Timing
Stock, pipeline and biotech catalyst intelligence
Reported ownership activity
Activity signal
No open-market purchases versus $1.4M in reported salesOption exercises, awards, and grants are separated from open-market direction.Timing
Composition
Concentration
| Insider trading | Relationship | Date | Transaction | Cost | Shares | Value | Shares total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| Leonard Braden Michael | 10% Owner | Apr 23 '26 | Sale | $4.53 | 300,000 | $1,359,000 | 13,950,000 | Apr 27 07:27 PM |
Transactions may include sales, purchases, grants, and option exercises. Directional charts count only purchases and sales; follow the Form 4 link to verify the original SEC filing.
Company profile
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.
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