ATAI Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$1.5M
3 insiders
Net Insider Flow
-$1.5M
open market, 180d
Reporting Insiders
3
5 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jul 7, 2026Hershberg RobertDirectorOption exercise(M)49K$1.35$66K
Jul 7, 2026Hershberg RobertDirectorOption exercise(M)51K$1.35$69K
Jul 7, 2026Hershberg RobertDirectorSell(S)100K$4.96$496K
Jul 7, 2026Hershberg RobertDirectorOption exercise(M)49K$0
Jul 7, 2026Hershberg RobertDirectorOption exercise(M)51K$0
Jun 26, 2026Kochendoerfer GerdChief Operating OfficerOption exercise(M)50K$1.60$80K
Jun 26, 2026Kochendoerfer GerdChief Operating OfficerSell(S)50K$5.00$250K
Jun 26, 2026Kochendoerfer GerdChief Operating OfficerOption exercise(M)50K$0
Jun 25, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)33K$1.50$50K
Jun 25, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)10K$1.18$11K
Jun 25, 2026Craig Kevin JamesChief Medical OfficerSell(S)43K$4.51$192K
Jun 25, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)33K$0
Jun 25, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)10K$0
Jun 4, 2026Angermayer ChristianDirector, 10% OwnerGrant(A)122K$0
Jun 4, 2026Braunstein ScottDirectorGrant(A)122K$0
Jun 4, 2026Braunstein ScottDirectorGrant(A)86K$0
Jun 4, 2026Fischer LaurentDirectorGrant(A)122K$0
Jun 4, 2026Hershberg RobertDirectorGrant(A)122K$0
Jun 4, 2026Hoffman John FrancisDirectorGrant(A)122K$0
Jun 4, 2026Kalali Amir HDirectorGrant(A)122K$0
Jun 4, 2026Smiley Andrea HeslinDirectorGrant(A)122K$0
Jun 4, 2026Johnson Sabrina MartucciDirectorGrant(A)122K$0
Apr 20, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)27K$1.50$41K
Apr 20, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)15K$1.84$28K
Apr 20, 2026Craig Kevin JamesChief Medical OfficerSell(S)43K$5.00$213K
Apr 20, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)27K$0
Apr 20, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)15K$0
Apr 8, 2026Angermayer ChristianDirector, 10% OwnerOption exercise(M)46K$1.88$87K
Apr 8, 2026Angermayer ChristianDirector, 10% OwnerOption exercise(M)410K$1.64$673K
Apr 8, 2026Angermayer ChristianDirector, 10% OwnerOption exercise(M)103K$1.34$138K
Apr 8, 2026Angermayer ChristianDirector, 10% OwnerOption exercise(M)46K$0
Apr 8, 2026Angermayer ChristianDirector, 10% OwnerOption exercise(M)410K$0
Apr 8, 2026Angermayer ChristianDirector, 10% OwnerOption exercise(M)103K$0
Mar 20, 2026Craig Kevin JamesChief Medical OfficerSell(S)100K$3.55$355K
Mar 20, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)76K$1.18$90K
Mar 20, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)24K$1.50$36K
Mar 20, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)24K$0
Mar 20, 2026Craig Kevin JamesChief Medical OfficerOption exercise(M)76K$0
Mar 11, 2026Faerm Michael E.Chief Financial OfficerGrant(A)1.3M$0
Mar 11, 2026Faerm Michael E.Chief Financial OfficerGrant(A)285K$0
Jan 30, 2026Craig Kevin JamesChief Medical OfficerGrant(A)150K$0
Jan 30, 2026Craig Kevin JamesChief Medical OfficerGrant(A)675K$0
Jan 30, 2026Short Glenn FrankChief Scientific OfficerGrant(A)150K$0
Jan 30, 2026Short Glenn FrankChief Scientific OfficerGrant(A)675K$0
Jan 30, 2026Rao SrinivasSee remarksGrant(A)2.0M$0
Jan 30, 2026Rao SrinivasSee remarksGrant(A)442K$0
Jan 30, 2026Kochendoerfer GerdChief Operating OfficerGrant(A)150K$0
Jan 30, 2026Kochendoerfer GerdChief Operating OfficerGrant(A)675K$0
Jan 30, 2026Johnson Anne NagengastChief Financial OfficerGrant(A)525K$0
Jan 30, 2026Johnson Anne NagengastChief Financial OfficerGrant(A)117K$0
Jan 30, 2026Barrett Christopher Ryan CaveSee remarksGrant(A)675K$0
Jan 30, 2026Barrett Christopher Ryan CaveSee remarksGrant(A)150K$0
Jan 2, 2026Feilding-Mellen CosmoDirectorSell(S)40K$3.90$154K
Nov 25, 2025Feilding-Mellen CosmoDirectorDisposed to issuer(D)40K$0
Nov 25, 2025Feilding-Mellen CosmoDirectorGrant(A)10K$0
Nov 5, 2025Feilding-Mellen CosmoDirectorGrant(A)7.7M
Nov 5, 2025Feilding-Mellen CosmoDirectorGrant(A)40K$0
Nov 5, 2025Feilding-Mellen CosmoDirectorGrant(A)103K$0
Nov 5, 2025Hershberg RobertDirectorGrant(A)456K$0
Nov 5, 2025Hershberg RobertDirectorGrant(A)98K$0
Nov 5, 2025Hershberg RobertDirectorGrant(A)62K$0
Nov 5, 2025Hershberg RobertDirectorGrant(A)103K$0
Nov 4, 2025Braunstein ScottDirectorGrant(A)57K$0
Oct 1, 2025Barrett Christopher Ryan CaveSee RemarksGrant(A)175K$0
Sep 30, 2025Apeiron Investment Group Ltd.10% OwnerConversion(C)2.4M
Sep 30, 2025Apeiron Investment Group Ltd.10% OwnerConversion(C)148K
Aug 14, 2025Apeiron Investment Group Ltd.10% OwnerBuy(P)8.7M$2.19$19.0M
Aug 13, 2025Rao SrinivasSee RemarksGrant(A)218K$0
Aug 13, 2025Rao SrinivasSee RemarksGrant(A)651K$0
Jun 26, 2025Angermayer ChristianDirector, 10% OwnerGrant(A)103K$0
Jun 26, 2025Braunstein ScottDirectorGrant(A)103K$0
Jun 26, 2025Fischer LaurentDirectorGrant(A)103K$0
Jun 26, 2025Hoffman John FrancisDirectorGrant(A)206K$0
Jun 26, 2025Johnson Sabrina MartucciDirectorGrant(A)103K$0
Jun 26, 2025Kalali Amir HDirectorGrant(A)103K$0
Jun 26, 2025Smiley Andrea HeslinDirectorGrant(A)103K$0
Jun 2, 2025Angermayer ChristianDirector, 10% OwnerGrant(A)132K
Mar 24, 2025Apeiron Investment Group Ltd.10% OwnerBuy(P)1.8M$1.40$2.5M
Mar 21, 2025Short Glenn FrankChief Scientific OfficerSell(S)13K$1.35$18K
Mar 21, 2025Johnson Anne NagengastChief Financial OfficerSell(S)34K$1.35$45K
Mar 21, 2025Rao SrinivasSee RemarksSell(S)75K$1.35$102K
Mar 21, 2025Craig Kevin JamesChief Medical OfficerSell(S)12K$1.35$16K
Mar 21, 2025Kirpekar SahilChief Business OfficerSell(S)49K$1.35$66K
Mar 14, 2025Johnson Anne NagengastChief Financial OfficerOption exercise(M)100K
Mar 14, 2025Johnson Anne NagengastChief Financial OfficerOption exercise(M)100K$0
Mar 14, 2025Kirpekar SahilChief Business OfficerOption exercise(M)100K
Mar 14, 2025Kirpekar SahilChief Business OfficerOption exercise(M)100K
Mar 14, 2025Rao SrinivasSee RemarksOption exercise(M)175K
Mar 14, 2025Rao SrinivasSee RemarksOption exercise(M)175K$0
Mar 14, 2025Short Glenn FrankChief Scientific OfficerOption exercise(M)33K
Mar 14, 2025Short Glenn FrankChief Scientific OfficerOption exercise(M)33K$0
Mar 14, 2025Craig Kevin JamesChief Medical OfficerOption exercise(M)20K
Mar 14, 2025Craig Kevin JamesChief Medical OfficerOption exercise(M)20K$0
Mar 3, 2025Johnson Anne NagengastChief Financial OfficerGrant(A)758K$0
Mar 3, 2025Craig Kevin JamesChief Medical OfficerGrant(A)758K$0
Mar 3, 2025Short Glenn FrankChief Scientific OfficerGrant(A)758K$0
Feb 14, 2025Apeiron Investment Group Ltd.10% OwnerBuy(P)10.8M$2.10$22.8M
Jan 7, 2025Rao SrinivasSee RemarksGrant(A)2.3M$0
Jan 2, 2025Kochendoerfer GerdChief Operating OfficerGrant(A)1.4M$0
Oct 4, 2024Brand FlorianSee RemarksDisposed to issuer(D)401K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-04-262026-07-11. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).