# Repligen Corp: filings

RGEN · Nasdaq · CIK 730272 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

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

## Reports and events: 292 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 (4 504, 8-K 176, 10-Q 54, SC 13G/A 50, 144 29, 3 25, 10-K 18, DEF 14A 18, 4/A 17, SC 13G 14, CT ORDER 13, UPLOAD 13, 424B5 12, CORRESP 12, SC 13D/A 12, SCHEDULE 13G/A 9, 8-K/A 8, DEFA14A 8, 425 6, 10-Q/A 5, ARS 5, S-8 5, 5 4, PRE 14A 4, D 3, S-3ASR 3, 305B2 2, 3/A 2, FWP 2, NT 10-K 2, SCHEDULE 13G 2, 10-K/A 1, 424B3 1, 424B7 1, 8-A12G/A 1, DEFR14A 1, EFFECT 1, NO ACT 1, NT 10-Q 1, S-4 1, S-4/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-30 | 16:01 ET | [10-Q](/filings/0001628280-26-068562.md) | Quarterly report, period 2026-09-30 | 0001628280-26-068562 |
| 2026-10-30 | 06:04 ET | [8-K](/filings/0001628280-26-068382.md) | 3.02 Unregistered sale of equity; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-26-068382 |
| 2026-10-27 | 07:04 ET | [8-K](/filings/0001628280-26-067405.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-067405 |
| 2026-10-06 | 09:14 ET | [8-K](/filings/0001193125-26-415015.md) | 2.01 Completion of an acquisition or disposition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-415015 |
| 2026-09-15 | 16:04 ET | [8-K](/filings/0001628280-26-062043.md) | 5.02 Departure or appointment of officers or directors | 0001628280-26-062043 |
| 2026-09-08 | 17:26 ET | [8-K](/filings/0001193125-26-385380.md) | 8.01 Other events | 0001193125-26-385380 |
| 2026-07-29 | 16:19 ET | [10-Q](/filings/0001193125-26-323773.md) | Quarterly report, period 2026-06-30 | 0001193125-26-323773 |
| 2026-07-28 | 07:13 ET | [8-K](/filings/0001193125-26-318853.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-318853 |
| 2026-07-22 | 08:56 ET | [8-K](/filings/0001193125-26-311402.md) | 1.01 Entry into a material agreement; 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-311402 |
| 2026-05-15 | 08:09 ET | [8-K](/filings/0001193125-26-225380.md) | 5.07 Shareholder vote results | 0001193125-26-225380 |
| 2026-05-06 | 16:08 ET | [10-Q](/filings/0001193125-26-208954.md) | Quarterly report, period 2026-03-31 | 0001193125-26-208954 |
| 2026-05-05 | 07:06 ET | [8-K](/filings/0001193125-26-205011.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-205011 |
| 2026-04-02 | 16:13 ET | [DEF 14A](/filings/0001193125-26-140115.md) | Proxy statement, period 2026-05-14 | 0001193125-26-140115 |
| 2026-02-26 | 16:03 ET | [10-K](/filings/0001193125-26-076528.md) | Annual report, period 2025-12-31 | 0001193125-26-076528 |
| 2026-02-24 | 07:33 ET | [8-K](/filings/0001193125-26-065246.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-065246 |
| 2026-01-06 | 07:32 ET | [8-K](/filings/0001193125-26-003467.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-003467 |
| 2025-11-04 | 16:07 ET | [10-Q](/filings/0001193125-25-264666.md) | Quarterly report, period 2025-09-30 | 0001193125-25-264666 |
| 2025-10-28 | 07:33 ET | [8-K](/filings/0001193125-25-252385.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-252385 |
| 2025-09-02 | 08:55 ET | [8-K](/filings/0001193125-25-193481.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-25-193481 |
| 2025-08-07 | 16:46 ET | [10-Q](/filings/0000950170-25-105166.md) | Quarterly report, period 2025-06-30 | 0000950170-25-105166 |
| 2025-07-29 | 07:31 ET | [8-K](/filings/0000950170-25-099389.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-099389 |
| 2025-05-15 | 16:15 ET | [8-K](/filings/0000950170-25-072664.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-25-072664 |
| 2025-04-29 | 16:17 ET | [10-Q](/filings/0000950170-25-060156.md) | Quarterly report, period 2025-03-31 | 0000950170-25-060156 |
| 2025-04-29 | 07:32 ET | [8-K](/filings/0000950170-25-059569.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-059569 |
| 2025-04-04 | 16:15 ET | [DEF 14A](/filings/0000950170-25-051141.md) | Proxy statement, period 2025-04-03 | 0000950170-25-051141 |
| 2025-03-14 | 19:14 ET | [10-K](/filings/0000950170-25-038999.md) | Annual report, period 2024-12-31 | 0000950170-25-038999 |
| 2025-02-20 | 07:45 ET | [8-K](/filings/0000950170-25-023742.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-023742 |
| 2024-11-18 | 12:10 ET | [10-Q](/filings/0000950170-24-127846.md) | Quarterly report, period 2024-09-30 | 0000950170-24-127846 |
| 2024-11-18 | 12:08 ET | [10-Q/A](/filings/0000950170-24-127845.md) | Quarterly report, amended, period 2024-06-30 | 0000950170-24-127845 |
| 2024-11-18 | 12:07 ET | [10-Q/A](/filings/0000950170-24-127844.md) | Quarterly report, amended, period 2024-03-31 | 0000950170-24-127844 |
| 2024-11-18 | 12:06 ET | [10-K/A](/filings/0000950170-24-127842.md) | Annual report, amended, period 2023-12-31 | 0000950170-24-127842 |
| 2024-11-18 | 12:05 ET | [10-Q/A](/filings/0000950170-24-127841.md) | Quarterly report, amended, period 2023-09-30 | 0000950170-24-127841 |
| 2024-11-18 | 12:03 ET | [10-Q/A](/filings/0000950170-24-127839.md) | Quarterly report, amended, period 2023-06-30 | 0000950170-24-127839 |
| 2024-11-18 | 12:02 ET | [10-Q/A](/filings/0000950170-24-127837.md) | Quarterly report, amended, period 2023-03-31 | 0000950170-24-127837 |
| 2024-11-12 | 07:44 ET | [8-K](/filings/0001193125-24-255167.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-255167 |
| 2024-09-18 | 16:21 ET | [8-K](/filings/0001193125-24-221406.md) | 2.02 Results of operations; 4.02 Non-reliance on financial statements; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-221406 |
| 2024-07-30 | 17:04 ET | [10-Q](/filings/0000950170-24-087981.md) | Quarterly report, period 2024-06-30 | 0000950170-24-087981 |
| 2024-07-30 | 07:46 ET | [8-K](/filings/0001193125-24-188277.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-188277 |
| 2024-07-15 | 16:05 ET | [8-K](/filings/0001193125-24-179061.md) | 8.01 Other events | 0001193125-24-179061 |
| 2024-06-14 | 17:15 ET | [8-K](/filings/0001193125-24-161728.md) | 5.02 Departure or appointment of officers or directors | 0001193125-24-161728 |
| 2024-06-13 | 07:17 ET | [8-K](/filings/0001193125-24-160292.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-160292 |
| 2024-05-17 | 08:01 ET | [8-K](/filings/0001193125-24-141217.md) | 5.07 Shareholder vote results | 0001193125-24-141217 |
| 2024-05-01 | 16:22 ET | [10-Q](/filings/0000950170-24-051310.md) | Quarterly report, period 2024-03-31 | 0000950170-24-051310 |
| 2024-05-01 | 07:44 ET | [8-K](/filings/0001193125-24-126349.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-126349 |
| 2024-04-01 | 16:17 ET | [DEF 14A](/filings/0001193125-24-083397.md) | Proxy statement, period 2024-05-16 | 0001193125-24-083397 |
| 2024-03-19 | 07:41 ET | [8-K](/filings/0001193125-24-070768.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-070768 |
| 2024-02-22 | 16:26 ET | [10-K](/filings/0000950170-24-018809.md) | Annual report, period 2023-12-31 | 0000950170-24-018809 |
| 2024-02-21 | 07:47 ET | [8-K](/filings/0001193125-24-040727.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-040727 |
| 2023-12-15 | 16:33 ET | [8-K](/filings/0001193125-23-296692.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits | 0001193125-23-296692 |
| 2023-12-07 | 07:39 ET | [8-K](/filings/0001193125-23-290319.md) | 3.02 Unregistered sale of equity; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-23-290319 |

Page 1 of 6. [Older](/companies/rgen/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 30, 2026, 16:08 ET. No prices; not investment advice.