SEC Insider Transactions from TABUTEAU HERRIOT.

Last updated: 2026-03-14 11:53 UTC | Total transactions: 56

Herriot Tabuteau, CEO of Axsome Therapeutics ($AXSM), sold shares on the open market 16 times over the past year, totaling $76.1 million. His most recent sale occurred on February 2, 2026. These sales rank 211th among 11,678 insiders, surpassing the average of $8.6 million per seller and 6.4 transactions. Tabuteau made no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 26, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer A Restricted Stock Units 54623 $0.00 54,623.0000 50,412,640 9999.99% 0.11%
Feb. 2, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 32410 $0.00 0.0000 50,412,640 100.00% 0.06%
Feb. 2, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 32410 $185.60 7,351,729.0000 50,412,640 0.44% 0.06%
Feb. 2, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 32410 $8.02 7,384,139.0000 50,412,640 0.44% 0.06%
Jan. 7, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 31261 $170.38 7,351,729.0000 50,412,640 0.42% 0.06%
Jan. 7, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 31261 $8.02 7,382,990.0000 50,412,640 0.43% 0.06%
Jan. 6, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 29450 $172.33 7,351,729.0000 50,412,640 0.40% 0.06%
Jan. 6, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 29450 $8.02 7,381,179.0000 50,412,640 0.40% 0.06%
Jan. 5, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 78703 $8.02 7,430,432.0000 50,412,640 1.07% 0.16%
Jan. 5, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 78703 $171.28 7,351,729.0000 50,412,640 1.06% 0.16%
Jan. 7, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 31261 $0.00 32,410.0000 50,412,640 49.10% 0.06%
Jan. 6, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 29450 $0.00 63,671.0000 50,412,640 31.63% 0.06%
Jan. 5, 2026 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 78703 $0.00 93,121.0000 50,412,640 45.80% 0.16%
Dec. 2, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 49252 $144.59 7,351,729.0000 50,412,640 0.67% 0.10%
Dec. 4, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 10558 $0.00 171,824.0000 50,412,640 5.79% 0.02%
Dec. 3, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 20163 $0.00 182,382.0000 50,412,640 9.95% 0.04%
Dec. 2, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 49252 $0.00 202,545.0000 50,412,640 19.56% 0.10%
Dec. 4, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 10558 $148.18 7,351,729.0000 50,412,640 0.14% 0.02%
Dec. 4, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 10558 $8.02 7,362,287.0000 50,412,640 0.14% 0.02%
Dec. 3, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 20163 $146.94 7,351,729.0000 50,412,640 0.27% 0.04%
Dec. 3, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 20163 $8.02 7,371,892.0000 50,412,640 0.27% 0.04%
Dec. 2, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 49252 $8.02 7,400,981.0000 50,412,640 0.67% 0.10%
Nov. 5, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 21775 $134.49 7,351,729.0000 50,412,640 0.30% 0.04%
Nov. 3, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 91705 $8.02 7,443,434.0000 50,412,640 1.25% 0.18%
Nov. 3, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 91705 $132.34 7,351,729.0000 50,412,640 1.23% 0.18%
Nov. 4, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 50459 $8.02 7,402,188.0000 50,412,640 0.69% 0.10%
Nov. 4, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 50459 $133.79 7,351,729.0000 50,412,640 0.68% 0.10%
Nov. 5, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 21775 $8.02 7,373,504.0000 50,412,640 0.30% 0.04%
Nov. 3, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 91705 $0.00 324,031.0000 50,412,640 22.06% 0.18%
Nov. 4, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 50459 $0.00 273,572.0000 50,412,640 15.57% 0.10%
Nov. 5, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 21775 $0.00 251,797.0000 50,412,640 7.96% 0.04%
Oct. 7, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 13390 $8.02 7,365,119.0000 48,765,403 0.18% 0.03%
Oct. 6, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 19220 $120.17 7,351,729.0000 48,765,403 0.26% 0.04%
Oct. 6, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 19220 $8.02 7,370,949.0000 48,765,403 0.26% 0.04%
Oct. 8, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 12774 $0.00 415,736.0000 48,765,403 2.98% 0.03%
Oct. 7, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 13390 $0.00 428,510.0000 48,765,403 3.03% 0.03%
Oct. 6, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 19220 $0.00 441,900.0000 48,765,403 4.17% 0.04%
Oct. 8, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 12774 $118.84 7,351,729.0000 48,765,403 0.17% 0.03%
Oct. 8, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 12774 $8.02 7,364,503.0000 48,765,403 0.17% 0.03%
Oct. 7, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 13390 $118.77 7,351,729.0000 48,765,403 0.18% 0.03%
Sept. 15, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 15254 $117.37 7,351,729.0000 48,765,403 0.21% 0.03%
Sept. 12, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 27907 $8.02 7,379,636.0000 48,765,403 0.38% 0.06%
Sept. 12, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 27907 $118.96 7,351,729.0000 48,765,403 0.38% 0.06%
Sept. 16, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 19719 $0.00 461,120.0000 48,765,403 4.10% 0.04%
Sept. 15, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 15254 $0.00 480,839.0000 48,765,403 3.07% 0.03%
Sept. 12, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Stock Option (Right to Buy) 27907 $0.00 496,093.0000 48,765,403 5.33% 0.06%
Sept. 16, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer S Common Stock 19719 $114.19 7,351,729.0000 48,765,403 0.27% 0.04%
Sept. 16, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 19719 $8.02 7,371,448.0000 48,765,403 0.27% 0.04%
Sept. 15, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer M Common Stock 15254 $8.02 7,366,983.0000 48,765,403 0.21% 0.03%
Feb. 24, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer A Performance Stock Units 28609 $0.00 28,609.0000 48,765,403 9999.99% 0.06%
Feb. 21, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer A Employee Stock Option (Right to Buy) 28887 $0.00 28,887.0000 48,765,403 9999.99% 0.06%
Feb. 21, 2025 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT Chief Executive Officer A Restricted Stock Units 28609 $0.00 28,609.0000 48,765,403 9999.99% 0.06%
Feb. 27, 2024 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT CHIEF EXECUTIVE OFFICER A Restricted Stock Units 47886 $0.00 47,886.0000 0 9999.99% 0.00%
Feb. 27, 2024 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT CHIEF EXECUTIVE OFFICER A Employee Stock Option (Right to Buy) 87192 $0.00 87,192.0000 0 9999.99% 0.00%
March 2, 2023 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT CHIEF EXECUTIVE OFFICER A Restricted Stock Units 62400 $0.00 62,400.0000 0 9999.99% 0.00%
March 2, 2023 Axsome Therapeutics, Inc. $AXSM TABUTEAU HERRIOT CHIEF EXECUTIVE OFFICER A Employee Stock Option (Right to Buy) 110032 $0.00 110,032.0000 0 9999.99% 0.00%