Timing
Stock, pipeline and biotech catalyst intelligence
Reported ownership activity
Activity signal
No open-market purchases versus $834.7K 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 |
|---|---|---|---|---|---|---|---|---|
| Mayo Stephen | Director | Mar 12 '26 | Sale | $17.02 | 7,239 | $123,208 | 1,765 | Mar 13 08:03 PM |
Company profile
Sarepta Therapeutics, Inc., a commercial-stage biopharmaceutical company, focuses on the discovery and development of RNA-targeted therapeutics, siRNA platform, gene therapy, and other genetic therapeutic modalities for the treatment of rare diseases. It offers EXONDYS 51 for the treatment of Duchenne in patients who have a confirmed mutation of the dystrophin gene that is amenable to exon 51 skipping; VYONDYS 53 for the treatment of Duchenne in patients who have a confirmed mutation of the dystrophin gene that is amenable to exon 53 skipping; AMONDYS 45 for the treatment of Duchenne in patients who have a confirmed mutation of the dystrophin gene that is amenable to exon 45 skipping; and ELEVIDYS, an AAV-based gene therapy, which is contraindicated in patients with any deletion in exon 8 and/or exon 9 in the Duchenne gene. The company also develops SRP-9003, a gene therapy program for the treatment of LGMD2E; SRP-1001 to selectively target and knockdown DUX4 using RNAi in Phase 1/2a clinical trials; and SRP-1003 for reduction of expression of the DMPK gene in Phase 1/2a clinical trials. It has collaboration and license agreements with F. Hoffman-La Roche Ltd; Arrowhead Pharmaceuticals, Inc.; University of Western Australia; Nationwide Children's Hospital; Hansa Biopharma; and Duke University. The company was incorporated in 1980 and is headquartered in Cambridge, Massachusetts.
Company profile supplied by Yahoo Finance. Catalyst dates can change and should be confirmed against the linked primary source.
Page updated Aug 21, 2026 · Yahoo quotes cached for one minute; reference data may be used when a live field is unavailable.
| Stephen Mayo | Director | Mar 12 '26 | Proposed Sale | $17.02 | 7,239 | $123,175 | — | Mar 12 04:27 PM |
| Estepan Ian Michael | Chief Operating Officer | Feb 26 '26 | Option Exercise | $13.71 | 7,450 | $102,140 | 200,750 | Mar 02 08:00 AM |
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.