Adaptive Biotechnologies CEO gifts 100,000 shares

Q: How many ADPT shares did Chad M. Robins give to the Robins Nest Family Foundation?

Chad M. Robins reported a gift disposition of 100,000 common shares on November 9, 2026. The related footnote states that all shares were to be sold to the Robins Nest Family Foundation.

Q: How many ADPT shares did Chad M. Robins hold after the gift?

Chad M. Robins reported direct holdings of 2,080,518 common shares following the November 9, 2026 transaction.

Available on EDGAR 11/12/2026 - 07:31 PM EST Accepted by SEC EDGAR 11/12/2026 - 07:31 PM EST

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

Adaptive Biotechnologies Corp (ADPT) CEO and Chairman Chad M. Robins reported a bona fide gift disposition of 100,000 common shares on November 9, 2026. A related footnote identifies the Robins Nest Family Foundation as the party to which the shares were to be sold.

Insider Trade Summary

100,000 shares gifted

Gift 1 txn

Insider ROBINS CHAD M

Role CEO and Chairman

Type	Security	Shares	Price	Value
Gift	Common Stock ^F1	100,000	$0.00	$0.00

Holdings After Transaction: Common Stock — 2,080,518 shares (Direct)

Footnotes (1)

F1. All shares to be sold to the Robins Nest Family Foundation.

Key Figures

Common shares gifted: 100,000 shares Direct common shares held: 2,080,518 shares

2 metrics

Common shares gifted 100,000 shares Bona fide gift disposition reported November 9, 2026

Direct common shares held 2,080,518 shares Reported following the transaction

Key Terms

Bona fide gift

1 terms

Bona fide gift regulatory

"the 100,000-share gift disposition reported by Chad M. Robins"

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ADPT shares did Chad M. Robins give to the Robins Nest Family Foundation?

Chad M. Robins reported a gift disposition of 100,000 common shares on November 9, 2026. The related footnote states that all shares were to be sold to the Robins Nest Family Foundation.

How many ADPT shares did Chad M. Robins hold after the gift?

Chad M. Robins reported direct holdings of 2,080,518 common shares following the November 9, 2026 transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

ROBINS CHAD M

(Last)

(First)

(Middle)

C/O ADAPTIVE BIOTECHNOLOGIES CORPORATION

1165 EASTLAKE AVENUE EAST

(Street)

SEATTLE

WASHINGTON

98109

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Adaptive Biotechnologies Corp [ ADPT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CEO and Chairman

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	11/09/2026		G⁽¹⁾		100,000	D	$0.00	2,080,518	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. All shares to be sold to the Robins Nest Family Foundation.

	/s/ Chad M. Robins by Kyle Piskel, Attorney-in-Fact	11/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR