Sell4

Cue Biopharma, Inc.

CUE

Total Value

$51.7K

Net $51.7K sold

Filing Date

Oct 14, 2026

1 transaction

Sales

$51.7K

1 transaction

Trade Summary

On Oct 12, 2026, Ray Sumita, Insider, sold $51.7K of Cue Biopharma, Inc. (CUE) across 1 transaction. The filing covers Common Stock and reflects net selling of $51.7K. Reported prices ranged from $28.05. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Price at the Time of the Trade

CUE daily price with the insider's sale marked at $28.05.

Sold in the lower half of the 6-month range · the stock trades 34% lower today.

Price data is delayed and provided for context only — not investment advice.

Insider Information

Name: Ray Sumita
Role: Insider
Location: SOMERVILLE, MA

Filing Details

Filing Date: Oct 14, 2026
Transaction Date: Oct 12, 2026
Accession Number: 0001579629-26-000012
Form Type: 4
Net Trading Amount: -$51.7K

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Oct 12, 2026	Common Stock	1,844	$28.05	Sale	$51.7K

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Footnotes

(F1)The sales reported represent shares sold pursuant to the Issuer's Company-Wide Policy and do not represent discretionary transactions by the Reporting Person. These sales were made automatically to satisfy mandatory tax withholding obligations through a "sell-to-cover" transaction in connection with the vesting and settlement of restricted stock units, and the Reporting Person did not exercise any control over the timing, price or number of shares sold.

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^*

Ray Sumita

(Last)

(First)

(Middle)

C/O CUE BIOPHARMA, INC.

100 CHESTNUT STREET, SUITE 300

(Street)

SOMERVILLE

02143

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Cue Biopharma, Inc. [ CUE ]

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

	Director		10% Owner
X	Officer (give title below)	X	Other (specify below)
	Chief Legal Compliance Officer		Corporate Secretary

3. Date of Earliest Transaction (Month/Day/Year)
10/12/2026

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)
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	10/12/2026		S⁽¹⁾		1,844	D	$28.05	116,701	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. The sales reported represent shares sold pursuant to the Issuer's Company-Wide Policy and do not represent discretionary transactions by the Reporting Person. These sales were made automatically to satisfy mandatory tax withholding obligations through a "sell-to-cover" transaction in connection with the vesting and settlement of restricted stock units, and the Reporting Person did not exercise any control over the timing, price or number of shares sold.

	/s/ Sumita Ray	10/14/2026
	** 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 as rendered by the SEC from accession 0001579629-26-000012.

Cue Biopharma, Inc.

Trade Summary

Price at the Time of the Trade

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

Price at the Time of the Trade

SEC Form 4