Company: ADPT
Filing Date: 2025-04-29
Form Type: DEF 14A
Source: 0001193125-25-103752
Chunk: 41

Company: Adaptive Biotechnologies Corp
Filing Date: 2025-04-29
Form: DEF 14A
Chunk 41
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 corporate goals and 25% to individual performance. |

| (3) | Mr. Piskel’s annual salary was prorated and, in turn, so was his target incentive opportunity. |

Long-Term Equity Incentive Awards We grant equity incentive awards to our named executive officers in order to align their long-term economic interests with those of our shareholders, create an enduring ownership culture, and encourage contributions that drive our performance and increase our valuation. We typically make equity grants to each of our executive officers upon commencement of employment, annually in conjunction with our review of their individual performance and in connection with a promotion. Accordingly, we believe equity compensation is a crucial component of any competitive executive compensation package we offer. As described above, all of our named executive officers received grants of PSUs and RSUs during 2024, apart from Dr. Benzeno who received a grant of non-qualifiedstock options and RSUs. In terms of award mix, the compensation and human capital committee intended for 50% of the annual equity award to be represented by a stock option award or PSU award and the remaining 50% to be represented by an RSU award. These awards are all subject to time-based vesting conditions. The RSUs typically vest with respect to 25% on the first four anniversaries of the vesting commencement date. The stock options typically have a ten-yearterm and vest with respect to 25% on the first anniversary of the vesting commencement date and then in 36 equal monthly installments thereafter. We believe that stock options are performance-based given their linkage to the stock price on the date of grant through the exercise price (i.e., participants can only realize value to the extent that our share price increases above the exercise price). PSUs granted in 2024 have a 3-yearperformance period, as described above. For a description of the equity awards granted to our named executive officers during 2024, see the “ Summary Compensation Table” and the “ Grants of Plan-Based Awards” tables below. 31

Share Ownership Guidelines Under our Stock Ownership Guidelines, executives and directors must attain and hold the levels of ownership shown below within a 5-yearperiod following adoption or future hire. Shares counting towards these guidelines include any direct stock holdings by the individual, as well as any unvested RSUs (discounted assuming a 50% tax rate). Individuals who have not yet complied with the share ownership guidelines will be required to hold not less than 50% of all shares delivered upon vest