SEC Insider Transactions from Patel Snehal.

Last updated: 2026-03-16 13:00 UTC | Total transactions: 57

Snehal Patel, CEO and CFO of Greenwich LifeSciences ($GLSI), made twelve open market purchases totaling $654,000 over the past year. His most recent buy was on January 13, 2026. These purchases rank 700th among nearly 5,000 insiders in our database, where the average is about $1.5 million across 3.3 transactions. Patel had no open market sales in the last 365 days.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Jan. 13, 2026 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1800 $29.83 5,604,102.0000 13,854,539 0.03% 0.01%
Jan. 12, 2026 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2900 $27.54 5,602,302.0000 13,854,539 0.05% 0.02%
Dec. 31, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 4300 $21.36 5,599,402.0000 13,854,539 0.08% 0.03%
Dec. 30, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2900 $21.73 5,595,102.0000 13,854,539 0.05% 0.02%
Dec. 18, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 4100 $12.62 5,592,202.0000 13,854,539 0.07% 0.03%
Nov. 25, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 4600 $8.37 5,588,102.0000 13,854,539 0.08% 0.03%
Nov. 13, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO A Stock Options 100000 $0.00 2,347,462.0000 13,854,539 4.45% 0.72%
Nov. 7, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 10600 $8.43 5,583,502.0000 13,854,539 0.19% 0.08%
Oct. 31, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2300 $9.26 5,572,902.0000 13,854,539 0.04% 0.02%
April 25, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 3600 $9.88 5,570,602.0000 13,273,539 0.06% 0.03%
April 17, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 5400 $8.98 5,567,002.0000 13,273,539 0.10% 0.04%
April 7, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 3600 $9.10 5,561,602.0000 0 0.06% 0.00%
April 4, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 5500 $8.73 5,558,002.0000 0 0.10% 0.00%
Jan. 10, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2500 $12.51 5,552,502.0000 0 0.05% 0.00%
Jan. 6, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1100 $13.31 5,548,202.0000 0 0.02% 0.00%
Jan. 7, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1800 $13.75 5,550,002.0000 0 0.03% 0.00%
Jan. 3, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 3400 $12.95 5,547,102.0000 0 0.06% 0.00%
Jan. 2, 2025 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2000 $11.97 5,543,702.0000 0 0.04% 0.00%
Dec. 31, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2400 $11.36 5,541,702.0000 0 0.04% 0.00%
Dec. 30, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 3200 $11.12 5,539,302.0000 0 0.06% 0.00%
Dec. 24, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO A Stock Options 25008 $0.00 4,469,916.0000 0 0.56% 0.00%
Dec. 24, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO A Stock Options 1148723 $0.00 4,469,916.0000 0 34.59% 0.00%
Sept. 26, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1500 $14.63 5,536,102.0000 0 0.03% 0.00%
Aug. 6, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2000 $13.81 5,534,602.0000 0 0.04% 0.00%
Aug. 5, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 5500 $13.18 5,532,602.0000 0 0.10% 0.00%
July 23, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1500 $15.89 5,527,102.0000 0 0.03% 0.00%
June 13, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 174825 $14.30 5,525,602.0000 0 3.27% 0.00%
April 1, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 3000 $19.08 5,350,777.0000 0 0.06% 0.00%
March 22, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2500 $19.98 5,347,777.0000 0 0.05% 0.00%
March 20, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1500 $17.68 5,345,277.0000 0 0.03% 0.00%
March 5, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 3500 $12.49 5,343,777.0000 0 0.07% 0.00%
March 5, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 30500 $12.49 5,343,777.0000 0 0.57% 0.00%
March 4, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 4100 $13.03 5,340,277.0000 0 0.08% 0.00%
Feb. 16, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 10800 $11.16 5,336,177.0000 0 0.20% 0.00%
Feb. 15, 2024 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 12700 $11.07 5,325,377.0000 0 0.24% 0.00%
Nov. 10, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 5000 $10.17 5,312,677.0000 0 0.09% 0.00%
Nov. 3, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 3500 $9.11 5,307,677.0000 0 0.07% 0.00%
Oct. 26, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2500 $7.97 5,304,177.0000 0 0.05% 0.00%
Oct. 25, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2500 $7.91 5,301,677.0000 0 0.05% 0.00%
Oct. 10, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1000 $9.07 5,299,177.0000 0 0.02% 0.00%
Oct. 4, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2000 $8.63 5,298,177.0000 0 0.04% 0.00%
Sept. 19, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 4000 $8.95 5,296,177.0000 0 0.08% 0.00%
Sept. 11, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1000 $9.48 5,292,177.0000 0 0.02% 0.00%
Aug. 22, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1000 $9.97 5,291,177.0000 0 0.02% 0.00%
Aug. 4, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2000 $10.55 5,290,177.0000 0 0.04% 0.00%
July 21, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1000 $9.20 5,288,177.0000 0 0.02% 0.00%
May 17, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1000 $11.69 5,287,177.0000 0 0.02% 0.00%
April 19, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 7000 $11.10 5,286,177.0000 0 0.13% 0.00%
April 18, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2000 $11.12 5,279,177.0000 0 0.04% 0.00%
April 11, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 5000 $12.42 5,271,177.0000 0 0.09% 0.00%
March 10, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1000 $12.12 2,737,486.0000 0 0.04% 0.00%
Feb. 17, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 600 $16.53 2,736,486.0000 0 0.02% 0.00%
Feb. 10, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1000 $18.68 2,735,886.0000 0 0.04% 0.00%
Jan. 27, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 2000 $19.35 2,734,886.0000 0 0.07% 0.00%
Jan. 20, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1500 $17.37 2,732,886.0000 0 0.05% 0.00%
Jan. 6, 2023 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 1500 $15.18 2,731,386.0000 0 0.05% 0.00%
Dec. 29, 2022 Greenwich LifeSciences, Inc. $GLSI Patel Snehal CEO and CFO P Common Stock 4000 $15.19 2,729,886.0000 0 0.15% 0.00%