Company: ADPT
Filing Date: 2025-04-29
Form Type: DEF 14A
Source: 0001193125-25-103752
Chunk: 4

Company: Adaptive Biotechnologies Corp
Filing Date: 2025-04-29
Form: DEF 14A
Chunk 4
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 of the proxy materials. You can find instructions on how to request a printed copy by mail or electronically on the notice and on the website referred to in the notice, including an option to request paper copies on an ongoing basis. We intend to mail this proxy statement, together with a proxy card, to those shareholders entitled to vote at the Annual Meeting who have properly requested paper copies of such materials, within three business days of such request.

Availability of Proxy Materials for the 2025 Annual Meeting

This proxy statement and our 2024 Annual Report are available at www.proxydocs.com/ADPT. This website address contains: the Notice of Annual Meeting of Shareholders, the proxy statement and the 2024 Annual Report. You are encouraged to access and review all of the important information contained in the proxy materials before voting.

Who Can Vote, Outstanding Shares

Record holders of our common stock as of the close of business on April 15, 2025, the record date for the Annual Meeting (the “Record Date”), are entitled to vote at the Annual Meeting on all matters to be voted upon. As of the Record Date, there were 151,916,722 shares of our common stock outstanding. On each matter presented to our shareholders for vote, the holders of common stock are entitled to one vote per share held as of the Record Date.

Voting of Shares

You may vote by attending the Annual Meeting and voting via the Internet, via our toll-free telephone number at 866-390-5390 or by submitting a proxy. The method of voting by proxy differs (1) depending on**

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whether you are viewing this proxy statement on the Internet or receiving a paper copy and (2) for shares held as a record holder and shares held in “street name.” If you are a shareholder of record on the Record Date, you can participate in the Annual Meeting online at www.proxydocs.com/ADPT and vote your shares during the Annual Meeting. Record Holder.If you hold your shares of common stock as a record holder and you are viewing this proxy statement on the Internet, you may vote by submitting a proxy over the Internet by following the instructions on the website referred to in the Notice of Internet Availability of Proxy Materials previously mailed to you. If you hold your shares of common stock as a record holder and you are reviewing a paper copy of this proxy statement, you may vote your shares by completing, dating and signing the proxy card that was included with the proxy statement and promptly returning it in