STOCK TITAN

Adaptive Biotechnologies (NASDAQ: ADPT) grants 44,063 shares to Chief People Officer

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Adaptive Biotechnologies Corp reported that its Chief People Officer, Francis Lo, acquired 44,063 shares of common stock on March 4, 2026 through a stock grant at no cost, described as a grant, award, or other acquisition. Following this equity award, Lo directly holds 360,041 common shares. The filing also notes an additional 2,500 common shares held indirectly through Lo’s spouse, You Jin Lee.

Positive

  • None.

Negative

  • None.
Insider LO FRANCIS
Role Chief People Officer
Type Security Shares Price Value
Grant/Award Common Stock 44,063 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 360,041 shares (Direct); Common Stock — 2,500 shares (Indirect, By You Jin Lee (spouse))
Footnotes (1)
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates
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*
LO FRANCIS

(Last) (First) (Middle)
C/O ADAPTIVE BIOTECHNOLOGIES CORPORATION
1165 EASTLAKE AVENUE EAST

(Street)
SEATTLE WA 98109

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Adaptive Biotechnologies Corp [ ADPT ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief People Officer
3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Common Stock 03/04/2026 A 44,063 A $0 360,041 D
Common Stock 2,500 I By You Jin Lee (spouse)
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
/s/ Francis Lo by Kyle Piskel, Attorney-in-Fact 03/06/2026
** 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.

FAQ

What insider transaction did Adaptive Biotechnologies (ADPT) report for Francis Lo?

Adaptive Biotechnologies reported that Chief People Officer Francis Lo received a grant of 44,063 common shares on March 4, 2026. The shares were acquired at no cost as a stock award, not through an open-market purchase.

How many Adaptive Biotechnologies (ADPT) shares does Francis Lo hold after this Form 4?

After the reported grant, Francis Lo directly holds 360,041 shares of Adaptive Biotechnologies common stock. The filing also reports 2,500 additional shares held indirectly through Lo’s spouse, noted as ownership by You Jin Lee.

Was the Adaptive Biotechnologies (ADPT) insider transaction a purchase or an award?

The transaction was an equity award, not an open-market purchase. The Form 4 uses code “A” and describes the event as a grant, award, or other acquisition, with a per-share price of $0.00, indicating a compensatory grant.

What indirect ownership is disclosed for Francis Lo in Adaptive Biotechnologies (ADPT)?

The filing lists 2,500 common shares of Adaptive Biotechnologies as owned indirectly by Francis Lo through a spouse, identified as You Jin Lee. This is separate from Lo’s directly held shares and reflects family-related beneficial ownership.

What does transaction code “A” mean in the Adaptive Biotechnologies (ADPT) Form 4?

Transaction code “A” in the Form 4 indicates a grant, award, or other acquisition of securities. In this case, it reflects a stock grant of 44,063 common shares to Chief People Officer Francis Lo, received without paying a purchase price.