ALT Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$198K
3 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$198K
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
May 1, 2026Sayare MitchelDirectorGrant(A)49K$0
May 1, 2026Gill JohnDirectorGrant(A)49K$0
May 1, 2026Jorkasky DianeDirectorGrant(A)49K$0
May 1, 2026Sohn Catherine A.DirectorGrant(A)49K$0
May 1, 2026Hodges PhilipDirectorGrant(A)49K$0
May 1, 2026Schafer KlausDirectorGrant(A)49K$0
May 1, 2026Pisano WayneDirectorGrant(A)49K$0
May 1, 2026Lawver Teri LDirectorGrant(A)49K$0
Apr 6, 2026Gill JohnDirectorBuy(P)9K$3.41$31K
Apr 1, 2026Weaver Gregory LChief Financial OfficerBuy(P)10K$3.15$31K
Apr 1, 2026Durso Jerome BenedictPresident and CEO, DirectorBuy(P)15K$3.14$47K
Mar 6, 2026Weaver Gregory LChief Financial OfficerBuy(P)5K$3.54$18K
Mar 6, 2026Durso Jerome BenedictPresident and CEO, DirectorBuy(P)20K$3.54$71K
Feb 26, 2026Weaver Gregory LChief Financial OfficerGrant(A)259K$0
Feb 26, 2026Weaver Gregory LChief Financial OfficerGrant(A)111K$0
Feb 26, 2026Roberts M ScotChief Scientific OfficerGrant(A)223K$0
Feb 26, 2026Roberts M ScotChief Scientific OfficerGrant(A)95K$0
Feb 2, 2026Roberts M ScotChief Scientific OfficerOption exercise(M)8K$0
Feb 2, 2026Roberts M ScotChief Scientific OfficerTax withholding(F)2K$5.55$13K
Feb 2, 2026Roberts M ScotChief Scientific OfficerOption exercise(M)8K$0
Jan 31, 2026Garg Vipin KDirectorGrant(A)7K$3.07$21K
Jan 31, 2026Roberts M ScotChief Scientific OfficerGrant(A)6K$3.07$17K
Jan 31, 2026Jordt Raymond MChief Business OfficerGrant(A)5K$3.07$14K
Jan 30, 2026Garg Vipin KDirectorTax withholding(F)12K$5.60$65K
Jan 30, 2026Garg Vipin KDirectorOption exercise(M)27K$0
Jan 30, 2026Garg Vipin KDirectorOption exercise(M)27K$0
Jan 30, 2026Roberts M ScotChief Scientific OfficerOption exercise(M)9K$0
Jan 30, 2026Roberts M ScotChief Scientific OfficerTax withholding(F)3K$5.60$16K
Jan 30, 2026Roberts M ScotChief Scientific OfficerOption exercise(M)9K$0
Jan 27, 2026Garg Vipin KDirectorOption exercise(M)41K$0
Jan 27, 2026Garg Vipin KDirectorTax withholding(F)18K$6.18$111K
Jan 27, 2026Garg Vipin KDirectorOption exercise(M)41K$0
Jan 27, 2026Roberts M ScotChief Scientific OfficerTax withholding(F)5K$6.18$29K
Jan 27, 2026Roberts M ScotChief Scientific OfficerOption exercise(M)16K$0
Jan 27, 2026Roberts M ScotChief Scientific OfficerOption exercise(M)16K$0
Jan 27, 2026Jordt Raymond MChief Business OfficerOption exercise(M)16K$0
Jan 27, 2026Jordt Raymond MChief Business OfficerTax withholding(F)4K$6.18$26K
Jan 27, 2026Jordt Raymond MChief Business OfficerOption exercise(M)16K$0
Jan 25, 2026Garg Vipin KDirectorOption exercise(M)42K$0
Jan 25, 2026Garg Vipin KDirectorTax withholding(F)18K$5.50$99K
Jan 25, 2026Garg Vipin KDirectorOption exercise(M)42K$0
Jan 25, 2026Roberts M ScotChief Scientific OfficerOption exercise(M)15K$0
Jan 25, 2026Roberts M ScotChief Scientific OfficerTax withholding(F)4K$5.50$24K
Jan 25, 2026Roberts M ScotChief Scientific OfficerOption exercise(M)15K$0
Jan 25, 2026Jordt Raymond MChief Business OfficerOption exercise(M)15K$0
Jan 25, 2026Jordt Raymond MChief Business OfficerTax withholding(F)4K$5.50$21K
Jan 25, 2026Jordt Raymond MChief Business OfficerOption exercise(M)15K$0
Jan 8, 2026Pisano WayneDirectorBuy(P)5K$4.08$20K
Jan 5, 2026Sohn Catherine A.DirectorBuy(P)500$4.24$2K
Jan 1, 2026Jordt Raymond MChief Business OfficerOption exercise(M)9K$0
Jan 1, 2026Jordt Raymond MChief Business OfficerTax withholding(F)2K$3.61$9K
Jan 1, 2026Jordt Raymond MChief Business OfficerOption exercise(M)9K$0
Dec 29, 2025Jorkasky DianeDirectorBuy(P)527$3.80$2K
Dec 23, 2025Gill JohnDirectorBuy(P)13K$4.10$51K
Dec 22, 2025Durso Jerome BenedictDirectorBuy(P)13K$4.13$52K
Dec 1, 2025Durso Jerome BenedictCEO-elect, DirectorGrant(A)1.8M$0
Dec 1, 2025Durso Jerome BenedictCEO-elect, DirectorGrant(A)634K$0
Nov 11, 2025Weaver Gregory LChief Financial OfficerTax withholding(F)6K$4.28$24K
Nov 11, 2025Weaver Gregory LChief Financial OfficerOption exercise(M)19K$0
Nov 11, 2025Weaver Gregory LChief Financial OfficerOption exercise(M)19K$0
Oct 1, 2025Arbet-Engels ChristopheChief Medical OfficerGrant(A)150K$0
Oct 1, 2025Arbet-Engels ChristopheChief Medical OfficerGrant(A)450K$0
Oct 1, 2025Weaver Gregory LChief Financial OfficerGrant(A)58K$0
Oct 1, 2025Weaver Gregory LChief Financial OfficerGrant(A)167K$0
Sep 25, 2025Pisano WayneDirectorGrant(A)49K$0
Sep 25, 2025Hodges PhilipDirectorGrant(A)49K$0
Sep 25, 2025Sayare MitchelDirectorGrant(A)49K$0
Sep 25, 2025Schafer KlausDirectorGrant(A)49K$0
Sep 25, 2025Gill JohnDirectorGrant(A)49K$0
Sep 25, 2025Jorkasky DianeDirectorGrant(A)49K$0
Sep 25, 2025Lawver Teri LDirectorGrant(A)49K$0
Sep 25, 2025Durso Jerome BenedictDirectorGrant(A)49K$0
Sep 25, 2025Sohn Catherine A.DirectorGrant(A)49K$0
Sep 16, 2025Richardson Linda MChief Commercial OfficerGrant(A)278K$0
Sep 16, 2025Richardson Linda MChief Commercial OfficerGrant(A)96K$0
Jul 31, 2025Roberts M ScotChief Scientific OfficerGrant(A)846$3.14$3K
Jul 31, 2025Harris Matthew ScottChief Medical OfficerGrant(A)2K$3.14$6K
Jul 31, 2025Jordt Raymond MChief Business OfficerGrant(A)1K$3.14$4K
Mar 17, 2025Sohn Catherine A.DirectorBuy(P)1K$5.78$6K
Mar 13, 2025Weaver Gregory LChief Financial OfficerBuy(P)10K$5.20$52K
Mar 7, 2025Harris Matthew ScottChief Medical OfficerGift(G)68K$0
Feb 24, 2025Durso Jerome BenedictDirectorGrant(A)70K$0
Feb 24, 2025Lawver Teri LDirectorGrant(A)70K$0
Feb 6, 2025Sohn Catherine A.DirectorGrant(A)19K$0
Feb 2, 2025Roberts M ScotChief Scientific OfficerTax withholding(F)2K$6.64$15K
Feb 2, 2025Roberts M ScotChief Scientific OfficerOption exercise(M)8K$0
Feb 2, 2025Roberts M ScotChief Scientific OfficerOption exercise(M)8K$0
Feb 2, 2025Harris Matthew ScottChief Medical OfficerTax withholding(F)3K$6.64$18K
Feb 2, 2025Harris Matthew ScottChief Medical OfficerOption exercise(M)8K$0
Feb 2, 2025Harris Matthew ScottChief Medical OfficerOption exercise(M)8K$0
Feb 2, 2025Garg Vipin KPresident and CEO, DirectorTax withholding(F)8K$6.64$55K
Feb 2, 2025Garg Vipin KPresident and CEO, DirectorOption exercise(M)19K$0
Feb 2, 2025Garg Vipin KPresident and CEO, DirectorOption exercise(M)19K$0
Feb 1, 2025Roberts M ScotChief Scientific OfficerTax withholding(F)2K$6.64$12K
Feb 1, 2025Roberts M ScotChief Scientific OfficerOption exercise(M)6K$0
Feb 1, 2025Roberts M ScotChief Scientific OfficerOption exercise(M)6K$0
Feb 1, 2025Harris Matthew ScottChief Medical OfficerOption exercise(M)6K$0
Feb 1, 2025Harris Matthew ScottChief Medical OfficerTax withholding(F)2K$6.64$14K
Feb 1, 2025Harris Matthew ScottChief Medical OfficerOption exercise(M)6K$0
Feb 1, 2025Garg Vipin KPresident and CEO, DirectorTax withholding(F)7K$6.64$48K

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 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

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