LYEL Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$25.0M
2 insiders
Open-Market Sells (180d)
$305K
5 insiders
Net Insider Flow
$24.7M
open market, 180d
Reporting Insiders
7
14 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
Jun 29, 2026Innovative Cellular Therapeutics Holdings Ltd10% OwnerOther(J)76K$0
Jun 15, 2026Innovative Cellular Therapeutics Holdings Ltd10% OwnerOther(J)67K$0
Jun 10, 2026Nabel Elizabeth GDirectorGrant(A)9K$0
Jun 10, 2026Ramachandra SumantDirectorGrant(A)9K$0
Jun 10, 2026Klausner RichardDirectorGrant(A)9K$0
Jun 10, 2026Bachleda MarkDirectorGrant(A)9K$0
Jun 10, 2026Shook DavidChief Medical OfficerSell(S)2K$12.64$25K
Jun 10, 2026Rieflin William JLDirectorGrant(A)9K$0
Jun 10, 2026Friedman CathyDirectorGrant(A)9K$0
Jun 10, 2026Brawley Otis WDirectorGrant(A)9K$0
May 11, 2026Seely LynnPresident and CEO, DirectorSell(S)388$18.91$7K
May 11, 2026Lee Gary K.Chief Scientific OfficerSell(S)130$18.92$2K
May 11, 2026Hill Stephen J.Chief Operating OfficerSell(S)89$18.92$2K
May 11, 2026Bulis Veronica SanchezVP, Corporate ControllerSell(S)217$18.91$4K
Mar 9, 2026Shah SmitalChief Fin. and Bus. OfficerGrant(A)140K$0
Mar 6, 2026Berns Paul L10% OwnerBuy(P)488K$25.61$12.5M
Mar 6, 2026ARCH Venture Partners IX Overage, L.P.10% OwnerBuy(P)488K$25.61$12.5M
Feb 11, 2026Seely LynnPresident and CEO, DirectorSell(S)7K$23.39$174K
Feb 11, 2026Hill Stephen J.Chief Operating OfficerSell(S)1K$23.39$29K
Feb 11, 2026Lee Gary K.Chief Scientific OfficerSell(S)2K$23.39$39K
Feb 10, 2026Seely LynnPresident and CEO, DirectorSell(S)438$23.12$10K
Feb 10, 2026Seely LynnPresident and CEO, DirectorGrant(A)155K$0
Feb 10, 2026Meltz Mark AGeneral CounselGrant(A)50K$0
Feb 10, 2026Hill Stephen J.Chief Operating OfficerSell(S)109$23.12$3K
Feb 10, 2026Hill Stephen J.Chief Operating OfficerGrant(A)65K$0
Feb 10, 2026Lee Gary K.Chief Scientific OfficerSell(S)147$23.12$3K
Feb 10, 2026Lee Gary K.Chief Scientific OfficerGrant(A)50K$0
Feb 10, 2026Shook DavidChief Medical OfficerGrant(A)50K$0
Feb 10, 2026Bulis Veronica SanchezVP, Corporate ControllerSell(S)254$23.12$6K
Feb 10, 2026Bulis Veronica SanchezVP, Corporate ControllerGrant(A)9K$0
Feb 9, 2026Seely LynnPresident and CEO, DirectorGrant(A)20K$0
Feb 9, 2026Hill Stephen J.Chief Operating OfficerGrant(A)4K$0
Feb 9, 2026Lee Gary K.Chief Scientific OfficerGrant(A)4K$0
Dec 30, 2025Bulis Veronica SanchezVP, Corporate ControllerSell(S)936$32.32$30K
Dec 24, 2025Bulis Veronica SanchezVP, Corporate ControllerSell(S)1K$38.67$44K
Nov 10, 2025Seely LynnPresident and CEO, DirectorSell(S)412$16.11$7K
Nov 10, 2025Hill Stephen J.Chief Operating OfficerSell(S)95$16.12$2K
Nov 10, 2025Lee Gary K.Chief Scientific OfficerSell(S)138$16.16$2K
Nov 10, 2025Bulis Veronica SanchezVP, Corporate ControllerSell(S)239$16.10$4K
Oct 27, 2025Seely LynnPresident and CEO, DirectorGrant(A)175K$0
Oct 27, 2025Hill Stephen J.Chief Operating OfficerGrant(A)75K$0
Oct 27, 2025Lee Gary K.Chief Scientific OfficerGrant(A)68K$0
Aug 21, 2025Lee Gary K.Chief Scientific OfficerSell(S)1K$10.54$15K
Aug 21, 2025Newton Charles W.Chief Financial OfficerSell(S)1K$10.54$15K
Aug 21, 2025Hill Stephen J.Chief Operating OfficerSell(S)1K$10.54$11K
Aug 21, 2025Seely LynnPresident and CEO, DirectorSell(S)7K$10.54$76K
Aug 20, 2025Lee Gary K.Chief Scientific OfficerGrant(A)8K$0
Aug 20, 2025Newton Charles W.Chief Financial OfficerGrant(A)8K$0
Aug 20, 2025Hill Stephen J.Chief Operating OfficerGrant(A)8K$0
Aug 20, 2025Seely LynnPresident and CEO, DirectorGrant(A)40K$0
Aug 12, 2025Newton Charles W.Chief Financial OfficerSell(S)136$10.34$1K
Aug 12, 2025Lee Gary K.Chief Scientific OfficerSell(S)136$10.34$1K
Aug 12, 2025Hill Stephen J.Chief Operating OfficerSell(S)94$10.34$972
Aug 12, 2025Seely LynnPresident and CEO, DirectorSell(S)406$10.34$4K
Aug 11, 2025Newton Charles W.Chief Financial OfficerSell(S)131$10.53$1K
Aug 11, 2025Lee Gary K.Chief Scientific OfficerSell(S)131$10.53$1K
Aug 11, 2025Hill Stephen J.Chief Operating OfficerSell(S)91$10.53$958
Aug 11, 2025Seely LynnPresident and CEO, DirectorSell(S)391$10.53$4K
Jun 9, 2025Shook DavidChief Medical OfficerGrant(A)22K$0
Jun 9, 2025Shook DavidChief Medical OfficerGrant(A)44K$0
Jun 9, 2025Meltz Mark AGeneral CounselGrant(A)100K$0
Jun 9, 2025Bachleda MarkDirectorGrant(A)13K$0
May 15, 2025Ramachandra SumantDirectorGrant(A)130K$0
May 15, 2025Nabel Elizabeth GDirectorGrant(A)130K$0
May 15, 2025Brawley Otis WDirectorGrant(A)130K$0
May 15, 2025Friedman CathyDirectorGrant(A)130K$0
May 15, 2025Rieflin William JLDirectorGrant(A)130K$0
May 15, 2025Klausner RichardDirectorGrant(A)130K$0
Mar 31, 2025Brawley Otis WDirectorBuy(P)36K$0.56$20K
Mar 21, 2025Ramachandra SumantDirectorBuy(P)200K$0.58$116K
Mar 17, 2025Newton Charles W.Chief Financial OfficerBuy(P)200K$0.56$112K
Mar 14, 2025Seely LynnPresident and CEO, DirectorBuy(P)175K$0.61$107K
Mar 14, 2025Klausner RichardDirectorBuy(P)158K$0.60$95K
Feb 10, 2025Lee Gary K.Chief Scientific OfficerGrant(A)113K$0
Feb 10, 2025Lee Gary K.Chief Scientific OfficerGrant(A)56K$0
Feb 10, 2025Lee Gary K.Chief Scientific OfficerGrant(A)450K$0
Feb 10, 2025Newton Charles W.Chief Financial OfficerGrant(A)113K$0
Feb 10, 2025Newton Charles W.Chief Financial OfficerGrant(A)450K$0
Feb 10, 2025Newton Charles W.Chief Financial OfficerGrant(A)56K$0
Feb 10, 2025Hill Stephen J.Chief Operating OfficerGrant(A)113K$0
Feb 10, 2025Hill Stephen J.Chief Operating OfficerGrant(A)56K$0
Feb 10, 2025Hill Stephen J.Chief Operating OfficerGrant(A)450K$0
Feb 10, 2025Seely LynnPresident and CEO, DirectorGrant(A)338K$0
Feb 10, 2025Seely LynnPresident and CEO, DirectorGrant(A)1.4M$0
Feb 10, 2025Seely LynnPresident and CEO, DirectorGrant(A)169K$0
Feb 10, 2025Lang MatthewChief Business OfficerGrant(A)113K$0
Feb 10, 2025Lang MatthewChief Business OfficerGrant(A)450K$0
Feb 10, 2025Lang MatthewChief Business OfficerGrant(A)56K$0
Oct 31, 2024Ramachandra SumantDirectorGrant(A)260K$0
Jun 14, 2024Friedman CathyDirectorGrant(A)130K$0
Jun 14, 2024Brawley Otis WDirectorGrant(A)130K$0
Jun 14, 2024Nabel Elizabeth GDirectorGrant(A)130K$0
Jun 14, 2024Rieflin William JLDirectorGrant(A)130K$0
Jun 14, 2024Klausner RichardDirectorGrant(A)130K$0
Jun 14, 2024Bishop Hans EdgarDirectorGrant(A)130K$0
Jun 14, 2024Nelsen RobertDirector, 10% OwnerGrant(A)130K$0
Feb 9, 2024Seely LynnPresident and CEO, DirectorGrant(A)200K$0
Feb 9, 2024Newton Charles W.Chief Financial OfficerGrant(A)40K$0
Feb 9, 2024Newton Charles W.Chief Financial OfficerGrant(A)400K$0
Feb 9, 2024Lee Gary K.Chief Scientific OfficerGrant(A)40K$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 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

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