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Greenwich LifeSciences, Inc.

GLSI Net buying
CIK 0001799788 #3849 in the set updated 17 Sep 2026
Bought (120 mo)
$8.04M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
+$8.04M
+$8.04M against sales at will

By person

8 insiders · 121 transactions
206×

Snehal Patel holds 206 times base salary in stock. $126.47M of shares against $612.56K in salary for 2024.

Salary from the company's own proxy. The shares are what Snehal Patel last reported holding, valued at $13.10, the price Common Stock was last bought or sold at on the open market here, on 29 Jul 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Patel Snehal
CEO and CFO
$7.27M (86)
—
+$7.27M
9,653,878
65.77%
$126.47M
+31.4%
Hallock Kenneth
Director
$484.00K (5)
—
+$484.00K
794,308
5.41%
$10.41M
+34.1%
Thompson Jaye
VP Clinical Reg Affairs
$164.78K (21)
—
+$164.78K
264,148
1.80%
$3.46M
+4.4%
Daugherty Frank Joseph
Chief Medical Officer
$81.32K (5)
—
+$81.32K
90,121
0.6140%
$1.18M
+6.9%
McWilliams David
Director
$28.61K (3)
—
+$28.61K
620,301
4.23%
$8.13M
+39.6%
Rothe Eric
Director
$10.80K (1)
—
+$10.80K
313,226
2.13%
$4.10M
+0.6%
Patel Kinnary
10% owner
—
—
—
1,329,590
9.06%
$17.42M
+10.8%
Patel Pankaj Amrit
10% owner
—
—
—
0
0.0000%
$0.00
−100.0%

Individual transactions

121
Insider
Date
Role
Action
Shares
Price
Amount
Patel Snehal
29 Jul 2026
CEO and CFO
Buy
700
$13.10
$9.17K
Patel Snehal
28 Jul 2026
CEO and CFO
Buy
1,500
$13.59
$20.39K
Patel Snehal
27 Jul 2026
CEO and CFO
Buy
1,500
$13.62
$20.43K
Patel Snehal
24 Jul 2026
CEO and CFO
Buy
1,100
$12.88
$14.17K
Patel Snehal
23 Jul 2026
CEO and CFO
Buy
2,500
$13.14
$32.85K
Patel Snehal
13 Jan 2026
CEO and CFO
Buy
1,800
$29.83
$53.69K
Patel Snehal
12 Jan 2026
CEO and CFO
Buy
2,900
$27.54
$79.87K
Patel Snehal
31 Dec 2025
CEO and CFO
Buy
4,300
$21.36
$91.85K
Patel Snehal
30 Dec 2025
CEO and CFO
Buy
2,900
$21.73
$63.02K
Patel Snehal
18 Dec 2025
CEO and CFO
Buy
4,100
$12.62
$51.74K
Patel Snehal
25 Nov 2025
CEO and CFO
Buy
4,600
$8.37
$38.50K
Patel Snehal
7 Nov 2025
CEO and CFO
Buy
10,600
$8.43
$89.36K
Patel Snehal
31 Oct 2025
CEO and CFO
Buy
2,300
$9.26
$21.30K
Patel Snehal
25 Apr 2025
CEO and CFO
Buy
3,600
$9.88
$35.57K
Patel Snehal
17 Apr 2025
CEO and CFO
Buy
5,400
$8.98
$48.49K
Patel Snehal
7 Apr 2025
CEO and CFO
Buy
3,600
$9.10
$32.76K
Patel Snehal
4 Apr 2025
CEO and CFO
Buy
5,500
$8.73
$48.02K
Patel Snehal
10 Jan 2025
CEO and CFO
Buy
2,500
$12.51
$31.28K
Patel Snehal
7 Jan 2025
CEO and CFO
Buy
1,800
$13.75
$24.75K
Patel Snehal
6 Jan 2025
CEO and CFO
Buy
1,100
$13.31
$14.64K
Patel Snehal
3 Jan 2025
CEO and CFO
Buy
3,400
$12.95
$44.03K
Patel Snehal
2 Jan 2025
CEO and CFO
Buy
2,000
$11.97
$23.94K
Patel Snehal
31 Dec 2024
CEO and CFO
Buy
2,400
$11.36
$27.26K
Patel Snehal
30 Dec 2024
CEO and CFO
Buy
3,200
$11.12
$35.58K
Thompson Jaye
21 Nov 2024
VP Clinical Reg Affairs
Buy
1,000
$12.91
$12.91K
Patel Snehal
26 Sep 2024
CEO and CFO
Buy
1,500
$14.63
$21.95K
Thompson Jaye
12 Aug 2024
VP Clinical Reg Affairs
Buy
800
$13.85
$11.08K
Patel Snehal
6 Aug 2024
CEO and CFO
Buy
2,000
$13.81
$27.62K
Patel Snehal
5 Aug 2024
CEO and CFO
Buy
5,500
$13.18
$72.49K
Thompson Jaye
2 Aug 2024
VP Clinical Reg Affairs
Buy
1,000
$15.15
$15.15K
Patel Snehal
23 Jul 2024
CEO and CFO
Buy
1,500
$15.89
$23.84K
Thompson Jaye
18 Jul 2024
VP Clinical Reg Affairs
Buy
1,000
$16.00
$16.00K
Patel Snehal
13 Jun 2024
CEO and CFO
Buy
174,825
$14.30
$2.50M
Patel Snehal
1 Apr 2024
CEO and CFO
Buy
3,000
$19.08
$57.24K
Patel Snehal
22 Mar 2024
CEO and CFO
Buy
2,500
$19.98
$49.95K
Patel Snehal
20 Mar 2024
CEO and CFO
Buy
1,500
$17.68
$26.52K
Patel Snehal
5 Mar 2024
CEO and CFO
Buy
30,500
$12.49
$380.95K
Patel Snehal
4 Mar 2024
CEO and CFO
Buy
4,100
$13.03
$53.42K
Patel Snehal
16 Feb 2024
CEO and CFO
Buy
10,800
$11.16
$120.53K
Patel Snehal
15 Feb 2024
CEO and CFO
Buy
12,700
$11.07
$140.59K
Patel Snehal
10 Nov 2023
CEO and CFO
Buy
5,000
$10.17
$50.84K
Patel Snehal
3 Nov 2023
CEO and CFO
Buy
3,500
$9.11
$31.89K
Thompson Jaye
27 Oct 2023
VP Clinical Reg Affairs
Buy
500
$8.57
$4.29K
Patel Snehal
26 Oct 2023
CEO and CFO
Buy
2,500
$7.97
$19.93K
Patel Snehal
25 Oct 2023
CEO and CFO
Buy
2,500
$7.91
$19.78K
Patel Snehal
10 Oct 2023
CEO and CFO
Buy
1,000
$9.07
$9.07K
Patel Snehal
4 Oct 2023
CEO and CFO
Buy
2,000
$8.63
$17.26K
Thompson Jaye
26 Sep 2023
VP Clinical Reg Affairs
Buy
600
$8.71
$5.23K
Patel Snehal
19 Sep 2023
CEO and CFO
Buy
4,000
$8.95
$35.80K
Patel Snehal
11 Sep 2023
CEO and CFO
Buy
1,000
$9.48
$9.48K
Patel Snehal
22 Aug 2023
CEO and CFO
Buy
1,000
$9.97
$9.97K
Patel Snehal
4 Aug 2023
CEO and CFO
Buy
2,000
$10.55
$21.10K
Patel Snehal
21 Jul 2023
CEO and CFO
Buy
1,000
$9.20
$9.20K
Thompson Jaye
13 Jul 2023
VP Clinical Reg Affairs
Buy
250
$9.49
$2.37K
Patel Snehal
17 May 2023
CEO and CFO
Buy
1,000
$11.69
$11.69K
Thompson Jaye
28 Apr 2023
VP Clinical Reg Affairs
Buy
250
$11.22
$2.81K
Patel Snehal
19 Apr 2023
CEO and CFO
Buy
7,000
$11.10
$77.70K
Patel Snehal
18 Apr 2023
CEO and CFO
Buy
2,000
$11.12
$22.24K
Patel Snehal
11 Apr 2023
CEO and CFO
Buy
5,000
$12.42
$62.10K
Thompson Jaye
11 Apr 2023
VP Clinical Reg Affairs
Buy
1,000
$11.87
$11.87K
Thompson Jaye
15 Mar 2023
VP Clinical Reg Affairs
Buy
250
$12.71
$3.18K
Patel Snehal
10 Mar 2023
CEO and CFO
Buy
1,000
$12.12
$12.12K
Thompson Jaye
24 Feb 2023
VP Clinical Reg Affairs
Buy
250
$15.40
$3.85K
Patel Snehal
17 Feb 2023
CEO and CFO
Buy
600
$16.53
$9.92K
Patel Snehal
10 Feb 2023
CEO and CFO
Buy
1,000
$18.68
$18.68K
Thompson Jaye
3 Feb 2023
VP Clinical Reg Affairs
Buy
250
$20.84
$5.21K
Thompson Jaye
27 Jan 2023
VP Clinical Reg Affairs
Buy
250
$19.20
$4.80K
Patel Snehal
27 Jan 2023
CEO and CFO
Buy
2,000
$19.35
$38.70K
Patel Snehal
20 Jan 2023
CEO and CFO
Buy
1,500
$17.37
$26.06K
Thompson Jaye
13 Jan 2023
VP Clinical Reg Affairs
Buy
250
$16.50
$4.13K
Patel Snehal
6 Jan 2023
CEO and CFO
Buy
1,500
$15.18
$22.77K
Patel Snehal
29 Dec 2022
CEO and CFO
Buy
4,000
$15.19
$60.76K
Thompson Jaye
16 Dec 2022
VP Clinical Reg Affairs
Buy
250
$12.94
$3.24K
Patel Snehal
16 Dec 2022
CEO and CFO
Buy
1,000
$13.01
$13.01K
Patel Snehal
9 Dec 2022
CEO and CFO
Buy
2,000
$13.11
$26.22K
Thompson Jaye
2 Dec 2022
VP Clinical Reg Affairs
Buy
250
$13.98
$3.50K
Patel Snehal
2 Dec 2022
CEO and CFO
Buy
1,000
$13.84
$13.84K
Patel Snehal
2 Nov 2022
CEO and CFO
Buy
2,000
$8.79
$17.58K
Patel Snehal
14 Oct 2022
CEO and CFO
Buy
3,000
$9.75
$29.25K
Patel Snehal
7 Oct 2022
CEO and CFO
Buy
2,000
$9.72
$19.44K
Patel Snehal
30 Sep 2022
CEO and CFO
Buy
1,000
$9.46
$9.46K
Patel Snehal
29 Sep 2022
CEO and CFO
Buy
1,000
$9.23
$9.23K
Patel Snehal
24 Jun 2022
CEO and CFO
Buy indirect
6,465
$9.13
$59.03K
Patel Snehal
24 Jun 2022
CEO and CFO
Buy
22,535
$9.13
$205.74K
Patel Snehal
16 Jun 2022
CEO and CFO
Buy
8,000
$7.13
$57.04K
Patel Snehal
14 Jun 2022
CEO and CFO
Buy
12,000
$7.91
$94.92K
Patel Snehal
10 Jun 2022
CEO and CFO
Buy
12,000
$8.33
$99.96K
Patel Snehal
9 Jun 2022
CEO and CFO
Buy
4,500
$10.90
$49.05K
Patel Snehal
7 Jun 2022
CEO and CFO
Buy
6,000
$8.55
$51.30K
Patel Snehal
3 Jun 2022
CEO and CFO
Buy
9,250
$8.35
$77.24K
Patel Snehal
2 Jun 2022
CEO and CFO
Buy
6,774
$7.38
$49.99K
Daugherty Frank Joseph
25 Apr 2022
Chief Medical Officer
Buy
1,000
$16.25
$16.25K
Patel Snehal
21 Apr 2022
CEO and CFO
Buy
6,000
$16.09
$96.54K
Thompson Jaye
19 Apr 2022
VP Clinical Reg Affairs
Buy
500
$16.74
$8.37K
Patel Snehal
19 Apr 2022
CEO and CFO
Buy
6,000
$16.74
$100.44K
Patel Snehal
11 Feb 2022
CEO and CFO
Buy
5,500
$19.80
$108.90K
Patel Snehal
4 Feb 2022
CEO and CFO
Buy
5,000
$19.59
$97.95K
Thompson Jaye
31 Jan 2022
VP Clinical Reg Affairs
Buy
500
$18.47
$9.24K
Hallock Kenneth
21 Jan 2022
Director
Buy
300
$16.32
$4.90K
Thompson Jaye
21 Jan 2022
VP Clinical Reg Affairs
Buy
500
$16.33
$8.17K
Thompson Jaye
18 Jan 2022
VP Clinical Reg. Affairs
Buy
500
$18.87
$9.44K
Daugherty Frank Joseph
13 Jan 2022
Chief Medical Officer
Buy
1,000
$19.99
$19.99K
Thompson Jaye
13 Jan 2022
VP Clinical Reg. Affairs
Buy
1,000
$19.99
$19.99K
Patel Snehal
13 Jan 2022
CEO and CFO
Buy
1,000
$19.99
$19.99K
Patel Snehal
3 Jan 2022
CEO and CFO
Buy
2,050
$23.82
$48.83K
McWilliams David
14 Dec 2021
Director
Buy
200
$27.56
$5.51K
Daugherty Frank Joseph
14 Dec 2021
Chief Medical Officer
Buy
1,111
$26.99
$29.98K
Patel Snehal
14 Dec 2021
CEO and CFO
Buy
1,840
$27.17
$49.99K
Patel Snehal
13 Apr 2021
CEO and CFO
Buy
2,700
$36.98
$99.85K
Hallock Kenneth
24 Nov 2020
Director
Buy indirect
1,000
$5.39
$5.39K
Daugherty Frank Joseph
23 Nov 2020
Chief Medical Officer
Buy
1,000
$5.10
$5.10K
Rothe Eric
20 Nov 2020
Director
Buy
2,000
$5.40
$10.80K
Hallock Kenneth
20 Nov 2020
Director
Buy indirect
1,000
$5.37
$5.37K
McWilliams David
20 Nov 2020
Director
Buy
1,500
$5.40
$8.10K
Patel Snehal
19 Nov 2020
CEO and CFO
Buy
2,000
$5.40
$10.80K
McWilliams David
29 Sep 2020
Director
Buy
2,608
$5.75
$15.00K
Daugherty Frank Joseph
29 Sep 2020
Chief Medical Officer
Buy
1,739
$5.75
$10.00K
Patel Snehal
29 Sep 2020
CEO and CFO
Buy
114,347
$5.75
$657.50K
Hallock Kenneth
29 Sep 2020
Director
Buy indirect
74,782
$5.75
$430.00K
Hallock Kenneth
29 Sep 2020
Director
Buy indirect
8,333
$4.60
$38.35K
Patel Snehal
29 Sep 2020
CEO and CFO
Buy
16,667
$4.60
$76.71K

What was left out

Form 4 filings counted 135
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 2,644,519
History held since 29 Sep 2020