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Greenwich Lifesciences Inc (GLSI)

The most recent insider trading activity occurred on January 13, 2026, with CEO and CFO Patel Snehal executing a buy transaction of 1,800 shares valued at $53,694. This follows a series of consistent buy transactions by the same insider throughout late 2025 and early 2026, indicating sustained confidence.
Stock chart
Ticker: GLSI Exchange: NAS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Patel Snehal
CEO and CFO
1 purchase — total 53,694 USD
Buy 13 Jan 2026
Value US$4,716,003.75 | Price 292.65 | Shares 42,210
Buy 12 Jan 2026
Value US$1,379,274.52 | Price 56.85 | Shares 34,247
Buy 31 Dec 2025
Value US$91,848.00 | Price 21.36 | Shares 4,300
Buy 30 Dec 2025
Value US$63,017.00 | Price 21.73 | Shares 2,900
Buy 18 Dec 2025
Value US$51,742.00 | Price 12.62 | Shares 4,100
Buy 25 Nov 2025
Value US$38,502.00 | Price 8.37 | Shares 4,600
Buy 7 Nov 2025
Value US$89,358.00 | Price 8.43 | Shares 10,600
Buy 31 Oct 2025
Value US$21,298.00 | Price 9.26 | Shares 2,300
Buy 25 Apr 2025
Value US$35,568.00 | Price 9.88 | Shares 3,600
Buy 17 Apr 2025
Value US$48,492.00 | Price 8.98 | Shares 5,400
Buy 7 Apr 2025
Value US$32,760.00 | Price 9.10 | Shares 3,600
Buy 4 Apr 2025
Value US$48,015.00 | Price 8.73 | Shares 5,500
Buy 10 Jan 2025
Value US$31,275.00 | Price 12.51 | Shares 2,500
Buy 7 Jan 2025
Value US$24,750.00 | Price 13.75 | Shares 1,800
Buy 6 Jan 2025
Value US$14,641.00 | Price 13.31 | Shares 1,100
Buy 3 Jan 2025
Value US$44,030.00 | Price 12.95 | Shares 3,400
Buy 2 Jan 2025
Value US$23,940.00 | Price 11.97 | Shares 2,000
Buy 31 Dec 2024
Value US$27,264.00 | Price 11.36 | Shares 2,400
Buy 30 Dec 2024
Value US$35,584.00 | Price 11.12 | Shares 3,200
Buy 21 Nov 2024
Value US$12,910.00 | Price 12.91 | Shares 1,000
Buy 26 Sep 2024
Value US$21,945.00 | Price 14.63 | Shares 1,500
Buy 12 Aug 2024
Value US$11,080.00 | Price 13.85 | Shares 800
Buy 6 Aug 2024
Value US$27,620.00 | Price 13.81 | Shares 2,000
Buy 5 Aug 2024
Value US$72,490.00 | Price 13.18 | Shares 5,500
Buy 2 Aug 2024
Value US$15,150.00 | Price 15.15 | Shares 1,000
Buy 23 Jul 2024
Value US$23,835.00 | Price 15.89 | Shares 1,500
Buy 18 Jul 2024
Value US$16,000.00 | Price 16.00 | Shares 1,000
Buy 13 Jun 2024
Value US$2,499,997.50 | Price 14.30 | Shares 174,825
Buy 1 Apr 2024
Value US$57,240.00 | Price 19.08 | Shares 3,000
Buy 22 Mar 2024
Value US$49,950.00 | Price 19.98 | Shares 2,500
Buy 20 Mar 2024
Value US$26,520.00 | Price 17.68 | Shares 1,500
Buy 5 Mar 2024
Value US$380,945.00 | Price 12.49 | Shares 30,500
Buy 4 Mar 2024
Value US$53,423.00 | Price 13.03 | Shares 4,100
Buy 16 Feb 2024
Value US$120,528.00 | Price 11.16 | Shares 10,800
Buy 15 Feb 2024
Value US$140,589.00 | Price 11.07 | Shares 12,700
Buy 10 Nov 2023
Value US$50,837.50 | Price 10.17 | Shares 5,000
Buy 3 Nov 2023
Value US$31,885.00 | Price 9.11 | Shares 3,500
Buy 27 Oct 2023
Value US$4,285.00 | Price 8.57 | Shares 500
Buy 26 Oct 2023
Value US$19,925.00 | Price 7.97 | Shares 2,500
Buy 25 Oct 2023
Value US$19,775.00 | Price 7.91 | Shares 2,500
Buy 10 Oct 2023
Value US$9,070.00 | Price 9.07 | Shares 1,000
Buy 4 Oct 2023
Value US$17,260.00 | Price 8.63 | Shares 2,000
Buy 26 Sep 2023
Value US$5,226.00 | Price 8.71 | Shares 600
Buy 19 Sep 2023
Value US$35,800.00 | Price 8.95 | Shares 4,000
Buy 11 Sep 2023
Value US$9,480.00 | Price 9.48 | Shares 1,000
Buy 22 Aug 2023
Value US$9,970.00 | Price 9.97 | Shares 1,000
Buy 4 Aug 2023
Value US$21,100.00 | Price 10.55 | Shares 2,000
Buy 21 Jul 2023
Value US$9,200.00 | Price 9.20 | Shares 1,000
Buy 13 Jul 2023
Value US$2,372.50 | Price 9.49 | Shares 250
Buy 17 May 2023
Value US$11,690.00 | Price 11.69 | Shares 1,000
Buy 28 Apr 2023
Value US$2,805.00 | Price 11.22 | Shares 250
Buy 19 Apr 2023
Value US$77,700.00 | Price 11.10 | Shares 7,000
Buy 18 Apr 2023
Value US$22,240.00 | Price 11.12 | Shares 2,000
Buy 11 Apr 2023
Value US$62,100.00 | Price 12.42 | Shares 5,000
Buy 11 Apr 2023
Value US$11,870.00 | Price 11.87 | Shares 1,000
Buy 15 Mar 2023
Value US$3,177.50 | Price 12.71 | Shares 250
Buy 10 Mar 2023
Value US$12,120.00 | Price 12.12 | Shares 1,000
Buy 24 Feb 2023
Value US$3,848.75 | Price 15.40 | Shares 250
Buy 17 Feb 2023
Value US$9,918.00 | Price 16.53 | Shares 600
Buy 10 Feb 2023
Value US$18,680.00 | Price 18.68 | Shares 1,000
Buy 3 Feb 2023
Value US$5,210.00 | Price 20.84 | Shares 250
Buy 27 Jan 2023
Value US$38,700.00 | Price 19.35 | Shares 2,000
Buy 27 Jan 2023
Value US$4,800.00 | Price 19.20 | Shares 250
Buy 20 Jan 2023
Value US$26,055.00 | Price 17.37 | Shares 1,500
Buy 13 Jan 2023
Value US$4,125.00 | Price 16.50 | Shares 250
Buy 6 Jan 2023
Value US$22,770.00 | Price 15.18 | Shares 1,500
Buy 29 Dec 2022
Value US$60,760.00 | Price 15.19 | Shares 4,000
Buy 16 Dec 2022
Value US$3,235.00 | Price 12.94 | Shares 250
Buy 16 Dec 2022
Value US$13,010.00 | Price 13.01 | Shares 1,000
Buy 9 Dec 2022
Value US$26,220.00 | Price 13.11 | Shares 2,000
Buy 2 Dec 2022
Value US$13,840.00 | Price 13.84 | Shares 1,000
Buy 2 Dec 2022
Value US$3,495.00 | Price 13.98 | Shares 250
Buy 2 Nov 2022
Value US$17,580.00 | Price 8.79 | Shares 2,000
Buy 14 Oct 2022
Value US$29,250.00 | Price 9.75 | Shares 3,000
Buy 7 Oct 2022
Value US$19,440.00 | Price 9.72 | Shares 2,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-01-15 2026-01-13 B Purchase

CEO and CFO

Executive Director Large shareholder
42,210 -31.7%
292.65
US$4,716,004
42,210 -31.7% 292.65 US$4,716,004
2026-01-14 2026-01-12 B Purchase

CEO and CFO

Executive Director Large shareholder
34,247 +14.4%
56.85
US$1,379,275
34,247 +14.4% 56.85 US$1,379,275
2026-01-05 2025-12-31 B Purchase

CEO and CFO

Executive Director Large shareholder
36,342 +43.3%
155.59
US$2,254,476
36,342 +43.3% 155.59 US$2,254,476
2026-01-02 2025-12-30 B Purchase

CEO and CFO

Executive Director Large shareholder
2,900 +0.1%
21.73
US$63,017
2,900 +0.1% 21.73 US$63,017
2025-12-19 2025-12-18 B Purchase

CEO and CFO

Executive Director Large shareholder
4,100 +0.1%
12.62
US$51,742
4,100 +0.1% 12.62 US$51,742
2025-11-28 2025-11-25 B Purchase

CEO and CFO

Executive Director Large shareholder
4,600 +0.1%
8.37
US$38,502
4,600 +0.1% 8.37 US$38,502
2025-11-12 2025-11-07 B Purchase

CEO and CFO

Executive Director Large shareholder
10,600 +0.2%
8.43
US$89,358
10,600 +0.2% 8.43 US$89,358
2025-11-04 2025-10-31 B Purchase

CEO and CFO

Executive Director Large shareholder
2,300 +0.0%
9.26
US$21,298
2,300 +0.0% 9.26 US$21,298
2025-04-29 2025-04-25 B Purchase

CEO and CFO

Executive Director Large shareholder
3,600 +0.1%
9.88
US$35,568
3,600 +0.1% 9.88 US$35,568
2025-04-22 2025-04-17 B Purchase

CEO and CFO

Executive Director Large shareholder
5,400 +0.1%
8.98
US$48,492
5,400 +0.1% 8.98 US$48,492
2025-04-08 2025-04-07 B Purchase

CEO and CFO

Executive Director Large shareholder
3,600 +0.1%
9.10
US$32,760
3,600 +0.1% 9.10 US$32,760
2025-04-07 2025-04-04 B Purchase

CEO and CFO

Executive Director Large shareholder
5,500 +0.1%
8.73
US$48,015
5,500 +0.1% 8.73 US$48,015
2025-01-13 2025-01-10 B Purchase

CEO and CFO

Executive Director Large shareholder
2,500 +0.0%
12.51
US$31,275
2,500 +0.0% 12.51 US$31,275
2025-01-08 2025-01-07 B Purchase

CEO and CFO

Executive Director Large shareholder
1,800 +0.0%
13.75
US$24,750
1,800 +0.0% 13.75 US$24,750
2025-01-08 2025-01-06 B Purchase

CEO and CFO

Executive Director Large shareholder
1,100 +0.0%
13.31
US$14,641
1,100 +0.0% 13.31 US$14,641
2025-01-07 2025-01-03 B Purchase

CEO and CFO

Executive Director Large shareholder
3,400 +0.1%
12.95
US$44,030
3,400 +0.1% 12.95 US$44,030
2025-01-06 2025-01-02 B Purchase

CEO and CFO

Executive Director Large shareholder
2,000 +0.0%
11.97
US$23,940
2,000 +0.0% 11.97 US$23,940
2025-01-03 2024-12-31 B Purchase

CEO and CFO

Executive Director Large shareholder
2,400 +0.0%
11.36
US$27,264
2,400 +0.0% 11.36 US$27,264
2025-01-02 2024-12-30 B Purchase

CEO and CFO

Executive Director Large shareholder
3,200 +0.1%
11.12
US$35,584
3,200 +0.1% 11.12 US$35,584
2024-11-25 2024-11-21 B Purchase

VP Clinical Reg Affairs

Officer
1,000 +0.4%
12.91
US$12,910
1,000 +0.4% 12.91 US$12,910
2024-09-30 2024-09-26 B Purchase

CEO and CFO

Executive Director Large shareholder
1,500 +0.0%
14.63
US$21,945
1,500 +0.0% 14.63 US$21,945
2024-09-16 2024-08-12 B Purchase

VP Clinical Reg Affairs

Officer
800 +0.3%
13.85
US$11,080
800 +0.3% 13.85 US$11,080
2024-08-08 2024-08-06 B Purchase

CEO and CFO

Executive Director Large shareholder
2,000 +0.0%
13.81
US$27,620
2,000 +0.0% 13.81 US$27,620
2024-08-07 2024-08-05 B Purchase

CEO and CFO

Executive Director Large shareholder
5,500 +0.1%
13.18
US$72,490
5,500 +0.1% 13.18 US$72,490
2024-08-05 2024-08-02 B Purchase

VP Clinical Reg Affairs

Officer
1,000 +0.4%
15.15
US$15,150
1,000 +0.4% 15.15 US$15,150
2024-07-24 2024-07-23 B Purchase

CEO and CFO

Executive Director Large shareholder
1,500 +0.0%
15.89
US$23,835
1,500 +0.0% 15.89 US$23,835
2024-07-22 2024-07-18 B Purchase

VP Clinical Reg Affairs

Officer
1,000 +0.4%
16.00
US$16,000
1,000 +0.4% 16.00 US$16,000
2024-06-17 2024-06-13 B Purchase

CEO and CFO

Executive Director Large shareholder
174,825 +3.3%
14.30
US$2,499,998
174,825 +3.3% 14.30 US$2,499,998
2024-04-03 2024-04-01 B Purchase

CEO and CFO

Executive Director Large shareholder
3,000 +0.1%
19.08
US$57,240
3,000 +0.1% 19.08 US$57,240
2024-03-26 2024-03-22 B Purchase

CEO and CFO

Executive Director Large shareholder
2,500 +0.0%
19.98
US$49,950
2,500 +0.0% 19.98 US$49,950
2024-03-22 2024-03-20 B Purchase

CEO and CFO

Executive Director Large shareholder
1,500 +0.0%
17.68
US$26,520
1,500 +0.0% 17.68 US$26,520
2024-03-07 2024-03-05 B Purchase

CEO and CFO

Executive Director Large shareholder
30,500 +0.6%
12.49
US$380,945
30,500 +0.6% 12.49 US$380,945
2024-03-06 2024-03-04 B Purchase

CEO and CFO

Executive Director Large shareholder
4,100 +0.1%
13.03
US$53,423
4,100 +0.1% 13.03 US$53,423
2024-02-21 2024-02-16 B Purchase

CEO and CFO

Executive Director Large shareholder
10,800 +0.2%
11.16
US$120,528
10,800 +0.2% 11.16 US$120,528
2024-02-20 2024-02-15 B Purchase

CEO and CFO

Executive Director Large shareholder
12,700 +0.2%
11.07
US$140,589
12,700 +0.2% 11.07 US$140,589
2023-11-14 2023-11-10 B Purchase

CEO and CFO

Executive Director Large shareholder
5,000 +0.1%
10.17
US$50,838
5,000 +0.1% 10.17 US$50,838
2023-11-07 2023-11-03 B Purchase

CEO and CFO

Executive Director Large shareholder
3,500 +0.1%
9.11
US$31,885
3,500 +0.1% 9.11 US$31,885
2023-10-31 2023-10-27 B Purchase

VP Clinical Reg Affairs

Officer
500 +0.2%
8.57
US$4,285
500 +0.2% 8.57 US$4,285
2023-10-30 2023-10-26 B Purchase

CEO and CFO

Executive Director Large shareholder
2,500 +0.0%
7.97
US$19,925
2,500 +0.0% 7.97 US$19,925
2023-10-27 2023-10-25 B Purchase

CEO and CFO

Executive Director Large shareholder
2,500 +0.0%
7.91
US$19,775
2,500 +0.0% 7.91 US$19,775
2023-10-12 2023-10-10 B Purchase

CEO and CFO

Executive Director Large shareholder
1,000 +0.0%
9.07
US$9,070
1,000 +0.0% 9.07 US$9,070
2023-10-05 2023-10-04 B Purchase

CEO and CFO

Executive Director Large shareholder
2,000 +0.0%
8.63
US$17,260
2,000 +0.0% 8.63 US$17,260
2023-09-28 2023-09-26 B Purchase

VP Clinical Reg Affairs

Officer
600 +0.2%
8.71
US$5,226
600 +0.2% 8.71 US$5,226
2023-09-21 2023-09-19 B Purchase

CEO and CFO

Executive Director Large shareholder
4,000 +0.1%
8.95
US$35,800
4,000 +0.1% 8.95 US$35,800
2023-09-13 2023-09-11 B Purchase

CEO and CFO

Executive Director Large shareholder
1,000 +0.0%
9.48
US$9,480
1,000 +0.0% 9.48 US$9,480
2023-08-24 2023-08-22 B Purchase

CEO and CFO

Executive Director Large shareholder
1,000 +0.0%
9.97
US$9,970
1,000 +0.0% 9.97 US$9,970
2023-08-08 2023-08-04 B Purchase

CEO and CFO

Executive Director Large shareholder
2,000 +0.0%
10.55
US$21,100
2,000 +0.0% 10.55 US$21,100
2023-07-25 2023-07-21 B Purchase

CEO and CFO

Executive Director Large shareholder
1,000 +0.0%
9.20
US$9,200
1,000 +0.0% 9.20 US$9,200
2023-07-17 2023-07-13 B Purchase

VP Clinical Reg Affairs

Officer
250 +0.1%
9.49
US$2,372
250 +0.1% 9.49 US$2,372
2023-05-18 2023-05-17 B Purchase

CEO and CFO

Executive Director Large shareholder
1,000 +0.0%
11.69
US$11,690
1,000 +0.0% 11.69 US$11,690
2023-05-02 2023-04-28 B Purchase

VP Clinical Reg Affairs

Officer
250 +0.1%
11.22
US$2,805
250 +0.1% 11.22 US$2,805
2023-04-21 2023-04-19 B Purchase

CEO and CFO

Executive Director Large shareholder
7,000 +0.1%
11.10
US$77,700
7,000 +0.1% 11.10 US$77,700
2023-04-20 2023-04-18 B Purchase

CEO and CFO

Executive Director Large shareholder
2,000 +0.0%
11.12
US$22,240
2,000 +0.0% 11.12 US$22,240
2023-04-12 2023-04-11 B Purchase

CEO and CFO

Executive Director Large shareholder
5,000 +0.1%
12.42
US$62,100
5,000 +0.1% 12.42 US$62,100
2023-04-12 2023-04-11 B Purchase

VP Clinical Reg Affairs

Officer
1,000 +0.4%
11.87
US$11,870
1,000 +0.4% 11.87 US$11,870
2023-03-16 2023-03-15 B Purchase

VP Clinical Reg Affairs

Officer
250 +0.1%
12.71
US$3,178
250 +0.1% 12.71 US$3,178
2023-03-13 2023-03-10 B Purchase

CEO and CFO

Executive Director Large shareholder
1,000 +0.0%
12.12
US$12,120
1,000 +0.0% 12.12 US$12,120
2023-02-28 2023-02-24 B Purchase

VP Clinical Reg Affairs

Officer
250 +0.1%
15.40
US$3,849
250 +0.1% 15.40 US$3,849
2023-02-22 2023-02-17 B Purchase

CEO and CFO

Executive Director Large shareholder
600 +0.0%
16.53
US$9,918
600 +0.0% 16.53 US$9,918
2023-02-14 2023-02-10 B Purchase

CEO and CFO

Executive Director Large shareholder
1,000 +0.0%
18.68
US$18,680
1,000 +0.0% 18.68 US$18,680
2023-02-07 2023-02-03 B Purchase

VP Clinical Reg Affairs

Officer
250 +0.1%
20.84
US$5,210
250 +0.1% 20.84 US$5,210
2023-01-31 2023-01-27 B Purchase

CEO and CFO

Executive Director Large shareholder
2,000 +0.1%
19.35
US$38,700
2,000 +0.1% 19.35 US$38,700
2023-01-30 2023-01-27 B Purchase

VP Clinical Reg Affairs

Officer
250 +0.1%
19.20
US$4,800
250 +0.1% 19.20 US$4,800
2023-01-24 2023-01-20 B Purchase

CEO and CFO

Executive Director Large shareholder
1,500 +0.1%
17.37
US$26,055
1,500 +0.1% 17.37 US$26,055
2023-01-17 2023-01-13 B Purchase

VP Clinical Reg Affairs

Officer
250 +0.1%
16.50
US$4,125
250 +0.1% 16.50 US$4,125
2023-01-10 2023-01-06 B Purchase

CEO and CFO

Executive Director Large shareholder
1,500 +0.1%
15.18
US$22,770
1,500 +0.1% 15.18 US$22,770
2023-01-03 2022-12-29 B Purchase

CEO and CFO

Executive Director Large shareholder
4,000 +0.1%
15.19
US$60,760
4,000 +0.1% 15.19 US$60,760
2022-12-20 2022-12-16 B Purchase

VP Clinical Reg Affairs

Officer
250 +0.1%
12.94
US$3,235
250 +0.1% 12.94 US$3,235
2022-12-20 2022-12-16 B Purchase

CEO and CFO

Executive Director Large shareholder
1,000 +0.0%
13.01
US$13,010
1,000 +0.0% 13.01 US$13,010
2022-12-13 2022-12-09 B Purchase

CEO and CFO

Executive Director Large shareholder
2,000 +0.1%
13.11
US$26,220
2,000 +0.1% 13.11 US$26,220
2022-12-06 2022-12-02 B Purchase

CEO and CFO

Executive Director Large shareholder
1,000 +0.0%
13.84
US$13,840
1,000 +0.0% 13.84 US$13,840
2022-12-06 2022-12-02 B Purchase

VP Clinical Reg Affairs

Officer
250 +0.1%
13.98
US$3,495
250 +0.1% 13.98 US$3,495
2022-11-04 2022-11-02 B Purchase

CEO and CFO

Executive Director Large shareholder
2,000 +0.1%
8.79
US$17,580
2,000 +0.1% 8.79 US$17,580
2022-10-17 2022-10-14 B Purchase

CEO and CFO

Executive Director Large shareholder
3,000 +0.1%
9.75
US$29,250
3,000 +0.1% 9.75 US$29,250
2022-10-11 2022-10-07 B Purchase

CEO and CFO

Executive Director Large shareholder
2,000 +0.1%
9.72
US$19,440
2,000 +0.1% 9.72 US$19,440