2026
Price chart
Latest insider trades
View all: Latest insider tradesOpen-market purchases and sales by PRLB insiders, newest first.
| Filed (ET) | Trade date | Insider | Transaction | Shares | Avg price | Value | Shares after | Holding change | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Sep 25, 20264:11 PM ET | Sep 24, 2026 | Schumacher DanielChief Financial Officer | SSaleCommon Stock | −5K | $95.3209 | −$476.6K | 35.02K | −12.5% | SEC10b5-1 |
| Sep 18, 20264:02 PM ET | Sep 16 – Sep 17, 2026 | Schumacher DanielChief Financial Officer | SSaleCommon Stock | −5K | $85.2071 | −$426.04K | 40.02K | −11.1% | SEC10b5-1 |
| Jun 4, 2026 | Jun 2, 2026 | WEHRWEIN SVENDirector | SSaleCommon Stock | −2K | $77.2775 | −$154.56K | 32.51K | −5.8% | SEC |
| May 13, 2026 | May 11 – May 12, 2026 | Kenison Michael R.Chief Operations Officer | SSaleCommon Stock | −23.46K | $69.7348 | −$1.64M | 18.68K | −55.7% | SEC10b5-1 |
| May 8, 2026 | May 7, 2026 | Kenison Michael R.Chief Operations Officer | SSaleCommon Stock | −200 | $70.00 | −$14K | 27.19K | −0.7% | SEC10b5-1 |
Top 5 13F holders, Q2 2026
View all: Top 5 13F holders, Q2 2026The largest institutional positions in PRLB at the end of Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,896,222 | $317.58M | 0.00% | +218,347+5.9% | Added |
| DISCIPLINED GROWTH INVESTORS INC /MN | 2,380,514 | $194.04M | 3.29% | −116,841−4.7% | Reduced |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,599,765 | $130.4M | 0.01% | +61,235+4.0% | Added |
| DIMENSIONAL FUND ADVISORS LP | 1,152,305 | $93.92M | 0.02% | −120,051−9.4% | Reduced |
| STATE STREET CORP | 1,138,462 | $92.8M | 0.00% | +46,462+4.3% | Added |