1stdibs.com (NASDAQ: DIBS) GC trades RSU shares under 10b5-1 plan

Rhea-AI Filing Summary

1stdibs.com General Counsel and CPO Melanie Goins reported a combination of stock award vesting and share sales. On March 9, 2026, several batches of restricted stock units were exercised into a total of 33,195 shares of common stock at a conversion price of $0.00 per share, reflecting routine RSU vesting.

To cover related tax obligations, 9,745 shares were retained by the company on a net-withholding basis rather than sold. Between March 9 and 11, 2026, Goins then completed open‑market sales totaling 14,900 shares of common stock at weighted average prices ranging from $5.50 to $5.56 per share, executed under a pre‑arranged Rule 10b5‑1 trading plan. After these transactions, she directly holds 221,618 shares of common stock.

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

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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).

X

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^*

Goins Melanie F

(Last) (First) (Middle)

300 PARK AVENUE SOUTH

10TH FLOOR

(Street)

NEW YORK NY 10010

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
1stdibs.com, Inc. [ DIBS ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel and CPO

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

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	03/09/2026		M		5,332	A	(1)	218,400	D
Common Stock	03/09/2026		M		8,990	A	(1)	227,390	D
Common Stock	03/09/2026		M		10,041	A	(1)	237,431	D
Common Stock	03/09/2026		M		8,832	A	(1)	246,263	D
Common Stock	03/09/2026		F		9,745	D	(2)	236,518	D
Common Stock	03/09/2026		S		12,248(3)	D	$5.5(4)	224,270	D
Common Stock	03/10/2026		S		2,616(3)	D	$5.52(5)	221,654	D
Common Stock	03/11/2026		S		36(3)	D	$5.5	221,618	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)	03/09/2026		M			5,332	(6)	(6)	Common Stock	5,332	$0	0	D
Restricted Stock Units	(1)	03/09/2026		M			8,832	(7)	(7)	Common Stock	8,832	$0	0	D
Restricted Stock Units	(1)	03/09/2026		M			8,990	(8)	(8)	Common Stock	8,990	$0	35,960	D
Restricted Stock Units	(1)	03/09/2026		M			10,041	(9)	(9)	Common Stock	10,041	$0	80,334	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

2. These shares were retained by Issuer via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2022, March 14, 2023, March 15, 2024 and March 13, 2025. None of these shares were sold in an open market transaction.

3. This transaction was effected pursuant to a Rule 10b5-1 trading plan, adopted December 9, 2025.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.50 to $5.52, inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.50 to $5.56, inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

6. The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

7. The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

8. The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

9. The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2025, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

Remarks:

	/s/ Melanie Goins	03/11/2026
	** 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.
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FAQ

What did 1stdibs.com (DIBS) General Counsel Melanie Goins report in this Form 4?

Melanie Goins reported RSU vesting, tax withholding, and open-market share sales. RSU exercises added 33,195 common shares, 9,745 shares were withheld for taxes, and 14,900 shares were sold under a Rule 10b5-1 trading plan.

How many 1stdibs.com (DIBS) shares did Melanie Goins sell and at what prices?

She sold a total of 14,900 shares of 1stdibs.com common stock. The weighted average sale prices ranged from $5.50 to $5.56 per share across multiple open-market transactions on March 9, 10, and 11, 2026.

Were Melanie Goins’ 1stdibs.com (DIBS) stock sales pre-planned?

Yes. The filing states the transactions were executed under a Rule 10b5-1 trading plan adopted on December 9, 2025. Such plans pre-schedule trades, indicating these sales followed a pre-arranged program rather than discretionary market timing.

How many 1stdibs.com (DIBS) shares does Melanie Goins hold after these transactions?

After completing the RSU conversions, tax withholding, and open-market sales, Melanie Goins directly holds 221,618 shares of 1stdibs.com common stock. This post-transaction balance is reported in the Form 4’s ownership columns for her direct holdings.

What role did restricted stock units (RSUs) play in the 1stdibs.com (DIBS) Form 4?

Several RSU grants vested and were converted into 33,195 common shares at a $0.00 conversion price. The RSUs vest in equal quarterly installments, and the resulting shares formed the basis for both the tax-withholding disposition and a portion of the reported sales.

Were any of Melanie Goins’ 1stdibs.com (DIBS) shares sold to cover taxes?

No shares were sold in the market to cover taxes; instead, 9,745 shares were retained by the company on a net-withholding basis. This mechanism met her tax obligations associated with RSU vesting without open-market tax-related sales.