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Mailing Address 35 CAMBRIDGE PARK DRIVE CAMBRIDGE MA 02140
Business Address 35 CAMBRIDGE PARK DRIVE CAMBRIDGE MA 02140 617-744-1340
Syros Pharmaceuticals, Inc. CIK#: 0001556263 (see all company filings)

SIC: 2834 - PHARMACEUTICAL PREPARATIONS
State location: MA | State of Inc.: DE | Fiscal Year End: 1231
formerly: LS22, Inc. (filings through 2012-08-22)
(CF Office: 03 Life Sciences)
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Items 1 - 40  0001556263 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001193125-24-078195 (33 Act)  Size: 66 KB
2024-03-27 333-278250
24785746
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000950170-24-036808 (34 Act)  Size: 11 MB
2024-03-27 001-37813
24785709
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001140361-24-008093 (34 Act)  Size: 46 KB
2024-02-14 005-89552
24641722
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000919574-24-001214 (34 Act)  Size: 183 KB
2024-02-13 005-89552
24631392
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-24-034125 (34 Act)  Size: 89 KB
2024-02-13 005-89552
24630977
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-24-034118 (34 Act)  Size: 100 KB
2024-02-13 005-89552
24630941
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-24-030282 (34 Act)  Size: 159 KB
2024-02-09 005-89552
24616070
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000902664-24-001134 (34 Act)  Size: 101 KB
2024-02-07 005-89552
24602121
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001193125-24-003863 (34 Act)  Size: 2 MB
2024-01-08 001-37813
24518299
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000902664-24-000007 (34 Act)  Size: 69 KB
2024-01-02 005-89552
24502557
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001104659-23-129271 (34 Act)  Size: 70 KB
2023-12-26 005-89552
231514079
8-K  Documents   Interactive Data Current report, items 1.01, 8.01, and 9.01
Acc-no: 0001193125-23-298696 (34 Act)  Size: 557 KB
2023-12-19 001-37813
231498211
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-23-298682 (33 Act)  Size: 775 KB
2023-12-19 333-271160
231498130
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001193125-23-289541 (34 Act)  Size: 2 MB
2023-12-06 001-37813
231468406
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-063340 (34 Act)  Size: 11 MB
2023-11-14 001-37813
231401484
SC 13D  Documents General statement of acquisition of beneficial ownership
Acc-no: 0001104659-23-110484 (34 Act)  Size: 104 KB
2023-10-20 005-89552
231337311
8-K  Documents   Interactive Data Current report, items 2.05 and 5.02
Acc-no: 0001193125-23-248476 (34 Act)  Size: 162 KB
2023-10-02 001-37813
231298046
8-K  Documents   Interactive Data Current report, items 1.02 and 9.01
Acc-no: 0001193125-23-210800 (34 Act)  Size: 144 KB
2023-08-11 001-37813
231164574
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-039337 (34 Act)  Size: 11 MB
2023-08-08 001-37813
231149221
8-K  Documents   Interactive Data Current report, items 1.02 and 9.01
Acc-no: 0001193125-23-191410 (34 Act)  Size: 147 KB
2023-07-21 001-37813
231102934
8-K  Documents   Interactive Data Current report, items 5.07 and 9.01
Acc-no: 0001193125-23-159840 (34 Act)  Size: 153 KB
2023-06-02 001-37813
23988858
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001193125-23-154354 (34 Act)  Size: 10 MB
2023-05-25 001-37813
23961943
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-020052 (34 Act)  Size: 10 MB
2023-05-10 001-37813
23904241
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-23-130379 (33 Act)  Size: 181 KB
2023-05-01 333-271160
23873578
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-23-001109 (33 Act)  Size: 1 KB
2023-04-28 16:00:00 333-271160
23869680
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-23-118475 Size: 6 KB
2023-04-26
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-23-109216 (34 Act)  Size: 1 MB
2023-04-21 001-37813
23834499
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-23-109211 (34 Act)  Size: 663 KB
2023-04-21 001-37813
23834494
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001193125-23-109202 (34 Act)  Size: 1 MB
2023-04-21 001-37813
23834487
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-003513 Size: 40 KB
2023-04-07
S-3  Documents Registration statement under Securities Act of 1933
Acc-no: 0001193125-23-093977 (33 Act)  Size: 1 MB
2023-04-06 333-271160
23806245
8-K  Documents   Interactive Data Current report, item 7.01
Acc-no: 0001193125-23-067652 (34 Act)  Size: 141 KB
2023-03-10 001-37813
23724137
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001193125-23-057345 (33 Act)  Size: 68 KB
2023-03-02 333-270209
23696511
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000950170-23-005702 (34 Act)  Size: 17 MB
2023-03-02 001-37813
23696392
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000919574-23-001654 (34 Act)  Size: 179 KB
2023-02-14 005-89552
23629053
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-23-036933 (34 Act)  Size: 97 KB
2023-02-14 005-89552
23621916
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-23-033116 (34 Act)  Size: 140 KB
2023-02-13 005-89552
23614171
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-23-017834 (34 Act)  Size: 90 KB
2023-01-30 005-89552
23564629
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000902664-23-000691 (34 Act)  Size: 112 KB
2023-01-25 005-89552
23553029
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001193125-23-004123 (34 Act)  Size: 11 MB
2023-01-09 001-37813
23516528