Welcome to our dedicated page for Adaptive Biotechnologies SEC filings (Ticker: ADPT), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Adaptive Biotechnologies Corporation filings document financial results, governance matters, registered common stock, and material events for a commercial-stage biotechnology issuer. Recent 8-K reports furnish quarterly and annual operating results, press releases, investor presentation materials, and disclosures tied to the company’s MRD business and immune medicine platform.
The company’s proxy materials cover board and shareholder voting matters, executive compensation, equity awards, and related governance disclosures. Other filings identify ADPT common stock listed on Nasdaq and disclose material agreement activity connected to research and development collaborations, including immune medicine and TCR-antigen programs.
Adaptive Biotechnologies Corp reported that Chief Commercial Officer, Immune Medicine, Sharon Benzeno acquired 39,063 shares of common stock on March 4, 2026 through a grant or award at a stated price of $0.00 per share. Following this award, Benzeno directly holds 335,854 common shares.
RUBINSTEIN JULIE reported acquisition or exercise transactions in this Form 4 filing.
Adaptive Biotechnologies Corp reported that President and COO Julie Rubinstein received a grant of 81,250 shares of Common Stock on March 4, 2026. The award was recorded at a price of $0.0000 per share, indicating it was granted for no cash consideration. Following this equity grant, Rubinstein’s directly owned holdings increased to 656,485 shares of Common Stock, reflecting a larger personal stake in the company.
Adaptive Biotechnologies Corp reported that Chief Scientific Officer Harlan S. Robins acquired shares of common stock through stock awards. On March 6, 2026, he received 709,220 shares at a price of $0.00 per share, and on March 4, 2026, he received 127,813 shares at $0.00 per share.
These awards relate to performance share units granted on March 6, 2023 for a three-year period ending March 6, 2026. The company certified achievement of the performance goals on March 6, 2026, and the performance share units vested on that date, resulting in common stock delivery.
Adaptive Biotechnologies Corp reported that its Chief Financial Officer, Kyle Piskel, acquired 61,875 shares of common stock as a grant or award on March 4, 2026. The shares were recorded at a price of $0.00 per share, indicating they were not purchased on the open market but received as compensation. Following this transaction, Piskel directly owned 278,512 shares of Adaptive Biotechnologies common stock.
OWEN KATEY EINTERZ reported acquisition or exercise transactions in this Form 4 filing.
Adaptive Biotechnologies Corp director Katey Einterz Owen received an equity award of 15,625 shares of Common Stock on March 4, 2026. The shares were granted at a price of $0.00 per share, indicating a stock award rather than an open‑market purchase. Following this grant, her directly held Common Stock increased to 88,254 shares, reflecting her updated ownership position as a company director.
Adaptive Biotechnologies Corp director receives stock award
Adaptive Biotechnologies Corp director Michelle Renee Griffin acquired 15,625 shares of common stock on March 4, 2026 through a grant or award at a stated price of $0.00 per share. After this transaction, she directly owns a total of 31,019 shares of the company’s common stock.
Adaptive Biotechnologies Corp reported that CEO and Chairman Chad M. Robins acquired common stock through equity awards. On March 6, 2026, he received 709,220 shares of common stock at a price of $0.00 per share, bringing his direct holdings to 2,771,280 shares after this transaction.
On March 4, 2026, he was also awarded 127,813 shares of common stock at $0.00 per share, resulting in 2,062,060 directly held shares after that earlier transaction. A related footnote explains that these awards stem from performance share units granted on March 6, 2023 for a three-year period ending March 6, 2026, with the issuer certifying that performance goals were achieved and the units vesting on March 6, 2026.
Adaptive Biotechnologies Corp director Michelle Renee Griffin reported exercising stock options and selling shares. On the same day, she exercised options for 48,044 shares of common stock at $3.99 per share, then sold 48,044 common shares at a weighted average price of $15.30, with individual trades ranging from $15.11 to $15.54. After these transactions, she directly owned 15,394 common shares. The option was fully vested and exercisable, and the trades were executed under a Rule 10b5-1 trading plan adopted on November 7, 2025.
Adaptive Biotechnologies Corp President and COO Julie Rubinstein reported a series of option exercises and related share sales. Over March 3–5, 2026, she exercised fully or partially vested stock options into common stock and sold 92,823 shares in open-market transactions at prices reported around the mid-teens per share.
The sales were effected under a Rule 10b5-1 trading plan adopted on November 18, 2025, meaning they followed a prearranged schedule. After these transactions, Rubinstein held 575,235 shares of common stock directly. Reported sale prices are weighted averages of multiple trades, with ranges disclosed between $15.11 and $16.94 per share.
Adaptive Biotechnologies Corp’s Chief Scientific Officer, Harlan S. Robins, reported open-market sales of company common stock under a pre-established Rule 10b5-1 trading plan adopted on August 11, 2025.
He sold 10,000 shares on March 2, 2026 at a weighted average price of $15.72 per share and 14,233 shares on March 3, 2026 at a weighted average price of $16.52 per share. After these sales, he directly owned 1,155,291 shares of Adaptive Biotechnologies common stock.