Aclaris Therapeutics Inc. (ACRS) - 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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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-04-07
5:59 pm
Purchase
2026-03-3113GACLARIS THERAPEUTICS INC
ACRS
RA Capital Management, L.P.7,626,705
6.300%
7,626,705increase
(New Position)
Filing
History
2026-03-26
3:06 pm
Sale
2026-03-1313GACLARIS THERAPEUTICS INC
ACRS
VANGUARD GROUP INC0
0.000%
-6,662,063decrease
(Position Closed)
Filing
History
2026-03-17
4:16 pm
Purchase
2026-03-0913GACLARIS THERAPEUTICS INC
ACRS
Deep Track Capital LP9,345,000
7.000%
9,345,000increase
(New Position)
Filing
History
2026-02-09
1:42 pm
Unchanged
2025-12-3113GACLARIS THERAPEUTICS INC
ACRS
BML Investment Partners, L.P.14,250,000
11.900%
0
(Unchanged)
Filing
History
2026-01-21
12:30 pm
Purchase
2025-12-3113GACLARIS THERAPEUTICS INC
ACRS
BlackRock Inc.
BLK
6,700,629
6.200%
1,228,918increase
(+22.46%)
Filing
History
2026-01-09
08:59 am
Purchase
2025-12-0913GACLARIS THERAPEUTICS INC
ACRS
Biosion, Inc.11,281,950
9.400%
11,281,950increase
(New Position)
Filing
History
2025-11-13
09:05 am
Sale
2025-09-3013GACLARIS THERAPEUTICS INC
ACRS
Adage Capital Management, L.P.5,278,144
4.870%
-2,923,200decrease
(-35.64%)
Filing
History
2025-07-29
11:22 am
Purchase
2025-06-3013GACLARIS THERAPEUTICS INC
ACRS
VANGUARD GROUP INC6,662,063
6.150%
1,691,809increase
(+34.04%)
Filing
History
2025-07-24
4:21 pm
Sale
2025-06-3013GACLARIS THERAPEUTICS INC
ACRS
Millennium Management LLC3,837,380
3.500%
-1,705,758decrease
(-30.77%)
Filing
History
2025-07-17
7:44 pm
Purchase
2025-06-3013GACLARIS THERAPEUTICS INC
ACRS
BlackRock Inc.
BLK
5,471,711
5.100%
3,439,247increase
(+169.22%)
Filing
History
2025-05-15
10:45 am
Sale
2025-03-3113GACLARIS THERAPEUTICS INC
ACRS
Rock Springs Capital Management LP5,046,309
4.700%
-1,715,552decrease
(-25.37%)
Filing
History
2025-05-12
09:07 am
Sale
2025-03-3113GACLARIS THERAPEUTICS INC
ACRS
Adage Capital Management, L.P.8,201,344
7.600%
-1,425,960decrease
(-14.81%)
Filing
History
2025-05-05
4:00 pm
Purchase
2025-04-2813GACLARIS THERAPEUTICS INC
ACRS
Millennium Management LLC5,543,138
5.100%
2,537,540increase
(+84.43%)
Filing
History
2025-04-30
10:53 am
Purchase
2025-03-3113GACLARIS THERAPEUTICS INC
ACRS
VANGUARD GROUP INC4,970,254
4.600%
248,367increase
(+5.26%)
Filing
History
2025-02-13
2:26 pm
Purchase
2024-12-3113GACLARIS THERAPEUTICS INC
ACRS
BML Investment Partners, L.P.14,250,000
13.300%
4,854,066increase
(+51.66%)
Filing
History
2025-02-12
09:31 am
Purchase
2024-12-3113GACLARIS THERAPEUTICS INC
ACRS
Adage Capital Management, L.P.9,627,304
9.000%
9,627,304increase
(New Position)
Filing
History
2024-11-25
11:02 am
Purchase
2024-11-1813GACLARIS THERAPEUTICS INC
ACRS
Biosion Inc.11,281,985
9.500%
11,281,985increase
(New Position)
Filing
History
2024-11-22
4:00 pm
Purchase
2024-11-1813GACLARIS THERAPEUTICS INC
ACRS
Rock Springs Capital Management LP6,761,861
6.320%
3,763,366increase
(+125.51%)
Filing
History
2024-11-21
4:51 pm
Purchase
2024-11-1913GACLARIS THERAPEUTICS INC
ACRS
Vivo Opportunity Fund Holdings, L.P.7,955,160
7.400%
7,955,160increase
(New Position)
Filing
History
2024-11-14
4:14 pm
Sale
2024-09-3013GACLARIS THERAPEUTICS INC
ACRS
Citadel Advisors LLC368,067
0.500%
-5,038,022decrease
(-93.19%)
Filing
History
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