Major Shareholder Jack W. Schuler Boosts Stake to 24% with Over $2M in Recent Purchases
BDSX has more than doubled off its 52-week low of $3.436 on light trading volume (0.1× avg).
Summary
Jack W. Schuler, a significant 10% owner and former director, has further increased his beneficial ownership in Biodesix Inc. to 24.0% through over $2 million in recent open market purchases, signaling strong conviction.
Key Events · Ownership and Investor Activity · BDSX
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Increased Beneficial Ownership
Jack W. Schuler's beneficial ownership in Biodesix Inc. has increased to 2,333,945 shares, representing 24.0% of the company's outstanding common stock.
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Significant Open Market Purchases
Schuler, through his trusts, purchased a total of 182,465 shares in multiple open market transactions between January 22 and January 26, 2026, with an aggregate value exceeding $2 million.
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Continued Insider Conviction
These purchases follow a series of recent Form 4 filings by Mr. Schuler, underscoring a sustained pattern of increasing his stake in the company.
Analysis · BDSX · Industrial Applications And Services
This Schedule 13D/A filing confirms and consolidates recent open market purchases by Jack W. Schuler, a prominent 10% owner and former director. The reported transactions, totaling over $2 million, significantly increase his beneficial ownership to 24.0% of the company's outstanding shares. This continuous and substantial buying activity by a key insider, especially following recent positive preliminary financial results, indicates strong confidence in the company's future prospects and could be interpreted as a bullish signal for investors. Schuler's increasing stake suggests a potential for greater influence on corporate strategy.
How filings like this one have moved
In the 30 days to Sep 20, 2026, 38.8% of the 340 measured filings Wiseek scored 9 moved their stock by 5% or more by the next session's close. The median move was -0.40%. 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, BDSX was trading at $10.84 on NASDAQ in the Industrial Applications And Services sector, with a market capitalization of approximately $86.2M. The 52-week trading range was $3.44 to $21.80. This filing was assessed with positive market sentiment and an importance score of 9 out of 10.