Atlas Venture Fund X Files Intent to Sell $48 Million in Kymera Therapeutics Stock
KYMR has more than doubled off its 52-week low of $36.65 on elevated volume (5.7× avg).
Summary
A major institutional shareholder, Atlas Venture Fund X, has filed to sell $48 million in Kymera Therapeutics stock, continuing a trend of significant insider distribution.
Key Events · Ownership and Investor Activity · KYMR
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Significant Proposed Sale
Atlas Venture Fund X, LP, a major institutional shareholder, has filed a Form 144 indicating its intent to sell 480,992 shares of common stock, valued at approximately $48.04 million.
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Ongoing Shareholder Distribution
This proposed sale adds to approximately $63.67 million in shares already sold by Atlas Venture entities and other filers over the past three months, signaling continued liquidation by large shareholders.
Analysis · KYMR · Life Sciences
Atlas Venture Fund X, a significant institutional shareholder, has filed a Form 144 indicating its intent to sell approximately $48 million worth of Kymera Therapeutics common stock. This proposed sale represents a notable liquidation by a major investor and follows a pattern of distribution by Atlas Venture entities and other insiders, totaling over $63 million in sales over the past three months. This continued selling pressure from a large shareholder could create an overhang on the stock.
How filings like this one have moved
In the 30 days to Oct 5, 2026, 29.2% of the 1496 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.63%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, KYMR was trading at $115.91 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $9.6B. The 52-week trading range was $36.65 to $130.05. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.