GLSI
Greenwich Lifesciences Inc
NASDAQ: GLSI · HEALTHCARE · BIOTECHNOLOGY
$21.60
-5.26% today
Updated 2026-04-29
Market cap
$332.37M
P/E ratio
—
P/S ratio
—
EPS (TTM)
$-1.46
Dividend yield
—
52W range
$8 – $34
Volume
0.2M
Greenwich Lifesciences Inc (GLSI) Insider transactions
Net insider activity
Net buying (3,612,917 shares)
Buy transactions
100
Sell transactions
0
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-01-13 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,800 | $29.83 | $53694.00 |
| 2026-01-12 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,900 | $27.54 | $79866.00 |
| 2025-12-31 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 4,300 | $21.36 | $91848.00 |
| 2025-12-30 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,900 | $21.73 | $63017.00 |
| 2025-12-18 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 4,100 | $12.62 | $51742.00 |
| 2025-11-25 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 4,600 | $8.37 | $38502.00 |
| 2025-11-13 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 100,000 | — | — |
| 2025-11-07 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 10,600 | $8.43 | $89358.00 |
| 2025-10-31 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,300 | $9.26 | $21298.00 |
| 2025-04-25 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 3,600 | $9.88 | $35568.00 |
| 2025-04-17 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 5,400 | $8.98 | $48492.00 |
| 2025-04-07 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 3,600 | $9.10 | $32760.00 |
| 2025-04-04 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 5,500 | $8.73 | $48015.00 |
| 2025-01-10 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,500 | $12.51 | $31275.00 |
| 2025-01-07 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,800 | $13.75 | $24750.00 |
| 2025-01-06 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,100 | $13.31 | $14641.00 |
| 2025-01-03 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 3,400 | $12.95 | $44030.00 |
| 2025-01-02 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,000 | $11.97 | $23940.00 |
| 2024-12-31 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,400 | $11.36 | $27264.00 |
| 2024-12-30 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 3,200 | $11.12 | $35584.00 |
| 2024-12-24 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 149,818 | — | — |
| 2024-12-24 | ROTHE, ERIC | Director | Buy | 41,349 | — | — |
| 2024-12-24 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,148,723 | — | — |
| 2024-12-24 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 25,008 | — | — |
| 2024-12-24 | MCWILLIAMS, DAVID | Director | Buy | 61,984 | — | — |
| 2024-12-24 | HALLOCK, KENNETH | Director | Buy | 41,349 | — | — |
| 2024-12-24 | DAUGHERTY, FRANK JOSEPH | Director, Chief Medical Officer | Buy | 104,890 | — | — |
| 2024-11-21 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 1,000 | $12.91 | $12910.00 |
| 2024-09-26 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,500 | $14.63 | $21945.00 |
| 2024-08-12 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 800 | $13.85 | $11080.00 |
| 2024-08-06 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,000 | $13.81 | $27620.00 |
| 2024-08-05 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 5,500 | $13.18 | $72490.00 |
| 2024-08-02 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 1,000 | $15.15 | $15150.00 |
| 2024-07-23 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,500 | $15.89 | $23835.00 |
| 2024-07-18 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 1,000 | $16.00 | $16000.00 |
| 2024-06-13 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 174,825 | $14.30 | $2.50M |
| 2024-04-01 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 3,000 | $19.08 | $57240.00 |
| 2024-03-22 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,500 | $19.98 | $49950.00 |
| 2024-03-20 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,500 | $17.68 | $26520.00 |
| 2024-03-05 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 30,500 | $12.49 | $380945.00 |
| 2024-03-05 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 3,500 | $12.49 | $43715.00 |
| 2024-03-04 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 4,100 | $13.03 | $53423.00 |
| 2024-02-16 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 10,800 | $11.16 | $120528.00 |
| 2024-02-15 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 12,700 | $11.07 | $140589.00 |
| 2023-11-10 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 5,000 | $10.17 | $50837.50 |
| 2023-11-03 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 3,500 | $9.11 | $31885.00 |
| 2023-10-27 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 500 | $8.57 | $4285.00 |
| 2023-10-26 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,500 | $7.97 | $19925.00 |
| 2023-10-25 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,500 | $7.91 | $19775.00 |
| 2023-10-10 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $9.07 | $9070.00 |
| 2023-10-04 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,000 | $8.63 | $17260.00 |
| 2023-09-26 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 600 | $8.71 | $5226.00 |
| 2023-09-19 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 4,000 | $8.95 | $35800.00 |
| 2023-09-11 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $9.48 | $9480.00 |
| 2023-08-22 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $9.97 | $9970.00 |
| 2023-08-04 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,000 | $10.55 | $21100.00 |
| 2023-07-21 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $9.20 | $9200.00 |
| 2023-07-13 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 250 | $9.49 | $2372.50 |
| 2023-05-17 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $11.69 | $11690.00 |
| 2023-04-28 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 250 | $11.22 | $2805.00 |
| 2023-04-19 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 7,000 | $11.10 | $77700.00 |
| 2023-04-18 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,000 | $11.12 | $22240.00 |
| 2023-04-11 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 1,000 | $11.87 | $11870.00 |
| 2023-04-11 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 5,000 | $12.42 | $62100.00 |
| 2023-03-15 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 250 | $12.71 | $3177.50 |
| 2023-03-10 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $12.12 | $12120.00 |
| 2023-02-24 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 250 | $15.40 | $3848.75 |
| 2023-02-17 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 600 | $16.53 | $9918.00 |
| 2023-02-10 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $18.68 | $18680.00 |
| 2023-02-03 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 250 | $20.84 | $5210.00 |
| 2023-01-27 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 250 | $19.20 | $4800.00 |
| 2023-01-27 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,000 | $19.35 | $38700.00 |
| 2023-01-20 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,500 | $17.37 | $26055.00 |
| 2023-01-13 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 250 | $16.50 | $4125.00 |
| 2023-01-06 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,500 | $15.18 | $22770.00 |
| 2022-12-29 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 4,000 | $15.19 | $60760.00 |
| 2022-12-16 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 250 | $12.94 | $3235.00 |
| 2022-12-16 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $13.01 | $13010.00 |
| 2022-12-09 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,000 | $13.11 | $26220.00 |
| 2022-12-02 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 250 | $13.98 | $3495.00 |
| 2022-12-02 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $13.84 | $13840.00 |
| 2022-11-02 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,000 | $8.79 | $17580.00 |
| 2022-10-14 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 3,000 | $9.75 | $29250.00 |
| 2022-10-07 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 2,000 | $9.72 | $19440.00 |
| 2022-09-30 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $9.46 | $9460.00 |
| 2022-09-29 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,000 | $9.23 | $9230.00 |
| 2022-06-24 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 22,535 | $9.13 | $205744.55 |
| 2022-06-24 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 6,465 | $9.13 | $59025.45 |
| 2022-06-22 | THOMPSON, JAYE | VP Clinical Reg Affairs | Buy | 149,818 | — | — |
| 2022-06-22 | ROTHE, ERIC | Director | Buy | 41,349 | — | — |
| 2022-06-22 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 1,048,723 | — | — |
| 2022-06-22 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 25,008 | — | — |
| 2022-06-22 | MCWILLIAMS, DAVID | Director | Buy | 61,984 | — | — |
| 2022-06-22 | HALLOCK, KENNETH | Director | Buy | 41,349 | — | — |
| 2022-06-22 | DAUGHERTY, FRANK JOSEPH | Director, Chief Medical Officer | Buy | 104,890 | — | — |
| 2022-06-16 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 8,000 | $7.13 | $57040.00 |
| 2022-06-14 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 12,000 | $7.91 | $94920.00 |
| 2022-06-10 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 12,000 | $8.33 | $99960.00 |
| 2022-06-09 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 4,500 | $10.90 | $49050.00 |
| 2022-06-07 | PATEL, SNEHAL | Director, CEO and CFO, 10% Owner | Buy | 6,000 | $8.55 | $51300.00 |