Proto Labs Inc — All Filings
854 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B4
5
5/A
8-A12B
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
NO ACT
PRE 14A
REGDEX
S-1
S-1/A
S-3ASR
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-002173 | Mar 27, 2026 | — |
| 4 | FORM 4 | 0001628280-26-012833 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | FORM 4 | 0001628280-26-012832 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | FORM 4 | 0001628280-26-012831 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | FORM 4 | 0001628280-26-012829 | Feb 27, 2026 | Feb 25, 2026 |
| 10-K | 10-K | 0001443669-26-000010 | Feb 20, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001628280-26-009131 | Feb 18, 2026 | Feb 13, 2026 |
| 4 | FORM 4 | 0001628280-26-009129 | Feb 18, 2026 | Feb 13, 2026 |
| SCHEDULE 13G/A | — | 0001050442-26-000006 | Feb 17, 2026 | — |
| 4 | — | 0001870293-26-000004 | Feb 12, 2026 | Feb 10, 2026 |
| 4 | — | 0001894753-26-000003 | Feb 12, 2026 | Feb 10, 2026 |
| 4 | FORM 4 | 0001628280-26-006501 | Feb 9, 2026 | Feb 6, 2026 |
| 144 | — | 0001950047-26-001001 | Feb 6, 2026 | — |
| 8-K/A | 8-K/A | 0001443669-26-000006 | Feb 6, 2026 | — |
| 8-K | 8-K | 0001443669-26-000003 | Feb 6, 2026 | — |
| 4 | FORM 4 | 0001628280-26-005553 | Feb 4, 2026 | Jan 29, 2026 |
| 4 | FORM 4 | 0001628280-26-005552 | Feb 4, 2026 | Jan 29, 2026 |
| 144 | — | 0001950047-26-000511 | Jan 16, 2026 | — |
| 144 | — | 0001950047-26-000488 | Jan 15, 2026 | — |
| 144 | — | 0001950047-26-000264 | Jan 8, 2026 | — |
| 144 | — | 0001950047-26-000225 | Jan 7, 2026 | — |
| 4/A | FORM 4/A | 0001870293-25-000007 | Dec 3, 2025 | Nov 25, 2025 |
| 4 | FORM 4 | 0001870293-25-000004 | Nov 26, 2025 | Nov 25, 2025 |
| 144 | — | 0001950047-25-009385 | Nov 25, 2025 | — |
| 144 | — | 0001950047-25-009352 | Nov 25, 2025 | — |
| 4 | FORM 4 | 0001443669-25-000014 | Nov 19, 2025 | Nov 17, 2025 |
| SCHEDULE 13G/A | — | 0001050442-25-000040 | Nov 14, 2025 | — |
| 144 | — | 0001950047-25-008583 | Nov 7, 2025 | — |
| 10-Q | 10-Q | 0001443669-25-000013 | Oct 31, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001443669-25-000011 | Oct 31, 2025 | — |
| 3 | FORM 3 | 0001443669-25-000007 | Oct 15, 2025 | Oct 13, 2025 |
| 8-K | FORM 8-K | 0001104659-25-096447 | Oct 3, 2025 | — |
| SCHEDULE 13G/A | — | 0001050442-25-000027 | Aug 14, 2025 | — |
| 4 | FORM 4 | 0001628280-25-038875 | Aug 7, 2025 | Aug 5, 2025 |
| 4 | FORM 4 | 0001628280-25-038522 | Aug 6, 2025 | Aug 4, 2025 |
| 10-Q | 10-Q | 0001628280-25-037024 | Jul 31, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0001628280-25-036811 | Jul 31, 2025 | — |
| SCHEDULE 13G/A | — | 0002052113-25-003253 | Jul 17, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-054901 | May 30, 2025 | May 24, 2025 |
| SD | SD | 0001628280-25-028318 | May 29, 2025 | — |
| 4 | FORM 4 | 0001628280-25-028229 | May 28, 2025 | May 23, 2025 |
| 4 | FORM 4 | 0001628280-25-028226 | May 28, 2025 | May 23, 2025 |
| 4 | FORM 4 | 0001628280-25-028225 | May 28, 2025 | May 23, 2025 |
| 4 | FORM 4 | 0001628280-25-028224 | May 28, 2025 | May 23, 2025 |
| 4 | FORM 4 | 0001628280-25-028222 | May 28, 2025 | May 23, 2025 |
| 4 | FORM 4 | 0001628280-25-028218 | May 28, 2025 | May 23, 2025 |
| 4 | FORM 4 | 0001628280-25-028217 | May 28, 2025 | May 23, 2025 |
| 4 | FORM 4 | 0001628280-25-028191 | May 28, 2025 | May 23, 2025 |
| 3 | FORM 3 | 0001628280-25-028190 | May 28, 2025 | May 20, 2025 |
| S-8 | FORM S-8 | 0001104659-25-053045 | May 27, 2025 | — |