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Greenwich LifeSciences, Inc.

GLSI
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001799788

In the last 90 days, Greenwich LifeSciences, Inc. insiders filed 3 open-market purchases and 0 sales; 57 institutions reported holding it in 13F filings for Q2 2026, worth $39.6M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Greenwich LifeSciences, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
3 filings
1 insider, $97.0K in total
Open-market sells
0 filings
Insiders trading
1
Net value
+$97.0K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Greenwich LifeSciences, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Greenwich LifeSciences, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Patel SnehalCEO and CFO5,611,402Jul 30, 202612
McWilliams DavidDirector620,301Dec 27, 20240
Thompson JayeVP Clinical Reg Affairs264,148Dec 27, 20240
Daugherty Frank JosephChief Medical Officer90,121Dec 27, 20240
Rothe EricDirector–Dec 27, 20240
Hallock KennethDirector397,304Dec 27, 20240

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Dec 16, 2021 (view filing)Dec 142 daysMcWilliams DavidDirectorPPurchase+200$27.56+$5.51K0.0%620.3K after
Dec 16, 2021 (view filing)Dec 142 daysDaugherty Frank JosephChief Medical OfficerPPurchase+1.11K$26.99+$30.0K+1.3%88.1K after
Dec 16, 2021 (view filing)Dec 142 daysPatel SnehalCEO and CFOPPurchase+1.84K$27.17+$50.0K+0.2%1.19M after
Jan 4, 2022 (view filing)Jan 31 dayPatel SnehalCEO and CFOPPurchase+2.05K$23.82+$48.8K+0.2%1.19M after
Jan 14, 2022 (view filing)Jan 131 dayDaugherty Frank JosephChief Medical OfficerPPurchase+1.00K$19.99+$20.0K+1.1%89.1K after
Jan 14, 2022 (view filing)Jan 131 dayThompson JayeVP Clinical Reg. AffairsPPurchase+1.00K$19.99+$20.0K+0.4%254.0K after
Jan 18, 2022 (view filing)Jan 135 daysPatel SnehalCEO and CFOPPurchase+1.00K$19.99+$20.0K+0.1%1.19M after
Jan 19, 2022 (view filing)Jan 181 dayThompson JayeVP Clinical Reg. AffairsPPurchase+500$18.87+$9.44K+0.2%254.5K after
Jan 24, 2022 (view filing)Jan 213 daysHallock KennethDirectorPPurchase+300$16.32+$4.90K+0.1%397.3K after
Jan 24, 2022 (view filing)Jan 213 daysThompson JayeVP Clinical Reg AffairsPPurchase+500$16.33+$8.16K+0.2%255.0K after
Feb 1, 2022 (view filing)Jan 311 dayThompson JayeVP Clinical Reg AffairsPPurchase+500$18.47+$9.23K+0.2%255.5K after
Feb 8, 2022 (view filing)Feb 44 daysPatel SnehalCEO and CFOPPurchase+5.00K$19.59+$98.0K+0.4%1.20M after
Feb 14, 2022 (view filing)Feb 113 daysPatel SnehalCEO and CFOPPurchase+5.50K$19.80+$108.9K+0.5%1.20M after
Apr 20, 2022 (view filing)Apr 191 dayThompson JayeVP Clinical Reg AffairsPPurchase+500$16.74+$8.37K+0.2%256.0K after
Apr 21, 2022 (view filing)Apr 192 daysPatel SnehalCEO and CFOPPurchase+6.00K$16.74+$100.4K+0.5%1.21M after
Apr 22, 2022 (view filing)Apr 211 dayPatel SnehalCEO and CFOPPurchase+6.00K$16.09+$96.5K+0.5%1.22M after
Apr 26, 2022 (view filing)Apr 251 dayDaugherty Frank JosephChief Medical OfficerPPurchase+1.00K$16.25+$16.3K+1.1%90.1K after
Jun 3, 2022 (view filing)Jun 21 dayPatel SnehalCEO and CFOPPurchase+6.77K$7.38+$50.0K+0.6%1.22M after
Jun 6, 2022 (view filing)Jun 33 daysPatel SnehalCEO and CFOPPurchase+9.25K$8.35+$77.2K+0.8%1.23M after
Jun 8, 2022 (view filing)Jun 71 dayPatel SnehalCEO and CFOPPurchase+6.00K$8.55+$51.3K+0.5%1.24M after
Jun 10, 2022 (view filing)Jun 91 dayPatel SnehalCEO and CFOPPurchase+4.50K$10.90+$49.0K+0.4%1.24M after
Jun 13, 2022 (view filing)Jun 103 daysPatel SnehalCEO and CFOPPurchase+12.0K$8.33+$100.0K+0.5%2.66M after
Jun 15, 2022 (view filing)Jun 141 dayPatel SnehalCEO and CFOPPurchase+12.0K$7.91+$94.9K+0.5%2.68M after
Jun 17, 2022 (view filing)Jun 161 dayPatel SnehalCEO and CFOPPurchase+8.00K$7.13+$57.0K+0.3%2.68M after
Jun 27, 2022 (view filing)Jun 243 daysPatel SnehalCEO and CFOPPurchase+22.5K$9.13+$205.7K+0.8%2.71M after
Jun 27, 2022 (view filing)Jun 243 daysPatel SnehalCEO and CFOPPurchase+6.46K$9.13+$59.0K+0.2%2.71M after
Oct 3, 2022 (view filing)Sep 294 daysPatel SnehalCEO and CFOPPurchase+1.00K$9.23+$9.23K0.0%2.71M after
Oct 4, 2022 (view filing)Sep 304 daysPatel SnehalCEO and CFOPPurchase+1.00K$9.46+$9.46K0.0%2.71M after
Oct 11, 2022 (view filing)Oct 74 daysPatel SnehalCEO and CFOPPurchase+2.00K$9.72+$19.4K+0.1%2.72M after
Oct 17, 2022 (view filing)Oct 143 daysPatel SnehalCEO and CFOPPurchase+3.00K$9.75+$29.3K+0.1%2.72M after
Nov 4, 2022 (view filing)Nov 22 daysPatel SnehalCEO and CFOPPurchase+2.00K$8.79+$17.6K+0.1%2.72M after
Dec 6, 2022 (view filing)Dec 24 daysThompson JayeVP Clinical Reg AffairsPPurchase+250$13.98+$3.50K+0.1%256.2K after
Dec 6, 2022 (view filing)Dec 24 daysPatel SnehalCEO and CFOPPurchase+1.00K$13.84+$13.8K0.0%2.72M after
Dec 13, 2022 (view filing)Dec 94 daysPatel SnehalCEO and CFOPPurchase+2.00K$13.11+$26.2K+0.1%2.72M after
Dec 20, 2022 (view filing)Dec 164 daysThompson JayeVP Clinical Reg AffairsPPurchase+250$12.94+$3.23K+0.1%256.5K after
Dec 20, 2022 (view filing)Dec 164 daysPatel SnehalCEO and CFOPPurchase+1.00K$13.01+$13.0K0.0%2.73M after
Jan 3, 2023 (view filing)Dec 29, 20225 daysPatel SnehalCEO and CFOPPurchase+4.00K$15.19+$60.8K+0.1%2.73M after
Jan 10, 2023 (view filing)Jan 64 daysPatel SnehalCEO and CFOPPurchase+1.50K$15.18+$22.8K+0.1%2.73M after
Jan 17, 2023 (view filing)Jan 134 daysThompson JayeVP Clinical Reg AffairsPPurchase+250$16.50+$4.13K+0.1%256.7K after
Jan 24, 2023 (view filing)Jan 204 daysPatel SnehalCEO and CFOPPurchase+1.50K$17.37+$26.1K+0.1%2.73M after
Jan 30, 2023 (view filing)Jan 273 daysThompson JayeVP Clinical Reg AffairsPPurchase+250$19.20+$4.80K+0.1%257.0K after
Jan 31, 2023 (view filing)Jan 274 daysPatel SnehalCEO and CFOPPurchase+2.00K$19.35+$38.7K+0.1%2.73M after
Feb 7, 2023 (view filing)Feb 34 daysThompson JayeVP Clinical Reg AffairsPPurchase+250$20.84+$5.21K+0.1%257.2K after
Feb 14, 2023 (view filing)Feb 104 daysPatel SnehalCEO and CFOPPurchase+1.00K$18.68+$18.7K0.0%2.74M after
Feb 22, 2023 (view filing)Feb 175 daysPatel SnehalCEO and CFOPPurchase+600$16.53+$9.92K0.0%2.74M after
Feb 28, 2023 (view filing)Feb 244 daysThompson JayeVP Clinical Reg AffairsPPurchase+250$15.40+$3.85K+0.1%257.5K after
Mar 13, 2023 (view filing)Mar 103 daysPatel SnehalCEO and CFOPPurchase+1.00K$12.12+$12.1K0.0%2.74M after
Mar 16, 2023 (view filing)Mar 151 dayThompson JayeVP Clinical Reg AffairsPPurchase+250$12.71+$3.18K+0.1%257.7K after
Apr 12, 2023 (view filing)Apr 111 dayPatel SnehalCEO and CFOPPurchase+5.00K$12.42+$62.1K+0.1%5.27M after
Apr 12, 2023 (view filing)Apr 111 dayThompson JayeVP Clinical Reg AffairsPPurchase+1.00K$11.87+$11.9K+0.4%258.7K after