Comparable stake leader
BlackRock, Inc.
SEC ownership of Proto Labs Inc
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001443669.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- PRLB on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001443669
- Issuer location
- Maple Plain, MN
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Proto Labs Inc (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 15%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 15%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
15%
DISCIPLINED GROWTH INVESTORS INC /MN
10%
VANGUARD PORTFOLIO MANAGEMENT LLC
6.5%
VANGUARD CAPITAL MANAGEMENT LLC
5.1%
DIMENSIONAL FUND ADVISORS LP
4.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
15%
from 13D/G
|
$209,712,432
3,677,875 shares
|
— | 31 Mar 2026 |
| DISCIPLINED GROWTH INVESTORS INC /MN |
13D/G
13F
Company
|
10%
|
$142,399,182
2,497,355 shares
|
-$10,056,845 | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
6.5%
|
$88,300,887
1,548,595 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.1%
|
$69,208,310
1,213,755 shares
|
$0 | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
Company
|
4.8%
|
$93,924,381
1,152,305 shares
|
-$12,109,044 | 30 Jun 2026 |
| Rainer Gawlick |
3/4/5
Director
|
0.19%
|
$2,628,222
46,093 shares
|
+$75,105 | 19 May 2026 |
| Sven Wehrwein |
3/4/5
Director
|
0.14%
|
$2,547,741
32,505 shares
|
-$154,550 | 02 Jun 2026 |
| Archie C. Black |
3/4/5
Director
|
0.12%
|
$1,620,964
28,428 shares
|
— | 19 May 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$2,289,802.
Buys
$150,159
Insiders: 2
Sells
$2,439,962
Insiders: 2
Net
-$2,289,802
Shares: -32,771
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 3,440
Shares: 36,211
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 25,663 | $0 | $1,804,716 | -$1,804,716 |
| 3-6 | 0 | 7,500 | $0 | $482,315 | -$482,315 |
| 6-9 | 0 | 3,048 | $0 | $152,931 | -$152,931 |
| 9-12 | 3,440 | 0 | $150,159 | $0 | +$150,159 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-17 of 17 reporting-owner rows connected to Proto Labs Inc. Open a relationship link for the CIK-to-CIK filing trail.
Rows
17
Largest Forms 3/4/5 holder
Robert Bodor
Net 12M change
-$2,364,857
Latest report
02 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Robert Bodor | President and CEO | $4,889,312 | Mixed | 25 Feb 2025 | ||
| Rainer Gawlick | Director | $2,628,222 | +$75,105 | +2.9% | Mixed | 19 May 2026 |
| Daniel Schumacher | Chief Financial Officer | $2,566,983 | Mixed | 20 May 2026 | ||
| Sven Wehrwein | Director | $2,547,741 | -$154,550 | -5.7% | Filing P/S | 02 Jun 2026 |
| Suresh Krishna | President and CEO, Director | $1,718,981 | Mixed | 23 May 2026 | ||
| Archie C. Black | Director | $1,620,964 | Mixed | 19 May 2026 | ||
| Oleg Ryaboy | Chief Technology Officer | $1,589,784 | Mixed | 25 Feb 2025 | ||
| Sujeet Chand | Director | $1,531,728 | Mixed | 19 May 2026 | ||
| Donald G. Krantz | Director | $1,531,728 | Mixed | 19 May 2026 | ||
| Michael R. Kenison | Chief Operations Officer | $1,313,336 | -$2,285,412 | -64% | Filing P/S | 11 May 2026 |
| Moonhie Chin | Director | $1,271,888 | Mixed | 19 May 2026 | ||
| Arthur R. Baker III | Chief Technology Officer | $1,142,535 | Mixed | 15 Feb 2022 | ||
| Bjoern Klaas | VP and Mng Director-PL Europe | $772,502 | Mixed | 13 Feb 2024 | ||
| 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 | ||
| Bernardo Parlange | Chief Commercial Officer | $120,255 | Mixed | 20 May 2026 |
Recent insider transactions for Proto Labs Inc
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Sven Wehrwein | PRLB | Common Stock | Sale | -5.8% | $154,550 | $77.28 | -2,000 | 32,505 | 02 Jun 2026 | Direct |
| Suresh Krishna | PRLB | Common Stock | Tax liability | -3.97% | -1,247 | 30,147 | 23 May 2026 | Direct | ||
| Daniel Schumacher | PRLB | Common Stock | Tax liability | -0.56% | -255 | 45,019 | 20 May 2026 | Direct | ||
| Bernardo Parlange | PRLB | Common Stock | Award | 2,109 | 2,109 | 20 May 2026 | Direct | |||
| Bernardo Parlange | PRLB | Employee Stock Option (right to buy) | Award | 3,789 | 3,789 | 20 May 2026 | Direct | |||
| Archie C. Black | PRLB | Common Stock | Award | 8.43% | 2,210 | 28,428 | 19 May 2026 | Direct | ||
| Sujeet Chand | PRLB | Common Stock | Award | 8.96% | 2,210 | 26,863 | 19 May 2026 | Direct | ||
| Moonhie Chin | PRLB | Common Stock | Award | 11% | 2,210 | 22,306 | 19 May 2026 | Direct | ||
| Rainer Gawlick | PRLB | Common Stock | Award | 5.04% | 2,210 | 46,093 | 19 May 2026 | Direct | ||
| Sven Wehrwein | PRLB | Common Stock | Award | 6.84% | 2,210 | 34,505 | 19 May 2026 | Direct | ||
| Donald G. Krantz | PRLB | Common Stock | Award | 8.96% | 2,210 | 26,863 | 19 May 2026 | Direct | ||
| Michael R. Kenison | PRLB | Common Stock | Sale | -46.2% | $1,113,915 | $69.49 | -16,030 | 18,683 | 12 May 2026 | Direct |
| Michael R. Kenison | PRLB | Common Stock | Options Exercise | 27.7% | 7,527 | 34,713 | 12 May 2026 | Direct | ||
| Michael R. Kenison | PRLB | Employee Stock Option (right to buy) | Options Exercise | -100% | -7,527 | 0 | 12 May 2026 | Direct | ||
| Michael R. Kenison | PRLB | Common Stock | Sale | -21.5% | $522,252 | $70.26 | -7,433 | 27,186 | 11 May 2026 | Direct |
| Michael R. Kenison | PRLB | Common Stock | Options Exercise | 27.3% | 7,433 | 34,619 | 11 May 2026 | Direct | ||
| Michael R. Kenison | PRLB | Employee Stock Option (right to buy) | Options Exercise | -66.3% | -7,433 | 3,778 | 11 May 2026 | Direct | ||
| Michael R. Kenison | PRLB | Common Stock | Sale | -0.73% | $14,000 | $70.00 | -200 | 27,186 | 07 May 2026 | Direct |
| Michael R. Kenison | PRLB | Common Stock | Options Exercise | 0.74% | 200 | 27,386 | 07 May 2026 | Direct | ||
| Michael R. Kenison | PRLB | Employee Stock Option (right to buy) | Options Exercise | -2.61% | -200 | 7,455 | 07 May 2026 | Direct | ||
| 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 |
* marks a reported price that did not pass the local price check.