GTLB GitLab Inc.

NASDAQ
$46.99

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.

Insider signal In line Selling ran in line with GTLB's own trailing one-year pace, with 27% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 1 buyer in the last 90 days 1 seller in the last 90 days
Insiders buying
1
4 transactions
Insiders selling
6
70 transactions
Purchases
$376.1K
13,474 shares
Sales
$111.3M
3,231,384 shares
Net activity
-$110.9M
purchases less sales

How much of that selling was preplanned? 27% planned / 73% discretionary

10b5-1 plan sales $30.3M 25 transactions · 863,733 shares
Discretionary sales $81.0M 45 transactions · 2,367,651 shares

Largest single sale: $12.7M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

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.