Quick Takeaways
- PRLB - Proto Labs Inc has 16 insiders with reported activity on this page.
- Net insider value flow over the last year: -$485,086.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 16 Insiders of Proto Labs Inc
- Symbol
- PRLB on NYSE
- Location
- Maple Plain, MN
What Changed
- Buy value: $150,159; sell value: $635,245.
- Net share flow: -7,108.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$485,086.
Buys
$150,159
Shares: 3,440
Insiders: 2
Sells
$635,246
Shares: 10,548
Insiders: 1
Net
-$485,086
Shares: -7,108
Insiders: 1
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 7,500 | $0 | $482,315 | -$482,315 |
| 3-6 | 0 | 3,048 | $0 | $152,931 | -$152,931 |
| 6-9 | 3,440 | 0 | $150,159 | $0 | +$150,159 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Proto Labs Inc executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Robert Bodor | President and CEO | $4,889,312 | Mixed | 25 Feb 2025 | ||
| Daniel Schumacher | Chief Financial Officer | $2,835,510 | Mixed | 25 Feb 2026 | ||
| Rainer Gawlick | Director | $1,921,759 | +$75,105 | +4.1% | Filing P/S | 05 Aug 2025 |
| Michael R. Kenison | Chief Operations Officer | $1,702,659 | -$635,246 | -27% | Mixed | 25 Feb 2026 |
| Suresh Krishna | President and CEO, Director | $1,647,557 | +$75,055 | +4.8% | Mixed | 25 Feb 2026 |
| Oleg Ryaboy | Chief Technology Officer | $1,589,784 | Mixed | 25 Feb 2025 | ||
| Sven Wehrwein | Director | $1,142,920 | Mixed | 23 May 2025 | ||
| Arthur R. Baker III | Chief Technology Officer | $1,142,535 | Mixed | 15 Feb 2022 | ||
| Archie C. Black | Director | $927,855 | Mixed | 23 May 2025 | ||
| Donald G. Krantz | Director | $872,469 | Mixed | 23 May 2025 | ||
| Sujeet Chand | Director | $872,469 | Mixed | 23 May 2025 | ||
| Bjoern Klaas | VP and Mng Director-PL Europe | $772,502 | Mixed | 13 Feb 2024 | ||
| Moonhie Chin | Director | $711,197 | Mixed | 23 May 2025 | ||
| Stacy Greiner | Director | $695,201 | Mixed | 23 May 2025 | ||
| John B. Goodman | Director | $456,470 | Mixed | 18 May 2021 | ||
| Marc Kermisch | Chief Technology & AI Officer | $341,802 | Mixed | 25 Feb 2026 |
Top shareholders of Proto Labs Inc (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
15%
from 13D/G
|
3,619,004
|
$183,085,413 | — | 31 Dec 2025 | |
| DISCIPLINED GROWTH INVESTORS INC /MN |
13D/G
13F
|
Company |
11%
|
2,673,729
|
$146,867,934 | +$4,468,885 | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
11%
|
2,666,227
|
$134,884,424 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
|
Company |
5.3%
from 13D/G
|
1,276,561
|
$64,583,030 | — | 31 Dec 2025 | |
| Rubric Capital Management LP |
13F
|
Company |
4.7%
|
1,123,338
|
$56,829,669 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
4.6%
|
1,088,206
|
$55,052,342 | — | 31 Dec 2025 | |
| AMERICAN CAPITAL MANAGEMENT INC |
13F
|
Company |
2.7%
|
631,311
|
$31,938,023 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
558,300
|
$28,249,952 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
2.1%
|
493,551
|
$24,968,745 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
1.9%
|
460,618
|
$23,302,665 | — | 31 Dec 2025 | |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.6%
|
382,155
|
$19,333,221 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.5%
|
363,013
|
$18,364,828 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
1.4%
|
325,750
|
$16,479,692 | — | 31 Dec 2025 | |
| S Squared Technology, LLC |
13F
|
Company |
1.3%
|
306,103
|
$15,485,751 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.3%
|
305,612
|
$15,461,002 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.1%
|
256,268
|
$12,964,598 | — | 31 Dec 2025 | |
| NORDEA INVESTMENT MANAGEMENT AB |
13F
|
Company |
0.95%
|
224,439
|
$11,504,744 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.9%
|
212,868
|
$10,768,992 | — | 31 Dec 2025 | |
| JUPITER ASSET MANAGEMENT LTD |
13F
|
Company |
0.82%
|
194,832
|
$9,856,551 | — | 31 Dec 2025 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.77%
|
182,826
|
$9,249,167 | — | 31 Dec 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.74%
|
175,585
|
$8,882,845 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.74%
|
175,416
|
$8,874,296 | — | 31 Dec 2025 | |
| Hillsdale Investment Management Inc. |
13F
|
Company |
0.71%
|
168,284
|
$8,513,487 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.68%
|
160,604
|
$8,124,956 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.6%
|
142,995
|
$7,234,102 | — | 31 Dec 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.58%
|
136,670
|
$6,914,136 | — | 31 Dec 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.55%
|
130,767
|
$6,615,503 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.52%
|
122,100
|
$6,177,015 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.5%
|
118,635
|
$6,001,746 | — | 31 Dec 2025 | |
| RICE HALL JAMES & ASSOCIATES, LLC |
13F
|
Company |
0.48%
|
114,563
|
$5,795,742 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.48%
|
113,876
|
$5,760,987 | — | 31 Dec 2025 | |
| GAGNON SECURITIES LLC |
13F
|
Company |
0.47%
|
111,548
|
$5,643,213 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.47%
|
110,595
|
$5,595,000 | — | 31 Dec 2025 | |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
|
Company |
0.47%
|
110,351
|
$5,582,657 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.46%
|
107,698
|
$5,448,441 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.45%
|
105,929
|
$5,358,948 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.43%
|
101,532
|
$5,136,504 | — | 31 Dec 2025 | |
| Robert Bodor |
3/4/5
|
President and CEO |
—
mixed-class rows
|
142,565
mixed-class rows
|
$4,889,312 | — | 25 Feb 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.39%
|
93,329
|
$4,721,515 | — | 31 Dec 2025 | |
| Polar Asset Management Partners Inc. |
13F
|
Company |
0.35%
|
83,402
|
$4,219,307 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.33%
|
79,145
|
$4,003,946 | — | 31 Dec 2025 | |
| LAZARD ASSET MANAGEMENT LLC |
13F
|
Company |
0.32%
|
75,574
|
$3,823,289 | — | 31 Dec 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.27%
|
64,715
|
$3,273,914 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.27%
|
64,643
|
$3,270,290 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.27%
|
63,927
|
$3,234,067 | — | 31 Dec 2025 | |
| ARK Investment Management LLC |
13F
|
Company |
0.24%
|
56,744
|
$2,870,679 | — | 31 Dec 2025 | |
| Daniel Schumacher |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
50,879
mixed-class rows
|
$2,835,510 | — | 25 Feb 2026 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.22%
|
51,260
|
$2,593,243 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.21%
|
48,717
|
$2,464,491 | — | 31 Dec 2025 | |
| Swiss National Bank |
13F
|
Company |
0.2%
|
47,100
|
$2,382,789 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for Proto Labs Inc
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Suresh Krishna | PRLB | Common Stock | Award | 74.2% | 13,373 | 31,394 | 25 Feb 2026 | Direct | ||
| Suresh Krishna | PRLB | Employee Stock Option (right to buy) | Award | 24,383 | 24,383 | 25 Feb 2026 | Direct | |||
| Daniel Schumacher | PRLB | Common Stock | Tax liability | -1.1% | -504 | 45,274 | 25 Feb 2026 | Direct | ||
| Daniel Schumacher | PRLB | Common Stock | Award | 7.2% | 3,074 | 45,778 | 25 Feb 2026 | Direct | ||
| Daniel Schumacher | PRLB | Employee Stock Option (right to buy) | Award | 5,605 | 5,605 | 25 Feb 2026 | Direct | |||
| Michael R. Kenison | PRLB | Common Stock | Tax liability | -1.92% | -531 | 27,186 | 25 Feb 2026 | Direct | ||
| Michael R. Kenison | PRLB | Common Stock | Award | 9.54% | 2,415 | 27,717 | 25 Feb 2026 | Direct | ||
| Michael R. Kenison | PRLB | Employee Stock Option (right to buy) | Award | 4,404 | 4,404 | 25 Feb 2026 | Direct | |||
| Marc Kermisch | PRLB | Common Stock | Award | 75.2% | 2,795 | 6,513 | 25 Feb 2026 | Direct | ||
| Marc Kermisch | PRLB | Employee Stock Option (right to buy) | Award | 5,095 | 5,095 | 25 Feb 2026 | Direct | |||
| Michael R. Kenison | PRLB | Common Stock | Sale | -16.5% | $332,315 | $66.46 | -5,000 | 25,302 | 17 Feb 2026 | Direct |
| Daniel Schumacher | PRLB | Common Stock | Tax liability | -2.88% | -1,267 | 42,704 | 13 Feb 2026 | Direct | ||
| Michael R. Kenison | PRLB | Common Stock | Tax liability | -4.84% | -1,540 | 30,302 | 13 Feb 2026 | Direct | ||
| Daniel Schumacher | PRLB | Common Stock | Options Exercise | 7.68% | 3,135 | 43,971 | 11 Feb 2026 | Direct | ||
| Daniel Schumacher | PRLB | Employee Stock Option (right to buy) | Options Exercise | -100% | -3,135 | 0 | 11 Feb 2026 | Direct | ||
| Michael R. Kenison | PRLB | Common Stock | Tax liability | -7.77% | -2,684 | 31,842 | 10 Feb 2026 | Direct | ||
| Daniel Schumacher | PRLB | Common Stock | Tax liability | -14.3% | -6,809 | 40,836 | 10 Feb 2026 | Direct | ||
| Michael R. Kenison | PRLB | Common Stock | Sale | -6.75% | $150,000 | $60.00 | -2,500 | 34,526 | 06 Feb 2026 | Direct |
| Michael R. Kenison | PRLB | Common Stock | Award | 28.1% | 8,128 | 37,026 | 29 Jan 2026 | Direct | ||
| Daniel Schumacher | PRLB | Common Stock | Award | 76.7% | 20,686 | 47,645 | 29 Jan 2026 | Direct | ||
| Michael R. Kenison | PRLB | Common Stock | Sale | -9.54% | $152,931 | $50.17 | -3,048 | 28,898 | 25 Nov 2025 | Direct |
| Michael R. Kenison | PRLB | Common Stock | Options Exercise | 10.6% | 3,048 | 31,946 | 25 Nov 2025 | Direct | ||
| Michael R. Kenison | PRLB | Employee Stock Option (right to buy) | Options Exercise | -100% | -3,048 | 0 | 25 Nov 2025 | Direct | ||
| Marc Kermisch | PRLB | Common Stock | Award | 3,718 | 3,718 | 17 Nov 2025 | Direct | |||
| Marc Kermisch | PRLB | Employee Stock Option (right to buy) | Award | 6,818 | 6,818 | 17 Nov 2025 | Direct | |||
| Rainer Gawlick | PRLB | Common Stock | Purchase | 4.07% | $75,105 | $43.79 | 1,715 | 43,883 | 05 Aug 2025 | Direct |
| Suresh Krishna | PRLB | Common Stock | Purchase | 10.6% | $75,055 | $43.51 | 1,725 | 18,021 | 04 Aug 2025 | Direct |
| Archie C. Black | PRLB | Common Stock | Award | 17.7% | 3,939 | 26,218 | 23 May 2025 | Direct | ||
| Rainer Gawlick | PRLB | Common Stock | Award | 10.3% | 3,939 | 42,168 | 23 May 2025 | Direct | ||
| Moonhie Chin | PRLB | Common Stock | Award | 24.4% | 3,939 | 20,096 | 23 May 2025 | Direct | ||
| Sujeet Chand | PRLB | Common Stock | Award | 19% | 3,939 | 24,653 | 23 May 2025 | Direct | ||
| Stacy Greiner | PRLB | Common Stock | Award | 25.1% | 3,939 | 19,644 | 23 May 2025 | Direct | ||
| Sven Wehrwein | PRLB | Common Stock | Award | 13.9% | 3,939 | 32,295 | 23 May 2025 | Direct | ||
| Donald G. Krantz | PRLB | Common Stock | Award | 19% | 3,939 | 24,653 | 23 May 2025 | Direct | ||
| Suresh Krishna | PRLB | Common Stock | Award | 16,296 | 16,296 | 23 May 2025 | Direct | |||
| Suresh Krishna | PRLB | Employee Stock Option (right to buy) | Award | 29,522 | 29,522 | 23 May 2025 | Direct | |||
| Daniel Schumacher | PRLB | Common Stock | Tax liability | -1.12% | -305 | 26,959 | 20 May 2025 | Direct | ||
| Michael R. Kenison | PRLB | Common Stock | Tax liability | -0.7% | -204 | 28,841 | 20 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.