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Aclaris Therapeutics, Inc.

ACRS
Healthcare|Biotechnology|US
$3.90
+0.29 (+8.03%)
Tangible Book / Share
$1.12
Cash / Share
$0.76

Ownership Breakdown

75.4%
Float
147.2M
Shares Outstanding
111.1M
Float Shares

Major Holders (40)

Combined: 166.4%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
BML Investment Partners, L.P.Partnership9.90%13,950,000Apr 27, 202613D/G
Bonita Biotech (HK) LtdCorporation9.40%11,281,950Jan 9, 202613D/G
Biosion, Inc.Corporation9.40%11,281,950Jan 9, 202613D/G
RA Capital Management, L.P.IA, PN9.10%12,723,026Aug 14, 202613D/G
RA Capital Healthcare Fund, L.P.Partnership9.10%12,723,026Aug 14, 202613D/G
Rajeev ShahHC, IN9.10%12,723,026Aug 14, 202613D/G
Peter KolchinskyHC, IN9.10%12,723,026Aug 14, 202613D/G
Deep Track Capital, LPIA, OO7.00%9,345,000Mar 17, 202613D/G
Deep Track Biotechnology Master Fund, Ltd.Corporation7.00%9,345,000Mar 17, 202613D/G
David KroinHC, IN7.00%9,345,000Mar 17, 202613D/G
BlackRock, Inc.Holding company6.20%6,700,629Jan 21, 202613D/G
FHMLSP, L.P.Partnership5.40%7,879,943Sep 21, 202613D/G
FHMLSP, L.L.C.Other5.40%7,879,943Sep 21, 202613D/G
Frazier Life Sciences Public Fund, L.P.Partnership5.40%7,879,943Sep 21, 202613D/G
Phillip GrossHC, IN4.87%5,278,144Nov 13, 202513D/G
Robert AtchinsonHC, IN4.87%5,278,144Nov 13, 202513D/G
Adage Capital Management, L.P.IA, PN4.87%5,278,144Nov 13, 202513D/G
Kris JennerHC, IN4.70%5,046,309May 15, 202513D/G
Rock Springs Capital LLCHC, OO4.70%5,046,309May 15, 202513D/G
Rock Springs Capital Management LPInvestment adviser4.70%5,046,309May 15, 202513D/G
Mark BussardHC, IN4.70%5,046,309May 15, 202513D/G
Vivo Opportunity Fund Holdings, L.P.Partnership4.30%5,966,370May 12, 202613D/G
Vivo Opportunity, LLCOther4.30%5,966,370May 12, 202613D/G
Millennium Management LLCOther3.50%3,837,380Jul 24, 202513D/G
Millennium Group Management LLCOther3.50%3,837,380Jul 24, 202513D/G
Israel A. EnglanderIndividual3.50%3,837,380Jul 24, 202513D/G
Vivo Asia Opportunity Fund Holdings, L.P.Partnership0.90%933,728Nov 21, 202413D/G
Frazier Life Sciences XII, L.P.Partnership0.50%762,663Sep 21, 202613D/G
FHMLS Xii, L.L.C.Other0.50%762,663Sep 21, 202613D/G
FHMLS Xii, L.P.Partnership0.50%762,663Sep 21, 202613D/G
Vivo Opportunity Cayman Fund, L.P.Partnership0.50%700,296May 12, 202613D/G
Vivo Opportunity Cayman, LLCOther0.50%700,296May 12, 202613D/G
Kenneth GriffinHC, IN0.50%368,067Nov 14, 202413D/G
Citadel Advisors LLCIA, HC, OO0.30%236,249Nov 14, 202413D/G
Citadel GP LLCHC, OO0.30%236,249Nov 14, 202413D/G
Citadel Advisors Holdings LPHC, PN0.30%236,249Nov 14, 202413D/G
Citadel Securities GP LLCHC, OO0.20%131,818Nov 14, 202413D/G
Citadel Securities Group LPHC, PN0.20%131,818Nov 14, 202413D/G
Frazier Life Sciences XI, L.P.Partnership0.10%86,910Sep 21, 202613D/G
FHMLS XI, L.L.C.Other0.10%86,910Sep 21, 202613D/G

Insider Trades (100)

Last 4 quarters: 5,526,597 acquired · 595,740 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Kolbeck Roland WilhelmChief Scientific OfficerAug 1, 2026OPTION EX.36,375——Form 4
Kolbeck Roland WilhelmChief Scientific OfficerAug 1, 2026OPTION EX.36,375——Form 4
Kolbeck Roland WilhelmChief Scientific OfficerAug 1, 2026TAX W/H12,385$5.20$64.4KForm 4
Mehra AnanddirectorJun 5, 2026OPTION EX.11,580——Form 4
SCHIFF ANDREW NdirectorJun 4, 2026AWARD42,350$4.71$199.5KForm 4
Mehra AnanddirectorJun 4, 2026AWARD42,350$4.71$199.5KForm 4
SCHIFF ANDREW NdirectorJun 5, 2026OPTION EX.11,580——Form 4
Mehra AnanddirectorJun 4, 2026AWARD10,987——Form 4
SCHIFF ANDREW NdirectorJun 4, 2026AWARD10,987——Form 4
Mehra AnanddirectorJun 5, 2026OPTION EX.11,580——Form 4
SCHIFF ANDREW NdirectorJun 5, 2026OPTION EX.11,580——Form 4
Molineaux Christopher P.directorJun 5, 2026OPTION EX.11,580——Form 4
Humphries William D.directorJun 5, 2026OPTION EX.11,580——Form 4
Humphries William D.directorJun 4, 2026AWARD42,350$4.71$199.5KForm 4
Molineaux Christopher P.directorJun 4, 2026AWARD42,350$4.71$199.5KForm 4
Molineaux Christopher P.directorJun 4, 2026AWARD10,987——Form 4
Humphries William D.directorJun 4, 2026AWARD10,987——Form 4
Humphries William D.directorJun 5, 2026OPTION EX.11,580——Form 4
Molineaux Christopher P.directorJun 5, 2026OPTION EX.11,580——Form 4
MILANO VINCENTdirectorJun 4, 2026AWARD42,350$4.71$199.5KForm 4
MILANO VINCENTdirectorJun 5, 2026OPTION EX.11,580——Form 4
MILANO VINCENTdirectorJun 4, 2026AWARD10,987——Form 4
MILANO VINCENTdirectorJun 5, 2026OPTION EX.11,580——Form 4
GOWEN MAXINEdirectorJun 4, 2026AWARD42,350$4.71$199.5KForm 4
GOWEN MAXINEdirectorJun 5, 2026OPTION EX.11,580——Form 4
GOWEN MAXINEdirectorJun 4, 2026AWARD10,987——Form 4
GOWEN MAXINEdirectorJun 5, 2026OPTION EX.11,580——Form 4
Hall Jesse WayneChief Medical OfficerMay 1, 2026OPTION EX.36,375——Form 4
Hall Jesse WayneChief Medical OfficerMay 1, 2026OPTION EX.36,375——Form 4
Hall Jesse WayneChief Medical OfficerMay 1, 2026TAX W/H9,330$4.41$41.1KForm 4
Leonard Braden Michael10 percent ownerApr 23, 2026SELL300,000$4.53$1.4MForm 4
Balthaser KevinChief Financial OfficerMar 1, 2026OPTION EX.2,375——Form 4
Balthaser KevinChief Financial OfficerMar 1, 2026TAX W/H677$2.87$1.9KForm 4
Balthaser KevinChief Financial OfficerMar 1, 2026OPTION EX.2,375——Form 4
Walker Nealdirector, officer: CEOFeb 2, 2026AWARD961,700$3.61$3.5MForm 4
Walker Nealdirector, officer: CEOFeb 2, 2026AWARD274,800——Form 4
Davis Hugh M.director, officer: President and COOFeb 2, 2026AWARD336,300$3.61$1.2MForm 4
Davis Hugh M.director, officer: President and COOFeb 2, 2026AWARD96,100——Form 4
Kolbeck Roland WilhelmChief Scientific OfficerFeb 2, 2026AWARD334,900$3.61$1.2MForm 4
Kolbeck Roland WilhelmChief Scientific OfficerFeb 2, 2026AWARD95,700——Form 4
Hall Jesse WayneChief Medical OfficerFeb 2, 2026AWARD343,300$3.61$1.2MForm 4
Hall Jesse WayneChief Medical OfficerFeb 2, 2026AWARD98,100——Form 4
Loerop JamesChief Business OfficerFeb 2, 2026AWARD341,900$3.61$1.2MForm 4
Loerop JamesChief Business OfficerFeb 2, 2026AWARD97,700——Form 4
Balthaser KevinChief Financial OfficerFeb 2, 2026AWARD346,800$3.61$1.3MForm 4
Balthaser KevinChief Financial OfficerFeb 2, 2026AWARD99,100——Form 4
Loerop JamesChief Business OfficerFeb 3, 2026OPTION EX.20,875——Form 4
Loerop JamesChief Business OfficerFeb 3, 2026TAX W/H5,937$3.47$20.6KForm 4
Loerop JamesChief Business OfficerFeb 3, 2026OPTION EX.20,875——Form 4
Walker Nealdirector, officer: CEOFeb 3, 2026OPTION EX.63,475——Form 4
Walker Nealdirector, officer: CEOFeb 3, 2026TAX W/H18,611$3.47$64.6KForm 4
Walker Nealdirector, officer: CEOFeb 3, 2026OPTION EX.63,475——Form 4
Davis Hugh M.director, officer: President and COOFeb 3, 2026OPTION EX.18,675——Form 4
Davis Hugh M.director, officer: President and COOFeb 3, 2026OPTION EX.18,675——Form 4
Balthaser KevinChief Financial OfficerFeb 3, 2026OPTION EX.22,025——Form 4
Balthaser KevinChief Financial OfficerFeb 3, 2026TAX W/H6,449$3.47$22.4KForm 4
Balthaser KevinChief Financial OfficerFeb 3, 2026OPTION EX.22,025——Form 4
Loerop JamesChief Business OfficerFeb 1, 2026OPTION EX.14,750——Form 4
Loerop JamesChief Business OfficerFeb 1, 2026TAX W/H10,686$3.51$37.5KForm 4
Loerop JamesChief Business OfficerFeb 1, 2026OPTION EX.7,500——Form 4
Loerop JamesChief Business OfficerFeb 1, 2026OPTION EX.11,250——Form 4
Loerop JamesChief Business OfficerFeb 1, 2026OPTION EX.14,750——Form 4
Loerop JamesChief Business OfficerFeb 1, 2026OPTION EX.7,500——Form 4
Loerop JamesChief Business OfficerFeb 1, 2026OPTION EX.11,250——Form 4
Balthaser KevinChief Financial OfficerFeb 1, 2026OPTION EX.14,750——Form 4
Balthaser KevinChief Financial OfficerFeb 1, 2026TAX W/H4,984$3.51$17.5KForm 4
Balthaser KevinChief Financial OfficerFeb 1, 2026OPTION EX.14,750——Form 4
Loerop JamesChief Business OfficerFeb 1, 2025TAX W/H15,980$2.48$39.6KForm 4
Walker Nealdirector, officer: CEOJan 2, 2026OPTION EX.29,150——Form 4
Walker Nealdirector, officer: CEOJan 2, 2026TAX W/H9,952$2.88$28.7KForm 4
Walker Nealdirector, officer: CEOJan 2, 2026OPTION EX.29,150——Form 4
Loerop JamesChief Business OfficerDec 31, 2025OPTION EX.73,750——Form 4
Loerop JamesChief Business OfficerJan 2, 2026OPTION EX.18,150——Form 4
Loerop JamesChief Business OfficerJan 2, 2026TAX W/H6,171$2.88$17.8KForm 4
Loerop JamesChief Business OfficerDec 31, 2025TAX W/H33,994$3.01$102.3KForm 4
Loerop JamesChief Business OfficerJan 2, 2026OPTION EX.18,150——Form 4
Loerop JamesChief Business OfficerDec 31, 2025OPTION EX.73,750——Form 4
Balthaser KevinChief Financial OfficerDec 31, 2025OPTION EX.73,750——Form 4
Balthaser KevinChief Financial OfficerJan 2, 2026OPTION EX.13,200——Form 4
Balthaser KevinChief Financial OfficerJan 2, 2026TAX W/H4,461$2.88$12.8KForm 4
Balthaser KevinChief Financial OfficerJan 1, 2026OPTION EX.7,500——Form 4
Balthaser KevinChief Financial OfficerJan 1, 2026TAX W/H2,250$3.01$6.8KForm 4
Balthaser KevinChief Financial OfficerDec 31, 2025TAX W/H19,934$3.01$60.0KForm 4
Balthaser KevinChief Financial OfficerJan 2, 2026OPTION EX.13,200——Form 4
Balthaser KevinChief Financial OfficerJan 1, 2026OPTION EX.7,500——Form 4
Balthaser KevinChief Financial OfficerDec 31, 2025OPTION EX.73,750——Form 4
Davis Hugh M.director, officer: President and COODec 2, 2025OPTION EX.26,750——Form 4
Davis Hugh M.director, officer: President and COODec 2, 2025OPTION EX.26,750——Form 4
Kolbeck Roland WilhelmChief Scientific OfficerAug 1, 2025AWARD510,000$1.53$780.3KForm 4
Kolbeck Roland WilhelmChief Scientific OfficerAug 1, 2025AWARD145,500——Form 4
Kolbeck Roland WilhelmJul 28, 2025OTHER0——Form 4
SCHIFF ANDREW NdirectorJun 5, 2025AWARD42,350$1.56$66.1KForm 4
SCHIFF ANDREW NdirectorJun 6, 2025OPTION EX.4,793——Form 4
SCHIFF ANDREW NdirectorJun 5, 2025AWARD11,580——Form 4
SCHIFF ANDREW NdirectorJun 6, 2025OPTION EX.4,793——Form 4
MILANO VINCENTdirectorJun 5, 2025AWARD42,350$1.56$66.1KForm 4
MILANO VINCENTdirectorJun 6, 2025OPTION EX.4,793——Form 4
MILANO VINCENTdirectorJun 5, 2025AWARD11,580——Form 4
MILANO VINCENTdirectorJun 6, 2025OPTION EX.4,793——Form 4
Mehra AnanddirectorJun 6, 2025OPTION EX.4,793——Form 4