GitLab (GTLB) Drops 10.2% After Hours, Wiping ~$900M in Market Value

As seen on the 24/7 Wall St. homepage on September 2, 2026.

GTLB GitLab
After-hours
$49.59
-10.21% open $55.23
$51$50$50

A 10.2% slide to $49.59 in after-hours trading takes roughly $900 million off an $8.3 billion company in one session. Moves this size rarely settle by the next open, so keep an eye on where it lands.

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GitLab is trading at $49.59 after hours, a roughly 10.2% single-session move that erases about $900 million in market value.

The slide came as steady pressure rather than one sharp spike, with the stock grinding lower and settling into a tight band just below $50 late in the after-hours window.

Disclosure

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Thin after-hours liquidity amplifies swings in both directions, so the $49.59 level is not necessarily where the stock opens the following morning. The gap from the regular-session close is wide enough to matter.

A 10%-plus after-hours move on a stock of this profile draws both bargain hunters and momentum sellers, which makes the next regular session's first hour the most informative read on which camp has the upper hand.

Mentioned: GTLB