As of April 17, 2026, the three largest insider holders of AXSM are Mark Coleman (Director, 403.86K shares), Mark Coleman (Director, 47.14K shares), Nick Pizzie (Chief Financial Officer, 42.59K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Mark Coleman | - | 0 | 403,856 | 15 Sep, 2023 |
| Mark Coleman | - | 47,140 | 0 | 27 Feb, 2026 |
| Nick Pizzie | Chief Financial Officer | 42,588 | 0 | 23 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 |
| 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 |
|---|---|---|---|---|---|---|---|---|
| 26 Feb, 2026 | Mark L. Jacobson | Common Stock | A | 35,378 | $2.85 | 35,378 | D | M |
| 26 Feb, 2026 | Mark L. Jacobson | Restricted Stock Units | A | 19,663 | $0.00 | 19,663 | D | A |
| 26 Feb, 2026 | Ari Maizel | Restricted Stock Units | A | 16,385 | $0.00 | 16,385 | D | A |
| 26 Feb, 2026 | Hunter R. Murdock | Restricted Stock Units | A | 16,385 | $0.00 | 16,385 | D | A |
| 26 Feb, 2026 | Herriot Tabuteau | Restricted Stock Units | A | 54,623 | $0.00 | 54,623 | D | A |
| 26 Feb, 2026 | Mark Coleman | Common Stock | D | 25,000 | $161.11 | 47,140 | D | S |
| 26 Feb, 2026 | Nick Pizzie | Restricted Stock Units | A | 18,570 | $0.00 | 18,570 | D | A |
| 26 Feb, 2026 | Mark L. Jacobson | Common Stock | D | 35,378 | $161.88 | 0 | D | S |
| 26 Feb, 2026 | Mark L. Jacobson | Stock Option (Right to Buy) | D | 35,378 | $0.00 | 0 | D | M |
| 23 Feb, 2026 | Mark Coleman | Common Stock | A | 6,250 | $4.95 | 72,140 | D | M |
| 23 Feb, 2026 | Mark Coleman | Stock Option (Right to Buy) | D | 6,250 | $0.00 | 7,721 | D | M |
| 20 Feb, 2026 | Mark Coleman | Common Stock | A | 12,485 | $4.95 | 65,890 | D | M |
| 20 Feb, 2026 | Mark Coleman | Stock Option (Right to Buy) | D | 12,485 | $0.00 | 13,971 | D | M |
| 10 Feb, 2026 | Mark Coleman | Common Stock | A | 5,193 | $8.02 | 53,405 | D | M |
| 10 Feb, 2026 | Mark Coleman | Stock Option (Right to Buy) | D | 5,193 | $0.00 | 0 | D | M |
| 02 Feb, 2026 | Herriot Tabuteau | Common Stock | A | 32,410 | $8.02 | 39,639 | D | M |
| 02 Feb, 2026 | Herriot Tabuteau | Common Stock | D | 32,410 | $185.60 | 7,229 | D | S |
| 02 Feb, 2026 | Herriot Tabuteau | Stock Option (Right to Buy) | D | 32,410 | $0.00 | 0 | D | M |
| 21 Jan, 2026 | Ari Maizel | Common Stock | A | 7,500 | $70.73 | 7,500 | D | M |
| 22 Jan, 2026 | Nick Pizzie | Common Stock | A | 12,000 | $3.50 | 54,588 | D | M |