[Form 4] 1stdibs.com, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Melanie Goins, General Counsel and CPO of 1stdibs.com, Inc. (DIBS), reported multiple vesting-related transactions on 09/08/2025. The filings show she had restricted stock units (RSUs) vest in several installments resulting in acquisitions of 5,331; 8,831; 8,990; and 10,042 shares, and an additional reported disposition of 9,744 shares retained by the issuer to satisfy tax withholding at a price of $2.80 per share. After these transactions the Form 4 lists her beneficial ownership in common stock at various post-transaction totals, the largest being 200,914 shares for one reported line. The RSUs have no expiration dates and vest in scheduled quarterly installments tied to continued service.

Positive

• Multiple RSU vestings occurred, increasing the reporting persons direct ownership and aligning management with shareholder interests
• Tax withholding was handled by issuer through net settlement, indicating no open-market sale pressure from these transactions

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Insider received multiple RSU vestings and elected net withholding to satisfy taxes; this is routine retention-based compensation, not open-market selling.

The Form 4 documents scheduled vesting of RSUs granted across 2022–2025, with the reporting person acquiring shares as each tranche vested. The filing also shows shares withheld by the issuer to cover tax obligations rather than an open-market sale, which preserves stock ownership concentration while meeting tax requirements. For investors, these entries primarily indicate continued compensation alignment with the company via equity awards and do not represent discretionary sales of vested shares into the market.

Securities Analyst

TL;DR: Transactions are vesting and tax-withholding related and carry limited immediate market impact; monitor insider ownership levels for governance context.

The reported RSU vesting increased the reporting persons direct holdings in multiple tranches, with net withholding of 9,744 shares at $2.80 per share to satisfy taxes. No open-market disposition is reported. The filing gives a clear view of how equity compensation is converting to shares, which slightly alters outstanding share distribution but is not a liquidity-driven sale.

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^*

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)
09/08/2025

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	09/08/2025		M		5,331	A	(1)	173,051	D
Common Stock	09/08/2025		M		8,831	A	(1)	181,882	D
Common Stock	09/08/2025		M		8,990	A	(1)	190,872	D
Common Stock	09/08/2025		M		10,042	A	(1)	200,914	D
Common Stock	09/08/2025		S		9,744(2)	D	$2.8	191,170	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)	09/08/2025		M			5,331	(3)	(3)	Common Stock	5,331	$0	10,663	D
Restricted Stock Units	(1)	09/08/2025		M			8,831	(4)	(4)	Common Stock	8,831	$0	17,663	D
Restricted Stock Units	(1)	09/08/2025		M			8,990	(5)	(5)	Common Stock	8,990	$0	53,940	D
Restricted Stock Units	(1)	09/08/2025		M			10,042	(6)	(6)	Common Stock	10,042	$0	100,417	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. 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.

4. 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.

5. 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.

6. 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	09/10/2025
	** 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 transactions did Melanie Goins report for DIBS on the Form 4?

The Form 4 reports RSU vestings on 09/08/2025 resulting in acquisitions of 5,331, 8,831, 8,990, and 10,042 shares and a net withholding disposition of 9,744 shares to cover taxes at $2.80 per share.

Do the reported dispositions represent open-market sales for DIBS (ticker DIBS)?

No. The 9,744 shares were retained by the issuer via net settlement to satisfy tax withholding; the filing states these were not sold in an open market transaction.

How does the Form 4 describe the RSU vesting schedule?

The RSUs vest in equal quarterly installments: one grant vests over 16 quarterly installments starting June 8, 2022; other grants vest over 12 quarterly installments starting June 8 of 2023, 2024, and 2025. The RSUs have no expiration date.

What are the post-transaction beneficial ownership figures reported?

Post-transaction beneficial ownership amounts listed in the Form 4 include figures such as 173,051, 181,882, 190,872, 200,914, and 191,170 shares for different reported lines.

Are these transactions material or likely to affect DIBS share price immediately?

The Form 4 indicates these are vesting and tax-withholding actions rather than open-market sales; the filing itself does not indicate a material market-moving disposition.