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Mailing Address 65 GROVE STREET WATERTOWN MA 02472
Business Address 65 GROVE STREET WATERTOWN MA 02472 617-923-1400
Cartesian Therapeutics, Inc. CIK#: 0001453687 (see all company filings)

SIC: 2834 - PHARMACEUTICAL PREPARATIONS
State location: MA | State of Inc.: DE | Fiscal Year End: 1231
formerly: SELECTA BIOSCIENCES INC (filings through 2023-11-13)
(CF Office: 03 Life Sciences)
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Items 1 - 40  0001453687 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001213900-24-027362 (34 Act)  Size: 67 KB
2024-03-28 005-89550
24800628
8-K  Documents   Interactive Data Current report, items 5.03, 5.07, 7.01, 8.01, and 9.01
Acc-no: 0001453687-24-000048 (34 Act)  Size: 261 KB
2024-03-28 001-37798
24800135
8-K  Documents   Interactive Data Current report, item 1.02
Acc-no: 0001453687-24-000039 (34 Act)  Size: 151 KB
2024-03-14 001-37798
24747960
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-24-001670 (34 Act)  Size: 8 KB
2024-03-11 005-89550
24736619
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001453687-24-000036 (34 Act)  Size: 18 MB
2024-03-07 001-37798
24728137
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001453687-24-000035 (34 Act)  Size: 312 KB
2024-03-07 001-37798
24728134
8-K  Documents   Interactive Data Current report, items 1.01, 5.02, 7.01, and 9.01
Acc-no: 0001140361-24-011282 (34 Act)  Size: 224 KB
2024-03-05 001-37798
24718248
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001140361-24-008057 (34 Act)  Size: 1 MB
2024-02-14 001-37798
24640771
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001140361-24-008022 (34 Act)  Size: 6 MB
2024-02-14 001-37798
24639539
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001172661-24-001133 (34 Act)  Size: 83 KB
2024-02-14 005-89550
24635082
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-24-030308 (34 Act)  Size: 142 KB
2024-02-09 005-89550
24616137
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-24-001038 (34 Act)  Size: 8 KB
2024-02-09 005-89550
24611494
PRE 14A  Documents Other preliminary proxy statements
Acc-no: 0001140361-24-004864 (34 Act)  Size: 6 MB
2024-01-31 001-37798
24583361
8-K/A  Documents   Interactive Data [Amend] Current report, item 9.01
Acc-no: 0001140361-24-003407 (34 Act)  Size: 1 MB
2024-01-23 001-37798
24552522
8-K  Documents   Interactive Data Current report, item 3.01
Acc-no: 0001453687-24-000030 (34 Act)  Size: 155 KB
2024-01-19 001-37798
24545713
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001140361-24-002120 (33 Act)  Size: 452 KB
2024-01-12 333-276486
24532218
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001140361-24-001205 (34 Act)  Size: 5 MB
2024-01-08 001-37798
24518560
8-A12G  Documents Registration of securities [Section 12(g)]
Acc-no: 0001193125-23-291713 (34 Act)  Size: 327 KB
2023-12-08 000-56621
231475771
D/A  Documents [Amend] Notice of Exempt Offering of Securities, item 06b
Acc-no: 0001453687-23-000093 (33 Act)  Size: 15 KB
2023-12-04 021-498655
231463763
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-23-003516 (33 Act)  Size: 1 KB
2023-12-01 17:00:00 333-275171
231461182
D  Documents Notice of Exempt Offering of Securities, item 06b
Acc-no: 0001453687-23-000092 (33 Act)  Size: 12 KB
2023-12-01 021-498655
231460175
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-23-286835 Size: 10 KB
2023-12-01
S-3/A  Documents [Amend] Registration statement under Securities Act of 1933
Acc-no: 0001193125-23-286814 (33 Act)  Size: 70 KB
2023-12-01 333-275171
231457611
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001453687-23-000091 (34 Act)  Size: 154 KB
2023-11-27 001-37798
231440454
SC 13D  Documents General statement of acquisition of beneficial ownership
Acc-no: 0001193125-23-282294 (34 Act)  Size: 190 KB
2023-11-22 005-89550
231434027
SC 13D  Documents General statement of acquisition of beneficial ownership
Acc-no: 0001193125-23-282293 (34 Act)  Size: 147 KB
2023-11-22 005-89550
231434017
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001213900-23-088080 (34 Act)  Size: 103 KB
2023-11-17 005-89550
231416478
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001193125-23-276086 (34 Act)  Size: 7 MB
2023-11-13 001-37798
231399372
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-23-275467 (34 Act)  Size: 6 MB
2023-11-13 001-37798
231395665
8-K  Documents   Interactive Data Current report, items 1.01, 2.01, 3.02, 5.02, 5.03, 7.01, and 9.01
Acc-no: 0001193125-23-275461 (34 Act)  Size: 7 MB
2023-11-13 001-37798
231395625
8-K  Documents   Interactive Data Current report, items 1.01, 5.02, 8.01, and 9.01
Acc-no: 0001453687-23-000070 (34 Act)  Size: 290 KB
2023-10-31 001-37798
231364584
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-23-265802 Size: 12 KB
2023-10-30
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-011859 Size: 40 KB
2023-10-30
S-3  Documents Registration statement under Securities Act of 1933
Acc-no: 0001193125-23-263204 (33 Act)  Size: 1 MB
2023-10-25 333-275171
231346940
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001453687-23-000064 (34 Act)  Size: 153 KB
2023-09-25 001-37798
231276036
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001213900-23-078889 (34 Act)  Size: 69 KB
2023-09-25 005-89550
231272785
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001453687-23-000061 (34 Act)  Size: 153 KB
2023-09-13 001-37798
231251619
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001193125-23-214712 (33 Act)  Size: 83 KB
2023-08-17 333-274036
231179795
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001193125-23-214708 (34 Act)  Size: 6 MB
2023-08-17 001-37798
231179789
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-23-214706 (34 Act)  Size: 252 KB
2023-08-17 001-37798
231179787