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Adaptive Biotechnologies Corp

For the period ended Mar 31, 2026. Filed May 5, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 5, 2026

ADPT$27.98+4.3%Stored close · as of Nov 6, 2026

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10. Shareholders’ Equity

Common Stock

Our common stock has no preferences or privileges and is not redeemable. Holders of our common stock are entitled toone vote for each share of common stock held. The holders of record of outstanding shares of common stock shall be entitled to receive, when, as and if declared, out of funds legally available, such cash and other dividends as may be declared from time to time.

Our 2019 Equity Incentive Plan (the “2019 Plan”) provides for annual increases in the number of shares that may be issued under the 2019 Plan on January 1, 2020 and on each subsequent January 1, thereafter, by a number of shares equal to the lesser of (a)5% of the number of shares of common stock issued and outstanding on the immediately preceding December 31, or (b) an amount determined by our board of directors.

Furthermore, our Employee Stock Purchase Plan (the “ESPP”) provides for annual increases in the number of shares available for issuance under our ESPP on January 1, 2020 and on each January 1, thereafter, by a number of shares equal to the smallest of (a)1% of the number of shares of common stock issued and outstanding on the immediately preceding December 31, or (b) an amount determined by our board of directors.

Effective January 1, 2026, our 2019 Plan reserve increased by 7,688,970 shares. Our board of directors determined not to increase the ESPP reserve in 2026.

As of March 31, 2026, we had reserved shares of common stock for the following:

Shares issuable upon the exercise of outstanding stock options granted9,372,173
Shares issuable upon the vesting of outstanding restricted stock units granted and the maximum outstanding performance-based and market-based restricted stock units granted eligible to be earned14,189,576
Shares available for future grant under the 2019 Equity Incentive Plan16,523,319
Shares available for future grant under the Employee Stock Purchase Plan5,686,170
Total shares of common stock reserved for future issuance45,771,238
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