Axsome Therapeutics's three largest insider shareholders as of May 14, 2026 are Mark Coleman (Director, 403.86K shares), Mark Coleman (Director, 403.86K shares), Roger Jeffs (Director, 57.51K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Mark Coleman | - | 0 | 403,856 | 15 Sep, 2023 |
| Mark Coleman | - | 0 | 403,856 | 15 Sep, 2023 |
| Roger Jeffs | - | 57,510 | 0 | 02 Sep, 2025 |
| Mark Coleman | - | 47,140 | 0 | 27 Feb, 2026 |
| Mark Coleman | - | 47,140 | 0 | 27 Feb, 2026 |
| Nick Pizzie | Chief Financial Officer | 42,588 | 0 | 23 Jan, 2026 |
| Nick Pizzie | Chief Financial Officer | 42,588 | 0 | 23 Jan, 2026 |
| Mark E Saad | - | 10,002 | 0 | 02 Jan, 2026 |
| Mark E Saad | - | 10,002 | 0 | 02 Jan, 2026 |
| Herriot Tabuteau | Chief Executive Officer | 7,229 | 0 | 02 Feb, 2026 |
| Nick Pizzie | Chief Financial Officer | 0 | 142 | 22 Nov, 2021 |
| Nick Pizzie | Chief Financial Officer | 0 | 142 | 22 Nov, 2021 |
| Mark E Saad | - | 0 | 100 | 19 Nov, 2021 |
| Mark E Saad | - | 0 | 100 | 19 Nov, 2021 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 22 Apr, 2026 | Ari Maizel | Common Stock | A | 7,500 | $70.73 | 7,500 | D | M |
| 21 Apr, 2026 | Mark L. Jacobson | Performance Stock Units | A | 8,669 | $0.00 | 8,669 | D | A |
| 22 Apr, 2026 | Ari Maizel | Common Stock | A | 7,500 | $70.73 | 7,500 | D | M |
| 21 Apr, 2026 | Herriot Tabuteau | Performance Stock Units | A | 24,081 | $0.00 | 24,081 | D | A |
| 21 Apr, 2026 | Mark L. Jacobson | Performance Stock Units | A | 8,669 | $0.00 | 8,669 | D | A |
| 21 Apr, 2026 | Nick Pizzie | Performance Stock Units | A | 8,188 | $0.00 | 8,188 | D | A |
| 21 Apr, 2026 | Herriot Tabuteau | Performance Stock Units | A | 24,081 | $0.00 | 24,081 | D | A |
| 21 Apr, 2026 | Nick Pizzie | Performance Stock Units | A | 8,188 | $0.00 | 8,188 | D | A |
| 21 Apr, 2026 | Hunter R. Murdock | Performance Stock Units | A | 7,224 | $0.00 | 7,224 | D | A |
| 21 Apr, 2026 | Ari Maizel | Performance Stock Units | A | 7,224 | $0.00 | 7,224 | D | A |
| 22 Apr, 2026 | Ari Maizel | Common Stock | A | 7,500 | $70.73 | 7,500 | D | M |
| 21 Apr, 2026 | Mark L. Jacobson | Performance Stock Units | A | 8,669 | $0.00 | 8,669 | D | A |
| 21 Apr, 2026 | Hunter R. Murdock | Performance Stock Units | A | 7,224 | $0.00 | 7,224 | D | A |
| 21 Apr, 2026 | Ari Maizel | Performance Stock Units | A | 7,224 | $0.00 | 7,224 | D | A |
| 21 Apr, 2026 | Herriot Tabuteau | Performance Stock Units | A | 24,081 | $0.00 | 24,081 | D | A |
| 21 Apr, 2026 | Nick Pizzie | Performance Stock Units | A | 8,188 | $0.00 | 8,188 | D | A |
| 21 Apr, 2026 | Hunter R. Murdock | Performance Stock Units | A | 7,224 | $0.00 | 7,224 | D | A |
| 21 Apr, 2026 | Ari Maizel | Performance Stock Units | A | 7,224 | $0.00 | 7,224 | D | A |
| 21 Apr, 2026 | Mark L. Jacobson | Performance Stock Units | A | 8,669 | $0.00 | 8,669 | D | A |
| 21 Apr, 2026 | Ari Maizel | Performance Stock Units | A | 7,224 | $0.00 | 7,224 | D | A |