Insiders bought 501K and sold $173M on the open market.
75% of the selling was scheduled in advance under 10b5-1 plans. Director Matthew Jacobson sold $26.4M on Mar 20, 66% of their stake, outside a plan.
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Trades · last 2 years
| Date | Insider | Trade | Shares | Price | Value | Of their stake | Filing |
|---|---|---|---|---|---|---|---|
| Oct 19 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 116,200 | $53.27 average | $6.19M | 0.9% | Form 4 |
| Sep 30 | William Staples Chief Executive Officer | Bought | 2,677 | $46.62 | 125K | 0.4% | Form 4 |
| Sep 28 | Sivaprasad Padisetty Chief Technology Officer | Sold10b5-1 plan 3 parts | 51,915 | $45.78 average | $2.38M | 12% | Form 4 |
| Sep 24 – 28 | Sytse Sijbrandij Director | Sold10b5-1 plan 7 parts | 2,116,200 | $47.77 average | $101M | 14% | Form 4 |
| Aug 7 | Simon Mundy Chief Accounting Officer | Sold10b5-1 plan | 8,725 | $38.00 | 332K | 7.6% | Form 4 |
| Jun 30 | William Staples Chief Executive Officer | Bought | 4,188 | $29.36 | 123K | 0.6% | Form 4 |
| Jun 15 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 116,200 | $28.44 average | $3.3M | 0.8% | Form 4 |
| May 18 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 116,200 | $24.85 average | $2.89M | 0.8% | Form 4 |
| Apr 15 | Sytse Sijbrandij Director | Sold10b5-1 plan | 116,200 | $20.77 | $2.41M | 100% | Form 4 |
| Mar 31 | William Staples Chief Executive Officer | Bought 2 parts | 6,010 | $21.35 average | 128K | 1.8% | Form 4 |
| Mar 27 | Susan L Bostrom Director | SoldNo plan 2 parts | 32,500 | $20.36 average | 662K | 65% | Form 4 |
| Mar 19 – 20 | Matthew Jacobson Director | SoldNo plan 16 parts | 1,159,908 | $22.72 average | $26.4M | 66% | Form 4 |
| Feb 17 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 54,300 | $28.41 average | $1.54M | 100% | Form 4 |
| Jan 14 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 54,300 | $35.96 average | $1.95M | 100% | Form 4 |
| Dec 31, 2025 | William Staples Chief Executive Officer | Bought | 3,276 | $38.08 | 125K | 1.0% | Form 4 |
| Dec 31, 2025 | James Shen Interim CFO | Sold10b5-1 plan | 2,538 | $38.08 | 97K | 4.6% | Form 4 |
| Dec 19, 2025 | Matthew Jacobson Director | SoldNo plan | 334,827 | $38.08 | $12.8M | 16% | Form 4 |
| Dec 16, 2025 – Dec 18, 2025 | Simon Mundy Chief Accounting Officer | Sold10b5-1 plan 2 parts | 3,479 | $38.33 average | 133K | 6.9% | Form 4 |
| Dec 15, 2025 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 54,300 | $38.95 average | $2.11M | 100% | Form 4 |
| Dec 8, 2025 – Dec 9, 2025 | Susan L Bostrom Director | SoldNo plan 6 parts | 100,000 | $39.46 average | $3.95M | 67% | Form 4 |
| Nov 17, 2025 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 108,600 | $43.17 average | $4.69M | 100% | Form 4 |
| Oct 15, 2025 | Karen Blasing Director | Sold10b5-1 plan | 3,250 | $45.26 | 147K | 3.2% | Form 4 |
| Oct 15, 2025 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 108,600 | $44.29 average | $4.81M | 100% | Form 4 |
| Oct 1, 2025 | Simon Mundy Chief Accounting Officer | Sold10b5-1 plan | 5,191 | $43.99 | 228K | 8.8% | Form 4 |
| Sep 23, 2025 | Matthew Jacobson Director | SoldNo plan 4 parts | 63,587 | $50.16 average | $3.19M | 3.0% | Form 4 |
| Sep 19, 2025 | Matthew Jacobson Director | SoldNo plan 4 parts | 233,382 | $50.17 average | $11.7M | 9.8% | Form 4 |
| Sep 17, 2025 – Sep 18, 2025 | Matthew Jacobson Director | SoldNo plan 12 parts | 443,447 | $50.48 average | $22.4M | 16% | Form 4 |
| Sep 15, 2025 | Karen Blasing Director | Sold10b5-1 plan 2 parts | 3,250 | $50.08 average | 163K | 3.1% | Form 4 |
| Sep 15, 2025 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 108,600 | $50.14 average | $5.44M | 100% | Form 4 |
| Sep 8, 2025 | Matthew Jacobson Director | SoldNo plan 2 parts | 143,205 | $46.80 average | $6.7M | 3.2% | Form 4 |
| Aug 18, 2025 | Sytse Sijbrandij Director | Sold10b5-1 plan 3 parts | 108,600 | $45.16 average | $4.9M | 100% | Form 4 |
| Aug 18, 2025 | Karen Blasing Director | Sold10b5-1 plan | 3,250 | $45.00 | 146K | 3.0% | Form 4 |
| Jul 18, 2025 | Karen Blasing Director | Sold10b5-1 plan | 3,250 | $45.00 | 146K | 2.9% | Form 4 |
| Jul 15, 2025 | Merline Saintil Director | Sold10b5-1 plan | 607 | $43.65 | 26K | 4.3% | Form 4 |
| Jul 15, 2025 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 108,600 | $43.33 average | $4.71M | 100% | Form 4 |
| Jul 2, 2025 | Merline Saintil Director | Sold10b5-1 plan | 607 | $45.50 | 28K | 4.1% | Form 4 |
| Jun 27, 2025 | Karen Blasing Director | Sold10b5-1 plan | 3,250 | $45.00 | 146K | 2.9% | Form 4 |
| Jun 25, 2025 | Matthew Jacobson Director | SoldNo plan 2 parts | 129,400 | $42.32 average | $5.48M | 2.8% | Form 4 |
| Jun 16, 2025 | Sytse Sijbrandij Director | Sold10b5-1 plan 2 parts | 108,600 | $41.44 average | $4.5M | 100% | Form 4 |
| May 15, 2025 | Karen Blasing Director | Sold10b5-1 plan 2 parts | 3,250 | $51.58 average | 168K | 2.9% | Form 4 |
- Oct 1910b5-1 planSytse SijbrandijDirector · sold 116,200 at avg $53.27$6.19M0.9% of stake
- Sep 30William StaplesChief Executive Officer · bought 2,677 at $46.62125K0.4% of stake
- Sep 2810b5-1 planSivaprasad PadisettyChief Technology Officer · sold 51,915 at avg $45.78$2.38M12% of stake
- Sep 24 – 2810b5-1 planSytse SijbrandijDirector · sold 2,116,200 at avg $47.77$101M14% of stake
- Aug 710b5-1 planSimon MundyChief Accounting Officer · sold 8,725 at $38.00332K7.6% of stake
- Jun 30William StaplesChief Executive Officer · bought 4,188 at $29.36123K0.6% of stake
- Jun 1510b5-1 planSytse SijbrandijDirector · sold 116,200 at avg $28.44$3.3M0.8% of stake
- May 1810b5-1 planSytse SijbrandijDirector · sold 116,200 at avg $24.85$2.89M0.8% of stake
- Apr 1510b5-1 planSytse SijbrandijDirector · sold 116,200 at $20.77$2.41M100% of stake
- Mar 31William StaplesChief Executive Officer · bought 6,010 at avg $21.35128K1.8% of stake
- Mar 27No planSusan L BostromDirector · sold 32,500 at avg $20.36662K65% of stake
- Mar 19 – 20No planMatthew JacobsonDirector · sold 1,159,908 at avg $22.72$26.4M66% of stake
- Feb 1710b5-1 planSytse SijbrandijDirector · sold 54,300 at avg $28.41$1.54M100% of stake
- Jan 1410b5-1 planSytse SijbrandijDirector · sold 54,300 at avg $35.96$1.95M100% of stake
- Dec 31, 2025William StaplesChief Executive Officer · bought 3,276 at $38.08125K1.0% of stake
- Dec 31, 202510b5-1 planJames ShenInterim CFO · sold 2,538 at $38.0897K4.6% of stake
- Dec 19, 2025No planMatthew JacobsonDirector · sold 334,827 at $38.08$12.8M16% of stake
- Dec 16, 2025 – Dec 18, 202510b5-1 planSimon MundyChief Accounting Officer · sold 3,479 at avg $38.33133K6.9% of stake
- Dec 15, 202510b5-1 planSytse SijbrandijDirector · sold 54,300 at avg $38.95$2.11M100% of stake
- Dec 8, 2025 – Dec 9, 2025No planSusan L BostromDirector · sold 100,000 at avg $39.46$3.95M67% of stake
- Nov 17, 202510b5-1 planSytse SijbrandijDirector · sold 108,600 at avg $43.17$4.69M100% of stake
- Oct 15, 202510b5-1 planKaren BlasingDirector · sold 3,250 at $45.26147K3.2% of stake
- Oct 15, 202510b5-1 planSytse SijbrandijDirector · sold 108,600 at avg $44.29$4.81M100% of stake
- Oct 1, 202510b5-1 planSimon MundyChief Accounting Officer · sold 5,191 at $43.99228K8.8% of stake
- Sep 23, 2025No planMatthew JacobsonDirector · sold 63,587 at avg $50.16$3.19M3.0% of stake
- Sep 19, 2025No planMatthew JacobsonDirector · sold 233,382 at avg $50.17$11.7M9.8% of stake
- Sep 17, 2025 – Sep 18, 2025No planMatthew JacobsonDirector · sold 443,447 at avg $50.48$22.4M16% of stake
- Sep 15, 202510b5-1 planKaren BlasingDirector · sold 3,250 at avg $50.08163K3.1% of stake
- Sep 15, 202510b5-1 planSytse SijbrandijDirector · sold 108,600 at avg $50.14$5.44M100% of stake
- Sep 8, 2025No planMatthew JacobsonDirector · sold 143,205 at avg $46.80$6.7M3.2% of stake
- Aug 18, 202510b5-1 planSytse SijbrandijDirector · sold 108,600 at avg $45.16$4.9M100% of stake
- Aug 18, 202510b5-1 planKaren BlasingDirector · sold 3,250 at $45.00146K3.0% of stake
- Jul 18, 202510b5-1 planKaren BlasingDirector · sold 3,250 at $45.00146K2.9% of stake
- Jul 15, 202510b5-1 planMerline SaintilDirector · sold 607 at $43.6526K4.3% of stake
- Jul 15, 202510b5-1 planSytse SijbrandijDirector · sold 108,600 at avg $43.33$4.71M100% of stake
- Jul 2, 202510b5-1 planMerline SaintilDirector · sold 607 at $45.5028K4.1% of stake
- Jun 27, 202510b5-1 planKaren BlasingDirector · sold 3,250 at $45.00146K2.9% of stake
- Jun 25, 2025No planMatthew JacobsonDirector · sold 129,400 at avg $42.32$5.48M2.8% of stake
- Jun 16, 202510b5-1 planSytse SijbrandijDirector · sold 108,600 at avg $41.44$4.5M100% of stake
- May 15, 202510b5-1 planKaren BlasingDirector · sold 3,250 at avg $51.58168K2.9% of stake
Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.
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Held by ETFs
GTLB is in 82 US ETFs. The largest of them, with GTLB's weight in each:
Vanguard Total Stock Market ETFVTI0.01%of the fund
Vanguard Small-Cap ETFVB0.09%of the fund
Vanguard Information Technology ETFVGT0.07%of the fund
Vanguard Extended Market ETFVXF0.09%of the fund
iShares Core S&P Total U.S. Stock Market ETFITOT0.01%of the fund
iShares Russell 1000 Value ETFIWD0.02%of the fund
Spot a number that looks wrong? Check it in GTLB's SEC filings or
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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.
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