FULCRUM THERAPEUTICS, INC. (FULC) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-08-14
4:42 pm
Sale
2026-06-3013GFULCRUM THERAPEUTICS INC
FULC
RA Capital Management, L.P.0
0.000%
-6,649,973decrease
(Position Closed)
Filing
History
2026-08-14
4:38 pm
Purchase
2026-06-3013GFULCRUM THERAPEUTICS INC
FULC
Nantahala Capital Management LLC5,475,040
8.220%
2,425,000increase
(+79.51%)
Filing
History
2026-08-14
4:22 pm
Sale
2026-06-3013GFULCRUM THERAPEUTICS INC
FULC
Montanova Capital, LLC3,680,921
5.500%
-1,386,473decrease
(-27.36%)
Filing
History
2026-08-14
4:20 pm
Sale
2026-06-3013GFULCRUM THERAPEUTICS INC
FULC
TCG Crossover GP II, LLC0
0.000%
-5,250,000decrease
(Position Closed)
Filing
History
2026-08-03
12:12 pm
Purchase
2026-06-3013GFULCRUM THERAPEUTICS INC
FULC
BANK OF AMERICA CORP
BAC
4,468,123
6.700%
4,468,123increase
(New Position)
Filing
History
2026-07-28
4:44 pm
Purchase
2026-06-3013GFULCRUM THERAPEUTICS INC
FULC
BlackRock, Inc.
BLK
4,802,880
7.200%
1,532,558increase
(+46.86%)
Filing
History
2026-07-17
11:33 am
Purchase
2026-06-3013GFULCRUM THERAPEUTICS INC
FULC
BlackRock Portfolio Management LLC4,021,379
6.000%
4,021,379increase
(New Position)
Filing
History
2026-07-15
7:53 pm
Purchase
2026-07-1313GFULCRUM THERAPEUTICS INC
FULC
TANG CAPITAL MANAGEMENT LLC6,913,329
10.400%
1,461,529increase
(+26.81%)
Filing
History
2026-06-25
6:10 pm
Unchanged
2026-06-1713GFULCRUM THERAPEUTICS INC
FULC
EcoR1 Capital, LLC6,000,000
9.000%
0
(Unchanged)
Filing
History
2026-06-25
5:51 pm
Purchase
2026-06-1713GFULCRUM THERAPEUTICS INC
FULC
EcoR1 Capital, LLC6,000,000
9.000%
6,000,000increase
(New Position)
Filing
History
2026-06-10
6:13 pm
Purchase
2026-06-0313GFULCRUM THERAPEUTICS INC
FULC
TANG CAPITAL MANAGEMENT LLC5,451,800
8.200%
5,451,800increase
(New Position)
Filing
History
2026-05-15
4:36 pm
Sale
2026-03-3113GFULCRUM THERAPEUTICS INC
FULC
Nantahala Capital Management LLC3,050,040
4.580%
-1,727,872decrease
(-36.16%)
Filing
History
2026-05-15
4:26 pm
Purchase
2026-03-3113GFULCRUM THERAPEUTICS INC
FULC
TCG Crossover GP II, LLC5,250,000
7.900%
250,000increase
(+5.00%)
Filing
History
2026-03-26
6:37 pm
Sale
2026-03-1313GFULCRUM THERAPEUTICS INC
FULC
The Vanguard Group0
0.000%
-3,274,592decrease
(Position Closed)
Filing
History
2026-02-17
4:29 pm
Purchase
2025-12-3113GFULCRUM THERAPEUTICS INC
FULC
RA Capital Management, L.P.6,649,973
9.900%
596,013increase
(+9.85%)
Filing
History
2025-12-10
4:44 pm
Sale
2025-12-0813GFULCRUM THERAPEUTICS INC
FULC
RA Capital Management, L.P.6,053,960
11.200%
-4,175,139decrease
(-40.82%)
Filing
History
2025-11-13
09:03 am
Sale
2025-09-3013GFULCRUM THERAPEUTICS INC
FULC
Adage Capital Management, L.P.2,432,000
4.500%
-2,157,000decrease
(-47.00%)
Filing
History
2025-10-17
6:40 pm
Sale
2025-09-3013GFULCRUM THERAPEUTICS INC
FULC
BlackRock, Inc.
BLK
3,270,322
6.000%
-762,554decrease
(-18.91%)
Filing
History
2025-08-12
09:01 am
Purchase
2025-06-3013GFULCRUM THERAPEUTICS INC
FULC
Adage Capital Management, L.P.4,589,000
8.500%
1,589,000increase
(+52.97%)
Filing
History
2025-05-02
5:33 pm
Purchase
2025-03-3113GFULCRUM THERAPEUTICS INC
FULC
Montanova Capital, LLC5,067,394
9.400%
1,662,782increase
(+48.84%)
Filing
History
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