Figures computed from official regulatory filings — .
Analysttarget 10.5 USD (+146%)
Ownershipinsiders 2.18% · institutions 84.01% · short 12.4% of float
In USD · as of Oct 5, 2026
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Aclaris Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the discovering and developing novel molecule product candidates for immuno-inflammatory diseases in the United States. The company product pipeline includes Bosakitug (ATI-045), an anti-thymic stromal lymphopoietin monoclonal antibody in Phase 2 trial to treat moderate to severe atopic dermatitis, asthma, chronic rhinosinusitis with nasal polyps, and moderate to severe chronic obstructive pulmonary disease; ATI-2138, an potent and selective novel investigational dual inhibitor of ITK and JAK3 in Phase 2a trial for the treatment for T cell-mediated autoimmune diseases; ATI-052, a humanized anti-TSLP and anti-IL4R bispecific antibody in Phase 1b to treat various atopic, immunologic, and respiratory diseases; ATI-9494, an oral, covalent, investigational dual inhibitor of ITK and Resting Lymphocyte Kinase (TXK), and other covalent JAK-sparing ITK inhibitors to treat modulate T cell biology across various diseases; and Lepzacitinib, a soft JAK 1/3 inhibitor for the treatment of atopic dermatitis and other dermatologic conditions. Aclaris Therapeutics, Inc. was incorporated in 2012 and is headquartered in Wayne, Pennsylvania.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
66 buys117 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Kolbeck Roland Wilhelm | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Kolbeck Roland Wilhelm | Other | $64.4K | SEC |
| Kolbeck Roland Wilhelm | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| GOWEN MAXINEtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SCHIFF ANDREW Ntrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MILANO VINCENTtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| GOWEN MAXINEtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SCHIFF ANDREW Ntrack record | Exercise | n/a (No price was disclosed in the filing) | SEC |
| MILANO VINCENTtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Humphries William D. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Humphries William D. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SCHIFF ANDREW Ntrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| GOWEN MAXINEtrack record | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Mehra Anandtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mehra Anandtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| GOWEN MAXINEtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Molineaux Christopher P. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SCHIFF ANDREW Ntrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Molineaux Christopher P. | Exercise | n/a (No price was disclosed in the filing) | SEC |
| MILANO VINCENTtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Humphries William D. | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Molineaux Christopher P. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mehra Anandtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mehra Anandtrack record | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Humphries William D. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |