Company: ADPT
Filing Date: 2025-04-29
Form Type: DEF 14A
Source: 0001193125-25-103752
Chunk: 51

Company: Adaptive Biotechnologies Corp
Filing Date: 2025-04-29
Form: DEF 14A
Chunk 51
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. Rubinstein, Chad Cohen (until his resignation in February 2022) and Mr. Piskel (Mr. Piskel served as interim Chief Financial Officer until June 2022); |

| • |     | 2021 – Mr. Cohen, Dr. Robins, Ms. Rubinstein and Nitin Sood (Mr. Sood joined the Company in 2021); and |

| • |     | 2020 – Mr. Cohen, Dr. Robins, Ms. Rubinstein and Mark Adams, PhD (Mr. Adams joined the Company in 2020). |

Biographical information for each of these individuals and their positions can be found above, or in the proxy for the year upon which compensation was reported, under the heading “ Executive Officers .”

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| (2) | The “Summary Compensation Table” table totals reported for the PEO and the average of thenon-PEONEOs for each year were subject to the following adjustments per Item 402(v)(2)(iii) of RegulationS-Kto calculate “Compensation Actually Paid”: |

|                                                                                                                          |     |       2024 |     |             |            |   |     | 2023 |            |   |     |             |            |   |     | 2022 |            |   |     |             |            |   |     | 2021 |            |   |     |             |            |   |     | 2020 |            |   |     |             |            |   |
|                                                                                                                          |     |        PEO 
        ($) |     | Average for 
 non-PEONEOs 
 ($)         |            |   |     |  PEO 
  ($) |            |   |     | Average for 
 non-PEONEOs 
 ($)         |            |   |     |  PEO 
  ($) |            |   |     | Average for 
 non-PEONEOs 
 ($)         |            |   |     |  PEO 
  ($) |            |   |     | Average for 
 non-PEONEOs 
 ($)         |            |   |     |  PEO 
  ($) |            |   |     | Average for 
 non-PEONEOs 
 ($)         |            |   |
| Summary Compensation Table                                                                                               |     |  4,973,301 |     |             |  2,387,776 |   |     |      |