# Proto Labs Inc: filings

PRLB · NYSE · CIK 1443669 · [Industrials](/sectors/industrials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/prlb.md) · [Financials](/companies/prlb/financials.md) · [Filings](/companies/prlb/filings.md) · [Insiders](/companies/prlb/insiders.md)

## Reports and events: 210 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 428, 8-K 124, SC 13G/A 54, 10-Q 44, 3 37, 4/A 31, 144 18, DEF 14A 15, UPLOAD 15, 10-K 14, SC 13G 14, CORRESP 13, SD 11, SCHEDULE 13G/A 10, S-8 9, 5 8, DEFA14A 8, S-1/A 8, ARS 4, S-8 POS 3, SCHEDULE 13G 3, 3/A 2, 8-K/A 2, EFFECT 2, PRE 14A 2, S-1 2, 10-Q/A 1, 424B1 1, 424B4 1, 5/A 1, 8-A12B 1, CERTNYS 1, NO ACT 1, S-3ASR 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-29 | 06:06 ET | [8-K](/filings/0001443669-26-000043.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001443669-26-000043 |
| 2026-08-24 | 13:06 ET | [8-K](/filings/0001443669-26-000039.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001443669-26-000039 |
| 2026-07-31 | 15:11 ET | [10-Q](/filings/0001443669-26-000035.md) | Quarterly report, period 2026-06-30 | 0001443669-26-000035 |
| 2026-07-31 | 06:11 ET | [8-K](/filings/0001443669-26-000034.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001443669-26-000034 |
| 2026-05-20 | 15:38 ET | [8-K](/filings/0001443669-26-000028.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001443669-26-000028 |
| 2026-05-07 | 07:51 ET | [8-K](/filings/0001104659-26-056700.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-056700 |
| 2026-05-01 | 13:58 ET | [10-Q](/filings/0001443669-26-000025.md) | Quarterly report, period 2026-03-31 | 0001443669-26-000025 |
| 2026-05-01 | 06:07 ET | [8-K](/filings/0001443669-26-000023.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001443669-26-000023 |
| 2026-04-08 | 14:15 ET | [DEF 14A](/filings/0001443669-26-000017.md) | Proxy statement, period 2026-05-19 | 0001443669-26-000017 |
| 2026-02-20 | 15:33 ET | [10-K](/filings/0001443669-26-000010.md) | Annual report, period 2025-12-31 | 0001443669-26-000010 |
| 2026-02-06 | 14:50 ET | [8-K/A](/filings/0001443669-26-000006.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001443669-26-000006 |
| 2026-02-06 | 06:06 ET | [8-K](/filings/0001443669-26-000003.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001443669-26-000003 |
| 2025-10-31 | 13:40 ET | [10-Q](/filings/0001443669-25-000013.md) | Quarterly report, period 2025-09-30 | 0001443669-25-000013 |
| 2025-10-31 | 06:10 ET | [8-K](/filings/0001443669-25-000011.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001443669-25-000011 |
| 2025-10-03 | 10:41 ET | [8-K](/filings/0001104659-25-096447.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-096447 |
| 2025-07-31 | 16:27 ET | [10-Q](/filings/0001628280-25-037024.md) | Quarterly report, period 2025-06-30 | 0001628280-25-037024 |
| 2025-07-31 | 06:09 ET | [8-K](/filings/0001628280-25-036811.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-036811 |
| 2025-05-30 | 16:21 ET | [8-K](/filings/0001104659-25-054901.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001104659-25-054901 |
| 2025-05-21 | 16:14 ET | [8-K](/filings/0001104659-25-051610.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-051610 |
| 2025-05-02 | 16:03 ET | [10-Q](/filings/0001628280-25-021822.md) | Quarterly report, period 2025-03-31 | 0001628280-25-021822 |
| 2025-05-02 | 06:08 ET | [8-K](/filings/0001628280-25-021658.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-021658 |
| 2025-04-09 | 17:18 ET | [DEF 14A](/filings/0001628280-25-017209.md) | Proxy statement, period 2025-05-20 | 0001628280-25-017209 |
| 2025-02-21 | 13:02 ET | [10-K](/filings/0001628280-25-007052.md) | Annual report, period 2024-12-31 | 0001628280-25-007052 |
| 2025-02-07 | 06:08 ET | [8-K](/filings/0001628280-25-004333.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-25-004333 |
| 2024-11-07 | 15:36 ET | [10-Q](/filings/0001628280-24-046196.md) | Quarterly report, period 2024-09-30 | 0001628280-24-046196 |
| 2024-11-01 | 06:08 ET | [8-K](/filings/0001628280-24-044644.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-044644 |
| 2024-10-25 | 06:11 ET | [8-K](/filings/0001628280-24-043734.md) | 2.05 Exit or disposal costs; 2.06 Material impairments | 0001628280-24-043734 |
| 2024-10-07 | 06:04 ET | [8-K](/filings/0001628280-24-042356.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001628280-24-042356 |
| 2024-08-02 | 14:30 ET | [10-Q](/filings/0001628280-24-034354.md) | Quarterly report, period 2024-06-30 | 0001628280-24-034354 |
| 2024-08-02 | 06:10 ET | [8-K](/filings/0001628280-24-034264.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-034264 |
| 2024-07-24 | 17:22 ET | [8-K](/filings/0001628280-24-032864.md) | 5.02 Departure or appointment of officers or directors | 0001628280-24-032864 |
| 2024-05-24 | 16:11 ET | [8-K](/filings/0001628280-24-025197.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results | 0001628280-24-025197 |
| 2024-05-03 | 14:55 ET | [10-Q](/filings/0001628280-24-020233.md) | Quarterly report, period 2024-03-31 | 0001628280-24-020233 |
| 2024-05-03 | 06:08 ET | [8-K](/filings/0001628280-24-020115.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-020115 |
| 2024-04-12 | 15:53 ET | [DEF 14A](/filings/0001628280-24-016026.md) | Proxy statement, period 2024-05-23 | 0001628280-24-016026 |
| 2024-02-16 | 13:50 ET | [10-K](/filings/0001628280-24-005285.md) | Annual report, period 2023-12-31 | 0001628280-24-005285 |
| 2024-02-09 | 06:07 ET | [8-K](/filings/0001628280-24-003972.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-003972 |
| 2023-11-03 | 14:59 ET | [10-Q](/filings/0001628280-23-036667.md) | Quarterly report, period 2023-09-30 | 0001628280-23-036667 |
| 2023-11-03 | 06:08 ET | [8-K](/filings/0001628280-23-036537.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-23-036537 |
| 2023-08-04 | 15:20 ET | [10-Q](/filings/0001628280-23-027513.md) | Quarterly report, period 2023-06-30 | 0001628280-23-027513 |
| 2023-08-04 | 06:07 ET | [8-K](/filings/0001628280-23-027385.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-23-027385 |
| 2023-05-18 | 15:26 ET | [8-K](/filings/0001437749-23-015104.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001437749-23-015104 |
| 2023-05-05 | 16:41 ET | [10-Q](/filings/0001437749-23-012837.md) | Quarterly report, period 2023-03-31 | 0001437749-23-012837 |
| 2023-05-05 | 06:02 ET | [8-K](/filings/0001437749-23-012663.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-23-012663 |
| 2023-04-04 | 11:44 ET | [DEF 14A](/filings/0001140361-23-016078.md) | Proxy statement | 0001140361-23-016078 |
| 2023-02-21 | 12:52 ET | [10-K](/filings/0001437749-23-003930.md) | Annual report, period 2022-12-31 | 0001437749-23-003930 |
| 2023-02-10 | 06:06 ET | [8-K](/filings/0001437749-23-002945.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-23-002945 |
| 2022-11-21 | 09:00 ET | [8-K](/filings/0001437749-22-027805.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-22-027805 |
| 2022-11-15 | 16:59 ET | [8-K](/filings/0001437749-22-027471.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001437749-22-027471 |
| 2022-11-04 | 13:01 ET | [10-Q](/filings/0001437749-22-025970.md) | Quarterly report, period 2022-09-30 | 0001437749-22-025970 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 14:32 ET. No prices; not investment advice.