Aclaris Therapeutics Inc. (ACRS) - Insider Holders & Insider Ownership

List of insiders holdings for Aclaris Therapeutics Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not 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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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1Leonard Braden Michael
10% Owner		2026-04-27 19:27:010
13,950,000		13,950,000Form 4
2Biosion Inc.
10% Owner		2024-11-25 11:03:1811,281,985
0		11,281,985Form 3
3RA CAPITAL MANAGEMENT LLC
Kolchinsky Peter
RA Capital Healthcare Fund LP
10% Owner		2026-04-07 17:59:557,626,705
0		7,626,705Form 13G
4Foresite Capital Management III LLC
Foresite Capital Fund III L.P.
Foresite Capital Management IV LLC
Foresite Capital Fund IV L.P.
Foresite Capital Management V LLC
Foresite Capital Fund V L.P.
Tananbaum James B.
10% Owner		2022-02-11 15:12:534,657,277
0		4,657,277Form 13G
5VIVO VENTURES VII LLC
Vivo Ventures Fund VII L.P.
Vivo Ventures VII Affiliates Fund L.P.
10% Owner		2019-02-14 15:35:521,647,214
0		1,647,214Form 13D
6Sofinnova Venture Partners VIII L.P.
Sofinnova Management VIII L.L.C.
HEALY JAMES
AKKARAJU SRINIVAS
POWELL MICHAEL
10% Owner		2018-02-14 13:58:261,552,112
0		1,552,112Form 13D
7Walker Neal
CEO		2026-02-06 18:10:281,236,500
0		1,236,500Form 4
8Mehra Anand
Director		2026-06-08 16:15:16779,740
0		779,740Form 4
9Tullman Stephen A.
Director		2018-10-05 16:37:31177,457
394,014		571,471Form 4
10SCHIFF ANDREW N
Director		2026-06-08 16:15:1678,877
434,455		513,332Form 4
11Loerop James
Chief Business Officer		2026-02-06 18:02:58439,600
0		439,600Form 4
12Davis Hugh M.
President and COO		2026-02-06 18:08:08432,400
0		432,400Form 4
13Powala Christopher
Chief Reg & Develop Officer		2019-02-05 18:33:25151,929
130,434		282,363Form 4
14Monahan Joseph
Chief Scientific Officer		2025-03-04 16:15:14276,587
193		276,780Form 4
15FMR LLC
See Remark 1		2020-02-07 11:12:21205,984
0		205,984Form 13G
16Ruffo Frank
Chief Financial Officer		2022-03-14 16:56:19201,883
0		201,883Form 4
17Balthaser Kevin
Chief Financial Officer		2026-03-03 16:10:13187,453
0		187,453Form 4
18Ali-Jackson Kamil
Chief Legal Officer		2022-01-05 16:33:56160,214
0		160,214Form 4
19Gordon David N.
Chief Medical Officer		2021-07-14 17:32:17147,447
0		147,447Form 4
20Hall Jesse Wayne
Chief Medical Officer		2026-05-05 16:15:15136,170
0		136,170Form 4
21Kolbeck Roland Wilhelm
Chief Scientific Officer		2026-08-04 17:03:20133,115
0		133,115Form 4
22Molineaux Christopher P.
Director		2026-06-08 16:15:14122,873
0		122,873Form 4
23Manion Douglas J.
Pres and CEO		2024-01-03 16:44:56122,813
0		122,813Form 4
24Humphries William D.
Director		2026-06-08 16:15:1498,442
0		98,442Form 4
25GOWEN MAXINE
Director		2026-06-08 16:15:0686,671
0		86,671Form 4
26MILANO VINCENT
Director		2026-06-08 16:15:1282,233
0		82,233Form 4
27Shanler Stuart
Chief Scientific Officer		2019-03-04 18:09:2682,200
0		82,200Form 4
28Cawkwell Gail
Chief Medical Officer		2023-07-05 16:23:2554,593
0		54,593Form 4
29Powell Andrew Kenneth William
Director		2024-06-04 16:30:2133,523
0		33,523Form 4
30Reasons Bryan M.
Director		2024-06-04 16:30:2228,732
0		28,732Form 4
31Fair Brett
Chief Commercial Officer		2019-02-05 18:30:0522,207
0		22,207Form 4
32Bierly Rick
Director		2017-06-16 19:46:588,000
0		8,000Form 4
33CHA ALBERT
Director		2016-07-01 16:17:176,632
0		6,632Form 4
34Flynn James E
Deerfield Mgmt L.P.
DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C)
Deerfield Special Situations Fund L.P.
DEERFIELD PARTNERS L.P.
10% Owner		2020-02-13 12:36:570
0		0Form 13G