GTLB GitLab Inc.
GitLab Inc. (GTLB) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 27% planned / 73% discretionary
Largest single sale: $12.7M.
Where they traded
Last open-market purchase: June 30, 2026 , by Staples William .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Mundy Simon | Chief Accounting Officer | Sell 10b5-1 | 8,725 | $38.00 | $331.6K | 105,332 −7.6% of holding | |
| Staples William | Chief Executive Officer | Buy 10b5-1 | 4,188 | $29.36 | $123.0K | 758,828 | |
| Sijbrandij Sytse 2 fills | Director | Sell 10b5-1 | 116,200 | $28.44 | $3.3M | 14,915,616 −0.8% of holding | |
| Sijbrandij Sytse 2 fills | Director | Sell 10b5-1 | 116,200 | $24.85 | $2.9M | 15,123,659 −0.8% of holding | |
| Sijbrandij Sytse | Director | Sell 10b5-1 | 116,200 | $20.77 | $2.4M | None left | |
| Staples William 2 fills | Chief Executive Officer | Buy 10b5-1 | 6,010 | $21.35 | $128.3K | 344,651 | |
| BOSTROM SUSAN L 2 fills | Director | Sell | 32,500 | $20.36 | $661.7K | 39,819 −44.9% of holding | |
| Jacobson Matthew 8 fills | Director | Sell | 459,799 | $22.37 | $10.3M | None left | |
| Jacobson Matthew 8 fills | Director | Sell | 700,109 | $22.95 | $16.1M | 193,722 −78.3% of holding | |
| Sijbrandij Sytse 2 fills | Director | Sell 10b5-1 | 54,300 | $28.41 | $1.5M | 3,000 −94.8% of holding | |
| Sijbrandij Sytse 2 fills | Director | Sell 10b5-1 | 54,300 | $35.96 | $2.0M | 10,051 −84.4% of holding | |
| Staples William | Chief Executive Officer | Buy 10b5-1 | 3,276 | $38.08 | $124.8K | 345,671 | |
| Shen James | Interim CFO | Sell 10b5-1 | 2,538 | $38.08 | $96.6K | 52,284 −4.6% of holding | |
| Jacobson Matthew | Director | Sell | 334,827 | $38.08 | $12.7M | None left | |
| Mundy Simon | Chief Accounting Officer | Sell 10b5-1 | 2,756 | $38.42 | $105.9K | 47,184 −5.5% of holding | |
| Mundy Simon | Chief Accounting Officer | Sell 10b5-1 | 723 | $38.00 | $27.5K | 52,784 −1.4% of holding | |
| Sijbrandij Sytse 2 fills | Director | Sell 10b5-1 | 54,300 | $38.95 | $2.1M | 700 −98.7% of holding | |
| BOSTROM SUSAN L | Director | Sell | 30,000 | $39.25 | $1.2M | 49,819 −37.6% of holding | |
| BOSTROM SUSAN L 5 fills | Director | Sell | 70,000 | $39.55 | $2.8M | 139,819 −33.4% of holding | |
| Sijbrandij Sytse 2 fills | Director | Sell 10b5-1 | 108,600 | $43.17 | $4.7M | 34,659 −75.8% of holding | |
| Sijbrandij Sytse 2 fills | Director | Sell 10b5-1 | 108,600 | $44.29 | $4.8M | 31,708 −77.4% of holding | |
| BLASING KAREN | Director | Sell 10b5-1 | 3,250 | $45.26 | $147.1K | 97,389 −3.2% of holding | |
| Mundy Simon | Chief Accounting Officer | Sell 10b5-1 | 5,191 | $43.99 | $228.4K | 53,507 −8.8% of holding | |
| Jacobson Matthew 4 fills | Director | Sell | 63,587 | $50.16 | $3.2M | 1,370 −97.9% of holding | |
| Jacobson Matthew 4 fills | Director | Sell | 233,382 | $50.17 | $11.7M | 23,756 −90.8% of holding | |
| Jacobson Matthew 4 fills | Director | Sell | 47,300 | $50.05 | $2.4M | 105,916 −30.9% of holding | |
| Jacobson Matthew 8 fills | Director | Sell | 396,147 | $50.53 | $20.0M | 130,512 −75.2% of holding | |
| Sijbrandij Sytse 2 fills | Director | Sell 10b5-1 | 108,600 | $50.14 | $5.4M | 29,126 −78.9% of holding | |
| BLASING KAREN 2 fills | Director | Sell 10b5-1 | 3,250 | $50.08 | $162.8K | 101,040 −3.1% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.