Stock chart
Ticker: GTLB Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

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 Value Details
2025-06-18 2025-06-16 PS Planned sale

Sijbrandij Sytse

Non-Executive Director Large shareholder
1,000 -100.0%
42.11
USD 1,010,303
1,000 -100.0% 42.11 USD 100,000
2025-06-18 2025-06-16 PS Planned sale

Sijbrandij Sytse

Non-Executive Director Large shareholder
1,000 -77.9%
41.25
USD 3,490,080
1,000 -77.9% 41.25 USD 100,000
2025-05-15 2025-05-15 PS Planned sale

BLASING KAREN

Non-Executive Director
300 -0.3%
52.50
USD 15,750
300 -0.3% 52.50 USD 15,750
2025-05-15 2025-05-15 PS Planned sale

BLASING KAREN

Non-Executive Director
2,950 -2.6%
51.49
USD 151,896
2,950 -2.6% 51.49 USD 151,896
2025-05-15 2025-05-14 PS Planned sale

Sijbrandij Sytse

Executive Chair of the Board

Executive Director Large shareholder
17,423 -100.0%
53.58
USD 933,524
17,423 -100.0% 53.58 USD 933,524
2025-05-15 2025-05-14 PS Planned sale

Sijbrandij Sytse

Executive Chair of the Board

Executive Director Large shareholder
91,177 -84.0%
52.92
USD 4,825,087
91,177 -84.0% 52.92 USD 4,825,087
2025-05-15 2025-05-13 PS Planned sale

ROBINS BRIAN G

Chief Financial Officer

Officer
45,000 -11.6%
53.04
USD 2,386,800
45,000 -11.6% 53.04 USD 2,386,800
2025-04-24 2025-04-23 PS Planned sale

BLASING KAREN

Non-Executive Director
3,250 -2.8%
45.00
USD 146,250
3,250 -2.8% 45.00 USD 146,250
2025-04-16 2025-04-15 PS Planned sale

Sijbrandij Sytse

Executive Chair of the Board

Executive Director Large shareholder
108,600 -100.0%
42.87
USD 4,655,682
108,600 -100.0% 42.87 USD 4,655,682
2025-03-26 2025-03-24 S Sale

Jacobson Matthew

Non-Executive Director
3,334 -0.3%
53.13
USD 177,135
3,334 -0.3% 53.13 USD 177,135
2025-03-26 2025-03-24 S Sale

Jacobson Matthew

Non-Executive Director
74,131 -6.9%
52.30
USD 3,877,311
74,131 -6.9% 52.30 USD 3,877,311
2025-03-26 2025-03-24 S Sale

Jacobson Matthew

Non-Executive Director
2,012 -0.3%
53.13
USD 106,898
2,012 -0.3% 53.13 USD 106,898
2025-03-26 2025-03-24 S Sale

Jacobson Matthew

Non-Executive Director
44,741 -6.9%
52.30
USD 2,340,115
44,741 -6.9% 52.30 USD 2,340,115
2025-03-26 2025-03-24 S Sale

Jacobson Matthew

Non-Executive Director
640 -0.1%
53.13
USD 34,003
640 -0.1% 53.13 USD 34,003
2025-03-26 2025-03-24 S Sale

Jacobson Matthew

Non-Executive Director
14,168 -2.6%
52.30
USD 741,047
14,168 -2.6% 52.30 USD 741,047
2025-03-26 2025-03-24 S Sale

Jacobson Matthew

Non-Executive Director
590 -0.1%
53.13
USD 31,347
590 -0.1% 53.13 USD 31,347
2025-03-26 2025-03-24 S Sale

Jacobson Matthew

Non-Executive Director
13,268 -2.6%
52.30
USD 693,942
13,268 -2.6% 52.30 USD 693,942
2025-03-21 2025-03-19 S Sale

BOSTROM SUSAN L

Non-Executive Director
40,000 -21.6%
51.88
USD 2,075,200
40,000 -21.6% 51.88 USD 2,075,200
2025-03-19 2025-03-17 PS Planned sale

Sijbrandij Sytse

Executive Chair of the Board

Executive Director Large shareholder
16,911 -100.0%
52.32
USD 884,784
16,911 -100.0% 52.32 USD 884,784
2025-03-19 2025-03-17 PS Planned sale

Sijbrandij Sytse

Executive Chair of the Board

Executive Director Large shareholder
39,089 -69.8%
51.79
USD 2,024,419
39,089 -69.8% 51.79 USD 2,024,419
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