$GTLB

📈 Chart

114 transactions across 33 dates · last 365 days

30d 90d 180d 365d

6-Month Buy/Sell Trend

Buys Sells
▶ 2026-04-15
▼ 1 sell · $2.4M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Sijbrandij Sytse — C 116,200 $0 $0 Plan Apr 16
Sijbrandij Sytse — ▼ Sell 116,200 $21 $2.4M Plan Apr 16
Sijbrandij Sytse — C 116,200 — — Plan Apr 16
▶ 2026-03-31
▲ 2 buys · $128K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Staples William Chief Executive Officer ▲ Buy 5,069 $21 $108K Plan Apr 1
Staples William Chief Executive Officer ▲ Buy 941 $22 $20K Plan Apr 1
▶ 2026-03-27
▼ 2 sells · $662K
Insider Title Type Shares Price $ Value 10b5-1 Filed
BOSTROM SUSAN L — ▼ Sell 10,000 $20 $204K Mar 30
BOSTROM SUSAN L — ▼ Sell 22,500 $20 $457K Mar 30
▶ 2025-12-19
▼ 1 sell · $12.7M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Jacobson Matthew — ▼ Sell 334,827 $38 $12.7M Dec 23
▶ 2025-12-16
▼ 1 sell · $27K 5 other
⚡ 5 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Mundy Simon Chief Accounting Officer ▼ Sell 723 $38 $27K Plan Dec 18
Mundy Simon Chief Accounting Officer F 2,844 $38 $109K Plan Dec 18
Farmer Sabrina Chief Technology Officer F 10,647 $38 $407K Dec 17
Schulman Robin Chief Legal Officer & Corp Sec F 8,972 $38 $343K Dec 17
Shen James Interim CFO F 3,171 $38 $121K Dec 17
Steward Ian Chief Revenue Officer F 8,076 $38 $309K Dec 17
▶ 2025-12-18
▼ 1 sell · $106K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Mundy Simon Chief Accounting Officer ▼ Sell 2,756 $38 $106K Plan Dec 18
▶ 2025-12-15
▼ 2 sells · $2.1M 3 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Staples William Chief Executive Officer F 10,514 $40 $416K Dec 17
Sijbrandij Sytse — C 54,300 $0 $0 Plan Dec 17
Sijbrandij Sytse — ▼ Sell 53,600 $39 $2.1M Plan Dec 17
Sijbrandij Sytse — ▼ Sell 700 $40 $28K Plan Dec 17
Sijbrandij Sytse — C 54,300 — — Plan Dec 17
▶ 2025-12-10
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Sijbrandij Sytse — G 311,721 — — Dec 12
▶ 2025-12-08
▼ 5 sells · $2.8M
Insider Title Type Shares Price $ Value 10b5-1 Filed
BOSTROM SUSAN L — ▼ Sell 10,000 $40 $395K Dec 10
BOSTROM SUSAN L — ▼ Sell 15,000 $40 $593K Dec 10
BOSTROM SUSAN L — ▼ Sell 15,000 $40 $596K Dec 10
BOSTROM SUSAN L — ▼ Sell 15,000 $39 $591K Dec 10
BOSTROM SUSAN L — ▼ Sell 15,000 $40 $592K Dec 10
▶ 2025-12-09
▼ 1 sell · $1.2M
Insider Title Type Shares Price $ Value 10b5-1 Filed
BOSTROM SUSAN L — ▼ Sell 30,000 $39 $1.2M Dec 10
▶ 2025-11-17
▼ 2 sells · $4.7M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Sijbrandij Sytse — C 108,600 $0 $0 Plan Nov 19
Sijbrandij Sytse — ▼ Sell 73,941 $43 $3.2M Plan Nov 19
Sijbrandij Sytse — ▼ Sell 34,659 $44 $1.5M Plan Nov 19
Sijbrandij Sytse — C 108,600 — — Plan Nov 19
▶ 2025-10-15
▼ 3 sells · $5.0M 2 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
BLASING KAREN — ▼ Sell 3,250 $45 $147K Plan Oct 16
Sijbrandij Sytse — C 108,600 $0 $0 Plan Oct 16
Sijbrandij Sytse — ▼ Sell 76,892 $44 $3.4M Plan Oct 16
Sijbrandij Sytse — ▼ Sell 31,708 $45 $1.4M Plan Oct 16
Sijbrandij Sytse — C 108,600 — — Plan Oct 16
▶ 2025-10-01
▼ 1 sell · $228K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Mundy Simon Chief Accounting Officer ▼ Sell 5,191 $44 $228K Plan Oct 2
▶ 2025-09-23
▼ 4 sells · $3.2M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Jacobson Matthew — ▼ Sell 13,387 $50 $672K Sep 25
Jacobson Matthew — ▼ Sell 14,304 $50 $718K Sep 25
Jacobson Matthew — ▼ Sell 13,510 $50 $678K Sep 25
Jacobson Matthew — ▼ Sell 22,386 $50 $1.1M Sep 25
▶ 2025-09-19
▼ 4 sells · $11.7M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Jacobson Matthew — ▼ Sell 49,134 $50 $2.5M Sep 23
Jacobson Matthew — ▼ Sell 52,501 $50 $2.6M Sep 23
Jacobson Matthew — ▼ Sell 49,587 $50 $2.5M Sep 23
Jacobson Matthew — ▼ Sell 82,160 $50 $4.1M Sep 23
▶ 2025-09-20
2 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Shen James Interim CFO A 11,330 $0 $0 Sep 23
Mundy Simon Chief Accounting Officer A 15,862 $0 $0 Sep 23
▶ 2025-09-17
▼ 8 sells · $20.0M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Jacobson Matthew — ▼ Sell 78,638 $50 $4.0M Sep 19
Jacobson Matthew — ▼ Sell 84,040 $50 $4.2M Sep 19
Jacobson Matthew — ▼ Sell 79,385 $50 $4.0M Sep 19
Jacobson Matthew — ▼ Sell 131,516 $50 $6.6M Sep 19
Jacobson Matthew — ▼ Sell 4,764 $51 $243K Sep 19
Jacobson Matthew — ▼ Sell 5,076 $51 $259K Sep 19
Jacobson Matthew — ▼ Sell 4,784 $51 $244K Sep 19
Jacobson Matthew — ▼ Sell 7,944 $51 $406K Sep 19
▶ 2025-09-18
▼ 4 sells · $2.4M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Jacobson Matthew — ▼ Sell 9,958 $50 $498K Sep 19
Jacobson Matthew — ▼ Sell 10,640 $50 $532K Sep 19
Jacobson Matthew — ▼ Sell 10,050 $50 $503K Sep 19
Jacobson Matthew — ▼ Sell 16,652 $50 $833K Sep 19
▶ 2025-09-15
▼ 4 sells · $5.6M 3 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
BLASING KAREN — ▼ Sell 2,849 $50 $143K Plan Sep 17
BLASING KAREN — ▼ Sell 401 $51 $20K Plan Sep 17
Staples William Chief Executive Officer F 10,515 $50 $529K Sep 17
Sijbrandij Sytse — C 108,600 $0 $0 Plan Sep 17
Sijbrandij Sytse — ▼ Sell 79,474 $50 $4.0M Plan Sep 17
Sijbrandij Sytse — ▼ Sell 29,126 $50 $1.5M Plan Sep 17
Sijbrandij Sytse — C 108,600 — — Plan Sep 17
▶ 2025-09-16
3 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Farmer Sabrina Chief Technology Officer F 10,647 $50 $530K Sep 17
Schulman Robin Chief Legal Officer & Corp Sec F 8,973 $50 $447K Sep 17
ROBINS BRIAN G Chief Financial Officer F 19,177 $50 $955K Sep 17
▶ 2025-09-08
▼ 2 sells · $6.7M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Jacobson Matthew — ▼ Sell 53,899 $47 $2.5M Sep 10
Jacobson Matthew — ▼ Sell 89,306 $47 $4.2M Sep 10
▶ 2025-08-18
▼ 4 sells · $5.1M 2 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
BLASING KAREN — ▼ Sell 3,250 $45 $146K Plan Aug 19
Sijbrandij Sytse — C 108,600 $0 $0 Plan Aug 19
Sijbrandij Sytse — ▼ Sell 32,258 $44 $1.4M Plan Aug 19
Sijbrandij Sytse — ▼ Sell 69,929 $45 $3.2M Plan Aug 19
Sijbrandij Sytse — ▼ Sell 6,413 $46 $295K Plan Aug 19
Sijbrandij Sytse — C 108,600 — — Plan Aug 19
▶ 2025-07-18
▼ 1 sell · $146K
Insider Title Type Shares Price $ Value 10b5-1 Filed
BLASING KAREN — ▼ Sell 3,250 $45 $146K Plan Jul 21
▶ 2025-07-15
▼ 3 sells · $4.7M 2 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Sijbrandij Sytse — C 108,600 $0 $0 Plan Jul 17
Sijbrandij Sytse — ▼ Sell 96,084 $43 $4.2M Plan Jul 17
Sijbrandij Sytse — ▼ Sell 12,516 $44 $551K Plan Jul 17
Sijbrandij Sytse — C 108,600 — — Plan Jul 17
Saintil Merline — ▼ Sell 607 $44 $26K Plan Jul 17
▶ 2025-07-02
▼ 1 sell · $28K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Saintil Merline — ▼ Sell 607 $46 $28K Plan Jul 3
▶ 2025-06-27
▼ 1 sell · $146K
Insider Title Type Shares Price $ Value 10b5-1 Filed
BLASING KAREN — ▼ Sell 3,250 $45 $146K Plan Jun 30
▶ 2025-06-25
▼ 2 sells · $5.5M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Jacobson Matthew — ▼ Sell 48,704 $42 $2.1M Jun 27
Jacobson Matthew — ▼ Sell 80,696 $42 $3.4M Jun 27
▶ 2025-06-20
6 other
⚡ 6 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
BLASING KAREN — A 4,906 $0 $0 Jun 23
BOSTROM SUSAN L — A 4,906 $0 $0 Jun 23
Bedi Sundeep — A 4,906 $0 $0 Jun 23
HENSHALL DAVID J — A 4,906 $0 $0 Jun 23
Saintil Merline — A 4,906 $0 $0 Jun 23
SULLIVAN GODFREY — A 4,906 $0 $0 Jun 23
▶ 2025-06-16
▼ 2 sells · $4.5M 6 other
⚡ 5 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Farmer Sabrina Chief Technology Officer F 8,225 $42 $342K Jun 18
Sijbrandij Sytse — C 108,600 $0 $0 Plan Jun 18
Sijbrandij Sytse — ▼ Sell 84,608 $41 $3.5M Plan Jun 18
Sijbrandij Sytse — ▼ Sell 23,992 $42 $1.0M Plan Jun 18
Sijbrandij Sytse — C 108,600 — — Plan Jun 18
Schulman Robin Chief Legal Officer & Corp Sec F 7,094 $42 $295K Jun 18
ROBINS BRIAN G Chief Financial Officer F 16,996 $42 $708K Jun 18
Staples William Chief Executive Officer F 18,924 $42 $788K Jun 18
▶ 2025-06-18
2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Steward Ian Chief Revenue Officer A 184,615 $0 $0 Jun 18
Steward Ian Chief Revenue Officer A 123,076 $0 $0 Jun 18
▶ 2025-05-15
▼ 2 sells · $168K
Insider Title Type Shares Price $ Value 10b5-1 Filed
BLASING KAREN — ▼ Sell 2,950 $51 $152K Plan May 15
BLASING KAREN — ▼ Sell 300 $52 $16K Plan May 15
▶ 2025-05-14
▼ 2 sells · $5.8M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Sijbrandij Sytse Executive Chair of the Board C 108,600 $0 $0 Plan May 15
Sijbrandij Sytse Executive Chair of the Board ▼ Sell 91,177 $53 $4.8M Plan May 15
Sijbrandij Sytse Executive Chair of the Board ▼ Sell 17,423 $54 $934K Plan May 15
Sijbrandij Sytse Executive Chair of the Board C 108,600 — — Plan May 15
▶ 2025-05-13
▼ 1 sell · $2.4M 4 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
ROBINS BRIAN G Chief Financial Officer C 45,000 $0 $0 Plan May 15
ROBINS BRIAN G Chief Financial Officer ▼ Sell 45,000 $53 $2.4M Plan May 15
ROBINS BRIAN G Chief Financial Officer M 45,000 $0 $0 Plan May 15
ROBINS BRIAN G Chief Financial Officer M 45,000 — — Plan May 15
ROBINS BRIAN G Chief Financial Officer C 45,000 — — Plan May 15