Stock chart
Ticker: GLSI Exchange: NAS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Total value Details
2024-04-03 2024-04-01 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
3,000 +0.1%
19.08
57,240 USD
3,000 +0.1% 19.08 57,240 USD
2024-03-26 2024-03-22 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
2,500 +0.0%
19.98
49,950 USD
2,500 +0.0% 19.98 49,950 USD
2024-03-22 2024-03-20 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,500 +0.0%
17.68
26,520 USD
1,500 +0.0% 17.68 26,520 USD
2024-03-07 2024-03-05 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
30,500 +0.6%
12.49
380,945 USD
30,500 +0.6% 12.49 380,945 USD
2024-03-06 2024-03-04 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
4,100 +0.1%
13.03
53,423 USD
4,100 +0.1% 13.03 53,423 USD
2024-02-21 2024-02-16 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
10,800 +0.2%
11.16
120,528 USD
10,800 +0.2% 11.16 120,528 USD
2024-02-20 2024-02-15 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
12,700 +0.2%
11.07
140,589 USD
12,700 +0.2% 11.07 140,589 USD
2023-11-14 2023-11-10 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
5,000 +0.1%
10.17
50,838 USD
5,000 +0.1% 10.17 50,838 USD
2023-11-07 2023-11-03 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
3,500 +0.1%
9.11
31,885 USD
3,500 +0.1% 9.11 31,885 USD
2023-10-31 2023-10-27 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
2,500 +0.0%
7.97
19,925 USD
2,500 +0.0% 7.97 19,925 USD
2023-10-27 2023-10-25 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
2,500 +0.0%
7.91
19,775 USD
2,500 +0.0% 7.91 19,775 USD
2023-10-12 2023-10-10 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
9.07
9,070 USD
1,000 +0.0% 9.07 9,070 USD
2023-10-05 2023-10-04 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
2,000 +0.0%
8.63
17,260 USD
2,000 +0.0% 8.63 17,260 USD
2023-09-28 2023-09-26 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
4,000 +0.1%
8.95
35,800 USD
4,000 +0.1% 8.95 35,800 USD
2023-09-13 2023-09-11 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
9.48
9,480 USD
1,000 +0.0% 9.48 9,480 USD
2023-08-24 2023-08-22 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
9.97
9,970 USD
1,000 +0.0% 9.97 9,970 USD
2023-08-08 2023-08-04 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
2,000 +0.0%
10.55
21,100 USD
2,000 +0.0% 10.55 21,100 USD
2023-07-25 2023-07-21 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
9.20
9,200 USD
1,000 +0.0% 9.20 9,200 USD
2023-07-17 2023-07-13 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

Officer
250 +0.1%
9.49
2,373 USD
250 +0.1% 9.49 2,373 USD
2023-05-18 2023-05-17 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
11.69
11,690 USD
1,000 +0.0% 11.69 11,690 USD
2023-05-02 2023-04-28 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
7,000 +0.1%
11.10
77,700 USD
7,000 +0.1% 11.10 77,700 USD
2023-04-20 2023-04-18 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
2,000 +0.0%
11.12
22,240 USD
2,000 +0.0% 11.12 22,240 USD
2023-04-12 2023-04-11 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
5,000 +0.1%
12.42
62,100 USD
5,000 +0.1% 12.42 62,100 USD
2023-04-12 2023-04-11 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
12.12
12,120 USD
1,000 +0.0% 12.12 12,120 USD
2023-02-28 2023-02-24 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
600 +0.0%
16.53
9,918 USD
600 +0.0% 16.53 9,918 USD
2023-02-14 2023-02-10 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
18.68
18,680 USD
1,000 +0.0% 18.68 18,680 USD
2023-02-07 2023-02-03 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
2,000 +0.1%
19.35
38,700 USD
2,000 +0.1% 19.35 38,700 USD
2023-01-30 2023-01-27 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
1,500 +0.1%
17.37
26,055 USD
1,500 +0.1% 17.37 26,055 USD
2023-01-17 2023-01-13 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
1,500 +0.1%
15.18
22,770 USD
1,500 +0.1% 15.18 22,770 USD
2023-01-03 2022-12-29 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
4,000 +0.1%
15.19
60,760 USD
4,000 +0.1% 15.19 60,760 USD
2022-12-20 2022-12-16 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
13.01
13,010 USD
1,000 +0.0% 13.01 13,010 USD
2022-12-13 2022-12-09 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
2,000 +0.1%
13.11
26,220 USD
2,000 +0.1% 13.11 26,220 USD
2022-12-06 2022-12-02 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
13.84
13,840 USD
1,000 +0.0% 13.84 13,840 USD
2022-12-06 2022-12-02 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

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

Patel Snehal

CEO and CFO

Executive Director Major owner
2,000 +0.1%
8.79
17,580 USD
2,000 +0.1% 8.79 17,580 USD
2022-10-17 2022-10-14 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
3,000 +0.1%
9.75
29,250 USD
3,000 +0.1% 9.75 29,250 USD
2022-10-11 2022-10-07 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
2,000 +0.1%
9.72
19,440 USD
2,000 +0.1% 9.72 19,440 USD
2022-10-04 2022-09-30 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
9.46
9,460 USD
1,000 +0.0% 9.46 9,460 USD
2022-10-03 2022-09-29 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.0%
9.23
9,230 USD
1,000 +0.0% 9.23 9,230 USD
2022-06-27 2022-06-24 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
6,465 +0.2%
9.13
59,025 USD
6,465 +0.2% 9.13 59,025 USD
2022-06-27 2022-06-24 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
22,535 +0.8%
9.13
205,745 USD
22,535 +0.8% 9.13 205,745 USD
2022-06-17 2022-06-16 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
8,000 +0.3%
7.13
57,040 USD
8,000 +0.3% 7.13 57,040 USD
2022-06-15 2022-06-14 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
12,000 +0.5%
7.91
94,920 USD
12,000 +0.5% 7.91 94,920 USD
2022-06-13 2022-06-10 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
12,000 +0.5%
8.33
99,960 USD
12,000 +0.5% 8.33 99,960 USD
2022-06-10 2022-06-09 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
4,500 +0.4%
10.90
49,050 USD
4,500 +0.4% 10.90 49,050 USD
2022-06-08 2022-06-07 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
6,000 +0.5%
8.55
51,300 USD
6,000 +0.5% 8.55 51,300 USD
2022-06-06 2022-06-03 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
9,250 +0.8%
8.35
77,238 USD
9,250 +0.8% 8.35 77,238 USD
2022-06-03 2022-06-02 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
6,774 +0.6%
7.38
49,992 USD
6,774 +0.6% 7.38 49,992 USD
2022-04-26 2022-04-25 B Purchase

Daugherty Frank Joseph

Chief Medical Officer

Executive Director
1,000 +1.1%
16.25
16,250 USD
1,000 +1.1% 16.25 16,250 USD
2022-04-22 2022-04-21 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
6,000 +0.5%
16.09
96,540 USD
6,000 +0.5% 16.09 96,540 USD
2022-04-21 2022-04-19 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
6,000 +0.5%
16.74
100,440 USD
6,000 +0.5% 16.74 100,440 USD
2022-04-20 2022-04-19 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

Officer
500 +0.2%
16.74
8,370 USD
500 +0.2% 16.74 8,370 USD
2022-02-14 2022-02-11 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
5,500 +0.5%
19.80
108,900 USD
5,500 +0.5% 19.80 108,900 USD
2022-02-08 2022-02-04 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
5,000 +0.4%
19.59
97,950 USD
5,000 +0.4% 19.59 97,950 USD
2022-02-01 2022-01-31 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

Officer
500 +0.2%
18.47
9,235 USD
500 +0.2% 18.47 9,235 USD
2022-01-24 2022-01-21 B Purchase

Thompson Jaye

VP Clinical Reg Affairs

Officer
500 +0.2%
16.33
8,165 USD
500 +0.2% 16.33 8,165 USD
2022-01-24 2022-01-21 B Purchase

Hallock Kenneth

Non-Executive Director
300 +0.1%
16.32
4,896 USD
300 +0.1% 16.32 4,896 USD
2022-01-19 2022-01-18 B Purchase

Thompson Jaye

VP Clinical Reg. Affairs

Officer
500 +0.2%
18.87
9,435 USD
500 +0.2% 18.87 9,435 USD
2022-01-18 2022-01-13 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,000 +0.1%
19.99
19,990 USD
1,000 +0.1% 19.99 19,990 USD
2022-01-14 2022-01-13 B Purchase

Daugherty Frank Joseph

Chief Medical Officer

Executive Director
1,000 +1.1%
19.99
19,990 USD
1,000 +1.1% 19.99 19,990 USD
2022-01-14 2022-01-13 B Purchase

Thompson Jaye

VP Clinical Reg. Affairs

Officer
1,000 +0.4%
19.99
19,990 USD
1,000 +0.4% 19.99 19,990 USD
2022-01-04 2022-01-03 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
2,050 +0.2%
23.82
48,831 USD
2,050 +0.2% 23.82 48,831 USD
2021-12-16 2021-12-14 B Purchase

Daugherty Frank Joseph

Chief Medical Officer

Executive Director
1,111 +1.3%
26.99
29,983 USD
1,111 +1.3% 26.99 29,983 USD
2021-12-16 2021-12-14 B Purchase

Patel Snehal

CEO and CFO

Executive Director Major owner
1,840 +0.2%
27.17
49,992 USD
1,840 +0.2% 27.17 49,992 USD
2021-12-16 2021-12-14 B Purchase

McWilliams David

Non-Executive Director
200 +0.0%
27.56
5,512 USD
200 +0.0% 27.56 5,512 USD