Adaptive Biotechnologies Corp 4

Insider Robert Hershberg exercised options for 15,000 ADPT shares and sold a total of 30,664 common shares on August 18, 2026.

On August 18, 2026, Robert Hershberg exercised a stock option for 15,000 shares of Adaptive Biotechnologies Corp common stock at an exercise price of $6.32 per share and, on the same day, sold 15,000 shares at a weighted average price of $24.39 and an additional 15,664 shares at a weighted average price of $24.41, all in open-market transactions. The option exercise added 15,000 shares to his direct holdings, which were then partially reduced through the subsequent sales, leaving him with 46,683 shares of common stock directly owned after the transactions. The reported sale prices reflect weighted averages across multiple trades within narrow intraday ranges, and the option exercised was fully vested and would have expired on October 18, 2026.

Filing Facts

CIK

1478320

Ticker

ADPT

Form

4

Source Type

fda

Accession

0001274139-26-000004

Alert Tier

6