13D/13G Filings - X4 Pharmaceuticals Inc (XFOR)

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
2025-08-20
5:41 pm
Purchase
2025-08-1313GX4 Pharmaceuticals, Inc.
XFOR
BIOTECHNOLOGY VALUE FUND L P2,243,659
9.900%
2,243,659increase
(New Position)
Filing
History
2025-08-19
4:05 pm
Purchase
2025-08-1213GX4 Pharmaceuticals, Inc.
XFOR
Deep Track Biotechnology Master Fund, Ltd.2,366,995
9.990%
2,366,995increase
(New Position)
Filing
History
2025-08-18
5:00 pm
Purchase
2025-08-1113GX4 Pharmaceuticals, Inc.
XFOR
Trails Edge Capital Partners, LP2,317,153
9.900%
2,317,153increase
(New Position)
Filing
History
2025-08-18
4:26 pm
Purchase
2025-08-1113DX4 Pharmaceuticals, Inc.
XFOR
Coastlands Capital LP2,479,645
9.990%
2,479,645increase
(New Position)
Filing
History
2025-08-15
4:54 pm
Purchase
2025-08-1313DX4 Pharmaceuticals, Inc.
XFOR
Growth Equity Opportunities 18 VGE, LLC2,243,658
9.990%
2,243,658increase
(New Position)
Filing
History
2025-08-14
5:53 pm
Sale
2025-06-3013GX4 Pharmaceuticals, Inc.
XFOR
ORBIMED ADVISORS LLC134,947
1.700%
-248,201decrease
(-64.78%)
Filing
History
2025-08-13
9:40 pm
Purchase
2025-08-1113DX4 Pharmaceuticals, Inc.
XFOR
Bain Capital Life Sciences Fund, L.P.2,436,526
9.990%
2,436,526increase
(New Position)
Filing
History
2025-07-18
11:48 am
Purchase
2025-06-3013GX4 Pharmaceuticals, Inc.
XFOR
BlackRock Inc.
BLK
179,125
3.000%
179,125increase
(New Position)
Filing
History
2025-01-31
10:09 am
Sale
2024-12-3113GX4 Pharmaceuticals, Inc.
XFOR
VANGUARD GROUP INC273,363
4.800%
-7,994decrease
(-2.84%)
Filing
History
2024-11-12
5:59 pm
Unchanged
2024-09-3013GX4 Pharmaceuticals, Inc.
XFOR
VANGUARD GROUP INC281,358
5.000%
0
(Unchanged)
Filing
History
2024-11-08
2:17 pm
Unchanged
2024-09-3013GX4 Pharmaceuticals, Inc.
XFOR
BlackRock Inc.
BLK
373,689
6.700%
0
(Unchanged)
Filing
History
2024-11-04
2:15 pm
Purchase
2024-09-3013GX4 Pharmaceuticals, Inc.
XFOR
VANGUARD GROUP INC281,358
5.000%
281,358increase
(New Position)
Filing
History
2024-10-22
6:06 pm
Purchase
2024-09-3013GX4 Pharmaceuticals, Inc.
XFOR
BlackRock Inc.
BLK
373,689
6.700%
101,664increase
(+37.37%)
Filing
History
2024-02-14
7:36 pm
Purchase
2023-12-3113GX4 Pharmaceuticals, Inc.
XFOR
ORBIMED ADVISORS LLC383,148
6.700%
38,860increase
(+11.29%)
Filing
History
2024-02-14
4:44 pm
Purchase
2022-06-3013GX4 Pharmaceuticals, Inc.
XFOR
ACORN BIOVENTURES, L.P.591,862
9.990%
591,862increase
(New Position)
Filing
History
2024-02-14
4:32 pm
Sale
2023-12-3113GX4 Pharmaceuticals, Inc.
XFOR
Lincoln Park Capital Fund LLC53,338
0.947%
-6,998decrease
(-11.60%)
Filing
History
2024-02-13
6:55 pm
Purchase
2023-12-3113GX4 Pharmaceuticals, Inc.
XFOR
Bain Capital Life Sciences Fund, L.P.563,859
11.000%
157,109increase
(+38.63%)
Filing
History
2024-02-07
5:09 pm
Sale
2024-01-3113GX4 Pharmaceuticals, Inc.
XFOR
BlackRock Inc.
BLK
272,025
4.900%
-8,559decrease
(-3.05%)
Filing
History
2024-01-31
2:08 pm
Purchase
2023-12-3113GX4 Pharmaceuticals, Inc.
XFOR
BlackRock Inc.
BLK
280,584
5.000%
244,768increase
(+683.40%)
Filing
History
2024-01-16
4:18 pm
Sale
2023-12-3113GX4 Pharmaceuticals, Inc.
XFOR
Integrated Core Strategies (US) LLC55,477
1.000%
-220,150decrease
(-79.87%)
Filing
History
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