Axsome Therapeutics, Inc. (AXSM) Insider Ownership

Historic Insider Ownership Trends

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).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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