Updated Jul 16, 2026 · Last SEC filing 2026-07-01
Axsome Therapeutics, Inc. (AXSM) has filed 19 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-01. 7 Form 8-K material event filings were reported by AXSM in the last 90 days. 15 Form 144 notices of proposed sale were filed for AXSM stock. InsiderAlpha tracks every AXSM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Pharmaceutical Preparations (SIC 2834) |
|---|---|
| SEC CIK | 0001579428 |
| Form 4 filings (90d) | 19 |
|---|---|
| Form 8-K filings (90d) | 7 |
| Form 144 notices (90d) | 15 |
| Latest Form 4 filing | 2026-07-01 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| TABUTEAU HERRIOT | Chief Executive Officer | S — Open-market sale | 49.7K | $240.25 | $11.93M | SEC | |
| TABUTEAU HERRIOT | Chief Executive Officer | M — Option exercise | 49.7K | $4.95 | $246K | SEC | |
| JEFFS ROGER | Insider | S — Open-market sale | 286 | $249.12 | $71K | SEC | |
| Coleman Mark | Insider | S — Open-market sale | 643 | $249.00 | $160K | SEC | |
| Mahony Susan | Insider | S — Open-market sale | 300 | $246.18 | $74K | SEC | |
| JEFFS ROGER | Insider | S — Open-market sale | 286 | $246.18 | $70K | SEC | |
| TABUTEAU HERRIOT | Chief Executive Officer | S — Open-market sale | 49.7K | $241.01 | $11.97M | SEC | |
| TABUTEAU HERRIOT | Chief Executive Officer | M — Option exercise | 49.7K | $4.95 | $246K | SEC | |
| Pizzie Nick | Chief Financial Officer | S — Open-market sale | 33.0K | $240.09 | $7.92M | SEC | |
| Mahony Susan | Insider | S — Open-market sale | 300 | $237.21 | $71K | SEC | |
| Pizzie Nick | Chief Financial Officer | M — Option exercise | 33.0K | $3.50 | $116K | SEC | |
| Coleman Mark | Insider | M — Option exercise | 1.4K | — | — | SEC | |
| Mahony Susan | Insider | M — Option exercise | 1.4K | — | — | SEC | |
| Saad Mark E | Insider | M — Option exercise | 1.4K | — | — | SEC | |
| JEFFS ROGER | Insider | M — Option exercise | 1.4K | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Axsome Therapeutics, Inc. (AXSM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| TABUTEAU HERRIOT | 7 | $24.39M |
| Coleman Mark | 7 | $4.18M |
| Jacobson Mark L. | 7 | $1.14M |
| Mahony Susan | 5 | $145K |
| JEFFS ROGER | 5 | $142K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in AXSM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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