Herriot Tabuteau Insider Trading Activity
Herriot Tabuteau has been net-selling over the last 12 months with 0 purchases and 16 sales across 1 company.
AXSM is the most-traded position with 16 trades. The largest single transaction was a sale of AXSM for $13.5M on Jan 5, 2026.
Performance Scorecard
Forward stock performance after each transaction by Herriot Tabuteau. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -10.7% | 6% | 16 |
| 90 days | — | -23.9% | 19% | 16 |
| 120 days | — | -34.1% | 0% | 16 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersAXSM · Axsome Therapeutics, Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Feb 2, 2026 | AXSM | Sell | 32,410 | $185.60 | $6.0M | −81.8% | CEO | |
Jan 7, 2026 | AXSM | Sell | 31,261 | $170.38 | $5.3M | −81.2% | CEO | |
Jan 6, 2026 | AXSM | Sell | 29,450 | $172.33 | $5.1M | −80.3% | CEO | |
Jan 5, 2026 | AXSM | Sell | 78,703 | $171.28 | $13.5M | −91.6% | CEO | |
Dec 4, 2025 | AXSM | Sell | 10,558 | $148.18 | $1.6M | −59.4% | CEO | |
Dec 3, 2025 | AXSM | Sell | 20,163 | $146.94 | $3.0M | −73.6% | CEO | |
Dec 2, 2025 | AXSM | Sell | 49,252 | $144.59 | $7.1M | −87.2% | CEO | |
Nov 5, 2025 | AXSM | Sell | 21,775 | $134.49 | $2.9M | −75.1% | CEO | |
Nov 4, 2025 | AXSM | Sell | 50,459 | $133.79 | $6.8M | −87.5% | CEO | |
Nov 3, 2025 | AXSM | Sell | 91,705 | $132.34 | $12.1M | −92.7% | CEO | |
Oct 8, 2025 | AXSM | Sell | 12,774 | $118.84 | $1.5M | −63.9% | CEO | |
Oct 7, 2025 | AXSM | Sell | 13,390 | $118.77 | $1.6M | −64.9% | CEO | |
Oct 6, 2025 | AXSM | Sell | 19,220 | $120.17 | $2.3M | −72.7% | CEO | |
Sep 16, 2025 | AXSM | Sell | 19,719 | $114.19 | $2.3M | −73.2% | CEO | |
Sep 15, 2025 | AXSM | Sell | 15,254 | $117.37 | $1.8M | −67.8% | CEO | |
Sep 12, 2025 | AXSM | Sell | 27,907 | $118.96 | $3.3M | −79.4% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| AXSM | Axsome Therapeutics, Inc. | 16 | $76.1M |
Other insiders at Axsome Therapeutics, Inc.
5 other tracked filers at AXSM.