Sijbrandij Sytse
SEC Form 4 insider trading activity
Sijbrandij Sytse has filed 11 SEC Form 4 filings (34 transaction rows) across 1 company, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Oct 21, 2026.
On the most recent filing, Sijbrandij Sytse is listed as Director at Gitlab Inc. Inside the rolling window, Sijbrandij Sytse reported no open-market purchases and 11 open-market sales totaling $126.2M in GTLB. The largest disclosed transaction in the window is a sale of 980,710 GTLB shares on Sep 24, 2026, worth $47.7M.
Companies traded
Other insiders at GTLB
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$126.2M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| GTLB | Director | Sale | 116,200 | $6.2M | Oct 21 | SEC ↗ | |
| GTLB | Director | Sale | 980,710 | $47.7M | Sep 28 | SEC ↗ | |
| GTLB | Director | Sale | 705,490 | $33.7M | Sep 28 | SEC ↗ | |
| GTLB | Director | Sale | 430,000 | $19.7M | Sep 28 | SEC ↗ | |
| GTLB | Director | Sale | 116,200 | $3.3M | Jun 17 | SEC ↗ | |
| GTLB | Director | Sale | 116,200 | $2.9M | May 18 | SEC ↗ | |
| GTLB | Director | Sale | 116,200 | $2.4M | Apr 16 | SEC ↗ | |
| GTLB | Director, 10% Owner | Sale | 54,300 | $1.5M | Feb 18 | SEC ↗ | |
| GTLB | Director, 10% Owner | Sale | 54,300 | $2.0M | Jan 15 | SEC ↗ | |
| GTLB | Director, 10% Owner | Sale | 54,300 | $2.1M | Dec 17 | SEC ↗ | |
| GTLB | Director, 10% Owner | Sale | 108,600 | $4.7M | Nov 19 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Oct 15, 2025 | GTLB | Sale | $1.4M |
| Oct 15, 2025 | GTLB | Sale | $3.4M |
| Sep 15, 2025 | GTLB | Sale | $1.5M |
| Sep 15, 2025 | GTLB | Sale | $4.0M |
Frequently asked questions
How many SEC Form 4 filings has Sijbrandij Sytse made?
Sijbrandij Sytse has filed 11 SEC Form 4 filings (34 transaction rows) across 1 company since 2025.
Which companies does Sijbrandij Sytse trade?
Sijbrandij Sytse has filed SEC Form 4 disclosures for 1 company, including GTLB.
When was Sijbrandij Sytse's most recent SEC Form 4 filing?
Sijbrandij Sytse's most recent SEC Form 4 filing on Tracefour is dated Oct 21, 2026.
What is Sijbrandij Sytse's total buy and sell value in the current window?
Inside the rolling retention window, Sijbrandij Sytse bought $0 and sold $126.2M based on SEC Form 4 filings.
What was Sijbrandij Sytse's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 980,710 GTLB shares on 2026-09-24, worth $47.7M, per SEC Form 4 filings.