NEUPERT PETER M sold $3.1M of ADPT
NEUPERT PETER M sold 124,690 shares of Adaptive Biotechnologies Corp (ADPT) at an average of $25.15 ($25.10–$25.23, $3.14M total) across 3 trades on 2026-08-17.
How this was made
The 30-second read
Why it matters
The director's sale represents a $3.1M reduction in holdings, which may be interpreted by the market as a bearish indicator.
Market read
Insider sales are closely watched; this filing could influence short-term trading decisions on ADPT.
What to watch
Potential upcoming clinical data releases could offset the sale impact.
Background
Form 4 filings provide the first public disclosure of insider transactions.
Ticker impact
Director Peter Neupert sold 124,690 shares for $3.14M on 2026-08-17, disclosed via Form 4.
Modest downside pressure over the next few days.
The sale size is material for a mid-cap biotech and was executed at $25.15 per share, close to recent market price.
Market effects
May raise concerns among biotech investors about insider sentiment.
Limited to US biotech sector.
Minimal global impact.
Counterpoint
The sale could be a routine portfolio rebalancing, not a negative signal.
Key entities
- CompanyAdaptive Biotechnologies Corp
US-listed biotech company (ticker ADPT).
- IndividualPeter Neupert
Director of Adaptive Biotechnologies.