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Mailing Address 41 SEYON STREET BUILDING 1, SUITE 100 WALTHAM MA 02453
Business Address 41 SEYON STREET BUILDING 1, SUITE 100 WALTHAM MA 02453 7814499560
REPLIGEN CORP CIK#: 0000730272 (see all company filings)

SIC: 2836 - BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES)
State location: MA | State of Inc.: DE | Fiscal Year End: 1231
(CF Office: 03 Life Sciences)
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Items 1 - 40  0000730272 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-24-083464 (34 Act)  Size: 4 MB
2024-04-01 000-14656
24809934
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-24-083416 (34 Act)  Size: 149 KB
2024-04-01 000-14656
24809621
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-24-083397 (34 Act)  Size: 11 MB
2024-04-01 000-14656
24809528
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001193125-24-070768 (34 Act)  Size: 175 KB
2024-03-19 000-14656
24761103
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000950170-24-018809 (34 Act)  Size: 19 MB
2024-02-22 000-14656
24665243
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-24-040727 (34 Act)  Size: 410 KB
2024-02-21 000-14656
24656407
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000080255-24-000667 (34 Act)  Size: 6 KB
2024-02-14 005-38071
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-021828 (34 Act)  Size: 13 KB
2024-02-13 005-38071
24629463
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001213900-24-010433 (34 Act)  Size: 68 KB
2024-02-06 005-38071
24599453
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-001459 (34 Act)  Size: 13 KB
2024-01-23 005-38071
24551393
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, 3.02, and 9.01
Acc-no: 0001193125-23-296692 (34 Act)  Size: 945 KB
2023-12-15 000-14656
231490870
8-K  Documents   Interactive Data Current report, items 3.02, 8.01, and 9.01
Acc-no: 0001193125-23-290319 (34 Act)  Size: 376 KB
2023-12-07 000-14656
231471079
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-056871 (34 Act)  Size: 13 MB
2023-10-31 000-14656
231364727
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-23-266741 (34 Act)  Size: 393 KB
2023-10-31 000-14656
231362321
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-23-248189 (34 Act)  Size: 173 KB
2023-10-02 000-14656
231297810
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001193125-23-241886 (34 Act)  Size: 1 MB
2023-09-26 000-14656
231277168
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-23-233111 (34 Act)  Size: 331 KB
2023-09-12 000-14656
231249124
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-037204 (34 Act)  Size: 13 MB
2023-08-02 000-14656
231135955
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-23-201167 (34 Act)  Size: 370 KB
2023-08-02 000-14656
231133756
8-K  Documents   Interactive Data Current report, items 5.03, 5.07, and 9.01
Acc-no: 0001193125-23-150037 (34 Act)  Size: 201 KB
2023-05-22 000-14656
23942689
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-016729 (34 Act)  Size: 11 MB
2023-05-02 000-14656
23879844
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-23-131300 (34 Act)  Size: 313 KB
2023-05-02 000-14656
23876645
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001193125-23-104254 (34 Act)  Size: 145 KB
2023-04-18 000-14656
23825492
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001193125-23-098461 (34 Act)  Size: 2 MB
2023-04-12 000-14656
23814628
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-23-097923 (34 Act)  Size: 4 MB
2023-04-11 000-14656
23813898
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-23-097893 (34 Act)  Size: 8 MB
2023-04-11 000-14656
23813831
PRE 14A  Documents   Interactive Data Other preliminary proxy statements
Acc-no: 0001193125-23-079179 (34 Act)  Size: 6 MB
2023-03-24 000-14656
23760222
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000950170-23-003793 (34 Act)  Size: 23 MB
2023-02-22 000-14656
23654021
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-23-044164 (34 Act)  Size: 393 KB
2023-02-22 000-14656
23650564
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001213900-23-012173 (34 Act)  Size: 68 KB
2023-02-15 005-38071
23636409
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000080255-23-002525 (34 Act)  Size: 9 KB
2023-02-14 005-38071
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-016841 (34 Act)  Size: 12 KB
2023-02-09 005-38071
23604118
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-23-029218 (34 Act)  Size: 177 KB
2023-02-09 000-14656
23601124
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-002347 (34 Act)  Size: 13 KB
2023-01-23 005-38071
23544394
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-22-020864 (34 Act)  Size: 15 MB
2022-11-01 000-14656
221350889
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-22-274508 (34 Act)  Size: 378 KB
2022-11-01 000-14656
221348533
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000834237-22-010614 (34 Act)  Size: 13 KB
2022-09-08 005-38071
221233319
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-22-013883 (34 Act)  Size: 14 MB
2022-08-02 000-14656
221129188
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-22-209439 (34 Act)  Size: 384 KB
2022-08-02 000-14656
221126942
8-K  Documents   Interactive Data Current report, items 5.02, 5.07, 8.01, and 9.01
Acc-no: 0001193125-22-165344 (34 Act)  Size: 414 KB
2022-06-01 000-14656
22988393