Proto Labs Inc - PRLB
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 31
Latest filed: Aug 14, 2026
| Form | Count |
|---|---|
| 4 | 16 |
| 144 | 5 |
| SCHEDULE 13G/A | 4 |
| 8-K | 4 |
| SCHEDULE 13G | 2 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Aug 14, 2026 | SCHEDULE 13G/A | — | 0001050442-26-000025 | View |
| Aug 04, 2026 | 144 | — | 0001950047-26-007656 | View |
| Jul 31, 2026 | 8-K | Jul 31, 2026 | 0001443669-26-000034 | View |
| Jul 14, 2026 | SCHEDULE 13G/A | — | 0000354204-26-000852 | View |
| Jun 04, 2026 | 4 | Jun 02, 2026 | 0001628280-26-040863 | View |
| Jun 01, 2026 | 144 | — | 0001959173-26-004219 | View |
| May 27, 2026 | 4 | May 23, 2026 | 0001628280-26-038475 | View |
| May 22, 2026 | 4 | May 20, 2026 | 0001628280-26-037722 | View |
| May 22, 2026 | 4 | May 20, 2026 | 0001628280-26-037725 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001628280-26-037232 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001628280-26-037234 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001628280-26-037243 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001628280-26-037245 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001628280-26-037247 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001628280-26-037251 | View |
| May 20, 2026 | 8-K | May 19, 2026 | 0001443669-26-000028 | View |
| May 15, 2026 | SCHEDULE 13G/A | — | 0001050442-26-000017 | View |
| May 13, 2026 | 4 | May 11, 2026 | 0001628280-26-034651 | View |
| May 12, 2026 | 144 | — | 0001950047-26-004397 | View |
| May 11, 2026 | 144 | — | 0001950047-26-004344 | View |
| May 08, 2026 | 4 | May 07, 2026 | 0001628280-26-032958 | View |
| May 07, 2026 | 144 | — | 0001950047-26-004197 | View |
| May 07, 2026 | 8-K | May 06, 2026 | 0001104659-26-056700 | View |
| May 01, 2026 | 8-K | May 01, 2026 | 0001443669-26-000023 | View |
| Apr 30, 2026 | SCHEDULE 13G | — | 0002100119-26-000934 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100121-26-000620 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | — | 0000102909-26-002173 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001628280-26-012829 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001628280-26-012831 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001628280-26-012832 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001628280-26-012833 | View |