ThredUp (TDUP) CFO converts RSUs into Class A common shares

Rhea-AI Filing Summary

ThredUp Inc. Chief Financial Officer Sean Sobers reported multiple equity award transactions involving restricted stock units (RSUs) and Class A common stock on March 1, 2026. All transactions are coded as exercises or conversions of derivative securities, not open-market purchases or sales.

The filings show three RSU exercises of 36,667, 25,833, and 23,609 RSUs, each at a price of $0.00 per unit. Corresponding entries for Class A common stock reflect acquisitions of the same share amounts at $0.00 per share, consistent with RSUs settling into stock.

Footnotes state that each RSU represents a right to receive one share of Class A common stock. They also disclose prior RSU grants of 440,000 units on February 26, 2024, 310,000 units on January 9, 2025, and 283,312 units on January 28, 2026, each vesting in twelve equal quarterly installments, subject to continued service.

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

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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^*

Sobers Sean

(Last) (First) (Middle)

C/O THREDUP INC.

969 BROADWAY, SUITE 200

(Street)

OAKLAND CA 94607

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ThredUp Inc. [ TDUP ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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
Class A Common Stock	03/01/2026		M		36,667	A	$0	562,316	D
Class A Common Stock	03/01/2026		M		25,833	A	$0	588,149	D
Class A Common Stock	03/01/2026		M		23,609	A	$0	611,758	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	03/01/2026		M			36,667	(2)	(2)	Class A Common Stock	36,667	$0	599,979	D
Restricted Stock Units	(1)	03/01/2026		M			25,833	(3)	(3)	Class A Common Stock	25,833	$0	574,146	D
Restricted Stock Units	(1)	03/01/2026		M			23,609	(4)	(4)	Class A Common Stock	23,609	$0	550,537	D

Explanation of Responses:

1. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

2. On February 26, 2024, the Reporting Person was granted 440,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

3. On January 9, 2025, the Reporting Person was granted 310,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

4. On January 28, 2026, the Reporting Person was granted 283,312 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

Remarks:

	/s/ Alon Rotem, Attorney-in-Fact	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider activity did ThredUp (TDUP) report for Sean Sobers?

ThredUp Chief Financial Officer Sean Sobers reported RSU exercises that settled into Class A common stock. On March 1, 2026, he converted multiple blocks of restricted stock units into equivalent shares at $0.00 per share, with no open-market buying or selling reported.

How many ThredUp RSUs did Sean Sobers convert into shares?

Sean Sobers exercised three RSU blocks of 36,667, 25,833, and 23,609 units. Each restricted stock unit represents a contingent right to receive one share of ThredUp’s Class A common stock, so the same amounts of shares were acquired at $0.00 per share upon settlement.

What are the key terms of Sean Sobers’ 2024 ThredUp RSU grant?

On February 26, 2024, Sean Sobers received 440,000 RSUs from ThredUp. These units vest in twelve equal quarterly installments on June 1, September 1, December 1, and March 1, provided he continues serving the company on each vesting date, gradually delivering Class A shares.

What are the details of Sean Sobers’ 2025 RSU grant at ThredUp (TDUP)?

On January 9, 2025, Sean Sobers was granted 310,000 RSUs. The award vests in twelve equal quarterly installments on June 1, September 1, December 1, and March 1, subject to his continued service, with each vested unit converting into one share of Class A common stock.

What did the January 28, 2026 ThredUp RSU grant to Sean Sobers include?

On January 28, 2026, Sean Sobers received 283,312 RSUs from ThredUp. These units vest over twelve equal quarterly installments on June 1, September 1, December 1, and March 1, assuming ongoing service, and each vested RSU entitles him to one share of Class A common stock.

Do Sean Sobers’ ThredUp RSUs automatically convert to Class A common stock?

Each ThredUp RSU represents a contingent right to one share of Class A common stock. As RSUs vest on scheduled quarterly dates, they are eligible to settle into shares, as reflected by the reported March 1, 2026 conversions at an exercise price of $0.00 per share.