Sijbrandij Sytse
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Sijbrandij Sytse. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| GTLB | Sale | 53,600 | $38.94 | $2,087,184 | Dec 15, 2025 | |
| GTLB | Sale | 34,659 | $43.59 | $1,510,786 | Nov 17, 2025 | |
| GTLB | Sale | 31,708 | $44.75 | $1,418,933 | Oct 15, 2025 | |
| GTLB | Sale | 79,474 | $50.02 | $3,975,289 | Sep 15, 2025 | |
| GTLB | C | 108,600 | — | — | Aug 18, 2025 | |
| GTLB | Sale | 96,084 | $43.24 | $4,154,672 | Jul 15, 2025 | |
| GTLB | Sale | 23,992 | $42.11 | $1,010,303 | Jun 16, 2025 | |
| GTLB | Executive Chair of the Board | Sale | 17,423 | $53.58 | $933,524 | May 14, 2025 |
| GTLB | Executive Chair of the Board | C | 108,600 | — | — | Apr 15, 2025 |
| GTLB | Executive Chair of the Board | Sale | 16,911 | $52.32 | $884,784 | Mar 17, 2025 |
| GTLB | Executive Chair of the Board | Sale | 28,959 | $71.37 | $2,066,804 | Feb 18, 2025 |
| GTLB | Executive Chair of the Board | C | 84,000 | — | — | Jan 15, 2025 |
| GTLB | Executive Chair of the Board | Gift | 294,842 | — | — | Dec 31, 2024 |
| GTLB | Executive Chair of the Board | C | 363,487 | — | — | Dec 23, 2024 |
| GTLB | C | 56,000 | — | — | Dec 16, 2024 | |
| GTLB | Chief Executive Officer | Sale | 29,404 | $59.11 | $1,738,070 | Nov 19, 2024 |
| GTLB | Chief Executive Officer | C | 56,000 | — | — | Oct 15, 2024 |
| GTLB | Chief Executive Officer | Sale | 44,365 | $53.22 | $2,361,105 | Sep 16, 2024 |
| GTLB | Chief Executive Officer | Sale | 2,736 | $43.67 | $119,481 | Aug 14, 2024 |
| GTLB | Chief Executive Officer | Sale | 34,902 | $49.24 | $1,718,574 | Jul 15, 2024 |
| GTLB | Chief Executive Officer | C | 56,000 | — | — | Jun 17, 2024 |
| GTLB | Chief Executive Officer | Sale | 28,091 | $56.89 | $1,598,097 | May 15, 2024 |
| GTLB | Chief Executive Officer | C | 56,000 | — | — | Apr 15, 2024 |
| GTLB | Chief Executive Officer | Sale | 75,000 | $55.19 | $4,139,250 | Mar 15, 2024 |
| GTLB | Chief Executive Officer | Sale | 42,393 | $73.34 | $3,109,103 | Feb 14, 2024 |
| GTLB | Chief Executive Officer | Sale | 69,568 | $61.30 | $4,264,518 | Jan 16, 2024 |
| GTLB | Chief Executive Officer | Sale | 313,090 | $62.87 | $19,683,968 | Dec 15, 2023 |
| GTLB | Chief Executive Officer | Sale | 26,144 | $49.77 | $1,301,187 | Nov 15, 2023 |
| GTLB | Chief Executive Officer | Sale | 18,364 | $45.82 | $841,438 | Oct 16, 2023 |
| GTLB | Chief Executive Officer | Sale | 139,652 | $48.39 | $6,757,760 | Sep 15, 2023 |
| GTLB | Chief Executive Officer | C | 10,707 | — | — | Aug 15, 2023 |
| GTLB | Chief Executive Officer | Sale | 10,500 | $51.64 | $542,220 | Jul 17, 2023 |