GLSI Insider Trading

GLSI · full profile →Last filing Jan 13, 2026
Mixed · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$0
open market, 180d
Reporting Insiders
0
0 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
Jan 13, 2026Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$29.83$54K
Jan 12, 2026Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$27.54$80K
Dec 31, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)4K$21.36$92K
Dec 30, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$21.73$63K
Dec 18, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)4K$12.62$52K
Nov 25, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)5K$8.37$39K
Nov 13, 2025Patel SnehalCEO and CFO, Director, 10% OwnerGrant(A)100K$0
Nov 7, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)11K$8.43$89K
Oct 31, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$9.26$21K
Apr 25, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)4K$9.88$36K
Apr 17, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)5K$8.98$48K
Apr 7, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)4K$9.10$33K
Apr 4, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)6K$8.73$48K
Jan 10, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$12.51$31K
Jan 7, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$13.75$25K
Jan 6, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$13.31$15K
Jan 3, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$12.95$44K
Jan 2, 2025Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$11.97$24K
Dec 31, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$11.36$27K
Dec 30, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$11.12$36K
Dec 24, 2024Rothe EricDirectorGrant(A)41K$0
Dec 24, 2024Daugherty Frank JosephChief Medical Officer, DirectorGrant(A)105K$0
Dec 24, 2024Hallock KennethDirectorGrant(A)41K$0
Dec 24, 2024Thompson JayeVP Clinical Reg AffairsGrant(A)150K$0
Dec 24, 2024McWilliams DavidDirectorGrant(A)62K$0
Dec 24, 2024Patel SnehalCEO and CFO, Director, 10% OwnerGrant(A)25K$0
Dec 24, 2024Patel SnehalCEO and CFO, Director, 10% OwnerGrant(A)1.1M$0
Nov 21, 2024Thompson JayeVP Clinical Reg AffairsBuy(P)1K$12.91$13K
Sep 26, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$14.63$22K
Aug 12, 2024Thompson JayeVP Clinical Reg AffairsBuy(P)800$13.85$11K
Aug 6, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$13.81$28K
Aug 5, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)6K$13.18$72K
Aug 2, 2024Thompson JayeVP Clinical Reg AffairsBuy(P)1K$15.15$15K
Jul 23, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$15.89$24K
Jul 18, 2024Thompson JayeVP Clinical Reg AffairsBuy(P)1K$16.00$16K
Jun 13, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)175K$14.30$2.5M
Apr 1, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$19.08$57K
Mar 22, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$19.98$50K
Mar 20, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$17.68$27K
Mar 5, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)4K$12.49$44K
Mar 4, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)4K$13.03$53K
Feb 16, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)11K$11.16$121K
Feb 15, 2024Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)13K$11.07$141K
Nov 10, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)5K$10.17$51K
Nov 3, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)4K$9.11$32K
Oct 27, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)500$8.57$4K
Oct 26, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$7.97$20K
Oct 25, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$7.91$20K
Oct 10, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$9.07$9K
Oct 4, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$8.63$17K
Sep 26, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)600$8.71$5K
Sep 19, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)4K$8.95$36K
Sep 11, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$9.48$9K
Aug 22, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$9.97$10K
Aug 4, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$10.55$21K
Jul 21, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$9.20$9K
Jul 13, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)250$9.49$2K
May 17, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$11.69$12K
Apr 28, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)250$11.22$3K
Apr 19, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)7K$11.10$78K
Apr 18, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$11.12$22K
Apr 11, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)5K$12.42$62K
Apr 11, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)1K$11.87$12K
Mar 15, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)250$12.71$3K
Mar 10, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$12.12$12K
Feb 24, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)250$15.40$4K
Feb 17, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)600$16.53$10K
Feb 10, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$18.68$19K
Feb 3, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)250$20.84$5K
Jan 27, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)250$19.20$5K
Jan 27, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$19.35$39K
Jan 20, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$17.37$26K
Jan 13, 2023Thompson JayeVP Clinical Reg AffairsBuy(P)250$16.50$4K
Jan 6, 2023Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$15.18$23K
Dec 29, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)4K$15.19$61K
Dec 16, 2022Thompson JayeVP Clinical Reg AffairsBuy(P)250$12.94$3K
Dec 16, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$13.01$13K
Dec 9, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$13.11$26K
Dec 2, 2022Thompson JayeVP Clinical Reg AffairsBuy(P)250$13.98$3K
Dec 2, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$13.84$14K
Nov 2, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$8.79$18K
Oct 14, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)3K$9.75$29K
Oct 7, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)2K$9.72$19K
Sep 30, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$9.46$9K
Sep 29, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)1K$9.23$9K
Jun 24, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)23K$9.13$206K
Jun 24, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)6K$9.13$59K
Jun 22, 2022McWilliams DavidDirectorGrant(A)62K$0
Jun 22, 2022Rothe EricDirectorGrant(A)41K$0
Jun 22, 2022Hallock KennethDirectorGrant(A)41K$0
Jun 22, 2022Thompson JayeVP Clinical Reg AffairsGrant(A)150K$0
Jun 22, 2022Patel SnehalCEO and CFO, Director, 10% OwnerGrant(A)1.0M$0
Jun 22, 2022Patel SnehalCEO and CFO, Director, 10% OwnerGrant(A)25K$0
Jun 22, 2022Daugherty Frank JosephChief Medical Officer, DirectorGrant(A)105K$0
Jun 16, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)8K$7.13$57K
Jun 14, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)12K$7.91$95K
Jun 10, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)12K$8.33$100K
Jun 9, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)5K$10.90$49K
Jun 7, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)6K$8.55$51K
Jun 3, 2022Patel SnehalCEO and CFO, Director, 10% OwnerBuy(P)9K$8.35$77K

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).