Updated Jul 16, 2026
Jacobson Mark L. has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $13.21M.
Mark L. Jacobson is the Chief Operating Officer at Axsome Therapeutics, Inc., a clinical-stage biopharmaceutical company focused on developing therapies for central nervous system disorders. He has been involved in the company's operations as it advances its pipeline of novel treatments.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-06 | AXSM | Axsome Therapeutics, Inc. | S — Open-market sale | 233 | $228.18 | $53K |
| 2026-05-06 | AXSM | Axsome Therapeutics, Inc. | M — Option exercise | 233 | $12.95 | $3K |
| 2026-05-06 | AXSM | Axsome Therapeutics, Inc. | S — Open-market sale | 4.5K | $227.94 | $1.03M |
| 2026-05-06 | AXSM | Axsome Therapeutics, Inc. | M — Option exercise | 4.5K | $12.95 | $58K |
| 2026-02-28 | AXSM | Axsome Therapeutics, Inc. | S — Open-market sale [10b5-1] | 35.4K | $161.88 | $5.73M |
| 2026-02-28 | AXSM | Axsome Therapeutics, Inc. | M — Option exercise [10b5-1] | 35.4K | $2.85 | $101K |
| 2025-09-22 | AXSM | Axsome Therapeutics, Inc. | S — Open-market sale | 10.0K | $115.96 | $1.16M |
| 2025-09-22 | AXSM | Axsome Therapeutics, Inc. | M — Option exercise | 10.0K | $2.85 | $28K |
| 2025-09-16 | AXSM | Axsome Therapeutics, Inc. | S — Open-market sale | 40.0K | $114.23 | $4.57M |
| 2025-09-16 | AXSM | Axsome Therapeutics, Inc. | M — Option exercise | 15.0K | $4.85 | $73K |
| 2025-09-16 | AXSM | Axsome Therapeutics, Inc. | M — Option exercise | 25.0K | $4.95 | $124K |
| 2025-09-16 | AXSM | Axsome Therapeutics, Inc. | S — Open-market sale | 5.8K | $116.19 | $672K |
Mark L. Jacobson is the Chief Operating Officer at Axsome Therapeutics, Inc., a clinical-stage biopharmaceutical company focused on developing therapies for central nervous system disorders. He has been involved in the company's operations as it advances its pipeline of novel treatments.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 6 open-market sales ($13.21M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Jacobson Mark L. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.