ADPT (NASDAQ: ADPT) insider plans 64,293-share sale under Rule 144

Rhea-AI Filing Summary

A holder of ADPT common stock has filed a notice of proposed sale under Rule 144 for 64,293 shares of common stock. The shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services on the NASDAQ, with an aggregate market value of 1,013,257.68. These shares were acquired on 01/12/2026 via a cash exercise of stock options from the issuer, with payment also made on that date.

The notice also lists prior Rule 10b5-1 sales for Francis Lo over the past three months, including a sale of 113,890 common shares on 12/15/2025 for gross proceeds of 1,773,381.19, along with additional smaller sales on 12/22/2025 and 01/02/2026. By signing, the seller represents not knowing any undisclosed material adverse information about the issuer.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	64293	1013257.68	152665188	01/12/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/12/2026	Exercise of Stock Options	Issuer			64293	01/12/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for FRANCIS LO 1165 Eastlake Avenue East Seattle WA 98109	Common	01/02/2026	3125	50247.81
10b5-1 Sales for FRANCIS LO 1165 Eastlake Avenue East Seattle WA 98109	Common	12/22/2025	4394	76874.14
10b5-1 Sales for FRANCIS LO 1165 Eastlake Avenue East Seattle WA 98109	Common	12/15/2025	113890	1773381.19

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many ADPT shares are covered by this Form 144 notice?

The Form 144 notice covers a proposed sale of 64,293 shares of ADPT common stock, with an aggregate market value of 1,013,257.68.

How were the ADPT shares in this Form 144 acquired?

The 64,293 ADPT common shares were acquired on 01/12/2026 through a cash exercise of stock options from the issuer, with payment made the same day.

Which broker is handling the planned ADPT share sale?

The planned sale of 64,293 ADPT common shares will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, listed at 1 New York Plaza, New York, NY 10004.

On which exchange are the ADPT shares expected to be sold?

The notice states that the 64,293 ADPT common shares are expected to be sold on the NASDAQ exchange.

What prior ADPT stock sales by the same seller are disclosed?

Over the past three months, disclosed Rule 10b5-1 sales for Francis Lo include 113,890 common shares sold on 12/15/2025 for 1,773,381.19, plus additional sales of 4,394 shares on 12/22/2025 and 3,125 shares on 01/02/2026.

What representation does the seller make in this ADPT Form 144?

The seller represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed, consistent with Rule 144 requirements.