ATTO Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$52.4M
6 insiders
Open-Market Sells (180d)
$4.5M
2 insiders
Net Insider Flow
$47.9M
open market, 180d
Reporting Insiders
8
55 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

90 shown
DateInsiderRoleActionSharesPriceValue
Aug 6, 2026Frazier Life Sciences XI, L.P.10% OwnerConversion(C)1.7M
Aug 6, 2026Frazier Life Sciences XI, L.P.10% OwnerConversion(C)1.6M
Aug 6, 2026Frazier Life Sciences XI, L.P.10% OwnerConversion(C)1.2M
Aug 6, 2026Frazier Life Sciences XI, L.P.10% OwnerConversion(C)961K
Aug 6, 2026Frazier Life Sciences XI, L.P.10% OwnerBuy(P)588K$17.00$10.0M
Aug 6, 2026Frazier Life Sciences XI, L.P.10% OwnerConversion(C)16.3M$0
Aug 6, 2026Frazier Life Sciences XI, L.P.10% OwnerConversion(C)14.8M$0
Aug 6, 2026Frazier Life Sciences XI, L.P.10% OwnerConversion(C)11.1M$0
Aug 6, 2026Frazier Life Sciences XI, L.P.10% OwnerConversion(C)8.9M$0
Aug 6, 2026Sanofi10% OwnerConversion(C)783K
Aug 6, 2026Sanofi10% OwnerBuy(P)300K$17.00$5.1M
Aug 6, 2026Sanofi10% OwnerConversion(C)783K
Aug 6, 2026Redmile Group, LLC10% OwnerConversion(C)783K
Aug 6, 2026Redmile Group, LLC10% OwnerBuy(P)200K$17.00$3.4M
Aug 6, 2026Redmile Group, LLC10% OwnerBuy(P)400K$17.00$6.8M
Aug 6, 2026Redmile Group, LLC10% OwnerConversion(C)783K
Aug 6, 2026venBio Global Strategic Fund IV, L.P.10% OwnerConversion(C)2.3M
Aug 6, 2026venBio Global Strategic Fund IV, L.P.10% OwnerConversion(C)822K
Aug 6, 2026venBio Global Strategic Fund IV, L.P.10% OwnerConversion(C)665K
Aug 6, 2026venBio Global Strategic Fund IV, L.P.10% OwnerBuy(P)382K$17.00$6.5M
Aug 6, 2026venBio Global Strategic Fund IV, L.P.10% OwnerConversion(C)21.5M$0
Aug 6, 2026venBio Global Strategic Fund IV, L.P.10% OwnerConversion(C)7.6M$0
Aug 6, 2026venBio Global Strategic Fund IV, L.P.10% OwnerConversion(C)6.2M$0
Aug 6, 2026Deep Track Biotechnology Master Fund, Ltd.10% OwnerConversion(C)2.0M
Aug 6, 2026Deep Track Biotechnology Master Fund, Ltd.10% OwnerConversion(C)18.2M$0
Aug 6, 2026Walsh ColinDirectorConversion(C)2.0M$0
Aug 6, 2026Walsh ColinDirectorConversion(C)478K$0
Aug 6, 2026Walsh ColinDirectorBuy(P)500K$17.00$8.5M
Aug 6, 2026Walsh ColinDirectorConversion(C)18.2M$0
Aug 6, 2026Walsh ColinDirectorConversion(C)4.4M$0
Aug 6, 2026Goldman Sachs Group IncInsiderConversion(C)2.0M$0
Aug 6, 2026Goldman Sachs Group IncInsiderConversion(C)478K$0
Aug 6, 2026Goldman Sachs Group IncInsiderBuy(P)500K$17.00$8.5M
Aug 6, 2026Goldman Sachs Group IncInsiderConversion(C)18.2M$0
Aug 6, 2026Goldman Sachs Group IncInsiderConversion(C)4.4M$0
Aug 5, 2026Walsh ColinDirectorBuy(P)85K$21.00$1.8M
Aug 5, 2026Walsh ColinDirectorSell(S)988$22.03$22K
Aug 5, 2026Walsh ColinDirectorSell(S)447$21.87$10K
Aug 5, 2026Walsh ColinDirectorSell(S)1K$22.03$29K
Aug 5, 2026Walsh ColinDirectorSell(S)200$22.05$4K
Aug 5, 2026Walsh ColinDirectorSell(S)2K$22.06$34K
Aug 5, 2026Walsh ColinDirectorSell(S)3K$22.02$75K
Aug 5, 2026Walsh ColinDirectorSell(S)200$22.10$4K
Aug 5, 2026Walsh ColinDirectorSell(S)480$21.55$10K
Aug 5, 2026Walsh ColinDirectorSell(S)100$22.11$2K
Aug 5, 2026Walsh ColinDirectorSell(S)753$21.97$17K
Aug 5, 2026Walsh ColinDirectorSell(S)672$22.02$15K
Aug 5, 2026Walsh ColinDirectorSell(S)7K$22.03$154K
Aug 5, 2026Walsh ColinDirectorSell(S)400$22.02$9K
Aug 5, 2026Walsh ColinDirectorSell(S)1K$21.84$26K
Aug 5, 2026Walsh ColinDirectorSell(S)1K$22.05$23K
Aug 5, 2026Walsh ColinDirectorSell(S)300$20.84$6K
Aug 5, 2026Walsh ColinDirectorSell(S)443$21.78$10K
Aug 5, 2026Walsh ColinDirectorSell(S)200$22.05$4K
Aug 5, 2026Walsh ColinDirectorSell(S)700$22.07$15K
Aug 5, 2026Walsh ColinDirectorSell(S)1K$22.19$26K
Aug 5, 2026Walsh ColinDirectorSell(S)100$21.99$2K
Aug 5, 2026Walsh ColinDirectorSell(S)7K$21.61$146K
Aug 5, 2026Walsh ColinDirectorSell(S)76K$21.04$1.6M
Aug 5, 2026Goldman Sachs Group IncInsiderBuy(P)85K$21.00$1.8M
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)988$22.03$22K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)447$21.87$10K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)1K$22.03$29K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)200$22.05$4K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)2K$22.06$34K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)3K$22.02$75K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)200$22.10$4K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)480$21.55$10K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)100$22.11$2K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)753$21.97$17K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)672$22.02$15K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)7K$22.03$154K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)400$22.02$9K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)1K$21.84$26K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)1K$22.05$23K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)300$20.84$6K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)443$21.78$10K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)200$22.05$4K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)700$22.07$15K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)1K$22.19$26K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)100$21.99$2K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)7K$21.61$146K
Aug 5, 2026Goldman Sachs Group IncInsiderSell(S)76K$21.04$1.6M
Aug 4, 2026Veiby PetterChief Scientific OfficerGrant(A)140K$0
Aug 4, 2026You AngieDirectorGrant(A)27K$0
Aug 4, 2026Gold MitchellDirectorGrant(A)27K$0
Aug 4, 2026Chen HubertChief Medical OfficerGrant(A)140K$0
Aug 4, 2026Odrowaz ZanetaChief Business OfficerGrant(A)140K$0
Aug 4, 2026Attovia Therapeutics, Inc.Chief Financial OfficerGrant(A)140K$0
Aug 4, 2026Attovia Therapeutics, Inc.President and CEO, DirectorGrant(A)538K$0

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 2009-03-302026-08-14. Earlier history is backfilling; this window widens as it deepens.

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

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