1stdibs director converts 40,926 RSUs into common shares

1stdibs.com, Inc. director Matthew R. Cohler reported an equity award conversion.

Rhea-AI Filing Summary

1stdibs.com, Inc. director Matthew R. Cohler reported an equity award conversion. On June 8, 2026, 40,926 Restricted Stock Units converted into the same number of shares of 1stdibs.com common stock at a $0.00 conversion price. Following this transaction, Cohler held 115,544 common shares directly. An additional 3,653,916 common shares were held indirectly through Benchmark-affiliated investment funds, which are managed by a general partner entity whose managing members, including Cohler, disclaim beneficial ownership beyond their pecuniary interests. The RSU award reflected in this filing was fully converted, with no remaining derivative position shown.

Insider Trade Summary

40,926 shares exercised/converted

Exercise 3 txns

Insider Cohler Matt

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	40,926	$0.00	$0.00
Exercise	Common Stock	40,926	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct); Common Stock — 115,544 shares (Direct); Common Stock — 3,653,916 shares (Indirect, See footnote)

Footnotes (3)

1. F1. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
2. F2. Shares are held directly by Benchmark Capital Partners VII, L.P. ("BCP VII") for itself and as nominee for Benchmark Founders' Fund VII, L.P. ("BFF VII") and Benchmark Founders' Fund VII-B, L.P. ("BFF VII-B"). Benchmark Capital Management Co. VII, L.L.C. ("BCMC VII"), the general partner for BCP VII, BFF VII and BFF VII-B may be deemed to have sole voting and dispositive power over the securities. Matthew R. Cohler, a member of the Issuer's board of directors, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey and Mitchell H. Lasky are the managing members of BCMC VII, and each of them may be deemed to share voting and dispositive power over the securities held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of the securities, except to the extent of such person's or entity's pecuniary interest in such securities.
3. F3. The restricted stock units have no expiration date.

Key Figures

RSUs converted: 40,926 units Conversion price: $0.00 per share Direct holdings after transaction: 115,544 shares +2 more

5 metrics

RSUs converted 40,926 units Restricted Stock Units converted to common stock on June 8, 2026

Conversion price $0.00 per share RSU-to-common-stock conversion price

Direct holdings after transaction 115,544 shares Common stock directly held by Matt Cohler after June 8, 2026

Indirect holdings 3,653,916 shares Common stock held indirectly via Benchmark-affiliated funds

Derivative position remaining 0 RSUs No remaining RSUs shown after 40,926-unit conversion

Key Terms

Restricted Stock Units, derivative security, pecuniary interest, disclaims beneficial ownership

4 terms

Restricted Stock Units financial

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

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

pecuniary interest financial

"disclaims beneficial ownership of the securities, except to the extent of such person's or entity's pecuniary interest in such securities."

disclaims beneficial ownership financial

"Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of the securities"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Matt Cohler do in this 1stdibs.com (DIBS) Form 4 filing?

Matt Cohler reported the conversion of 40,926 Restricted Stock Units into 40,926 shares of 1stdibs.com common stock at a $0.00 conversion price, reflecting an equity award vesting rather than an open-market stock purchase or sale.

How many 1stdibs.com (DIBS) shares does Matt Cohler hold after this transaction?

After the June 8, 2026 transaction, Matt Cohler directly held 115,544 shares of 1stdibs.com common stock. The filing also shows 3,653,916 additional shares held indirectly through Benchmark-affiliated investment funds associated with him and other managing members.

Were any 1stdibs.com (DIBS) shares sold or bought on the market in this Form 4?

No market purchases or sales were reported. The Form 4 shows a derivative exercise where 40,926 Restricted Stock Units converted into common stock at a $0.00 price, with no separate open-market buy or sell transactions disclosed in this filing.

What do the indirect 1stdibs.com (DIBS) holdings in this filing represent?

The 3,653,916 indirectly held shares belong to Benchmark Capital Partners VII and related funds. A general partner entity may be deemed to have voting and dispositive power, while Cohler and other managing members disclaim beneficial ownership except for their pecuniary interests in those securities.

Do the Restricted Stock Units in 1stdibs.com (DIBS) have an expiration date?

The filing states that the Restricted Stock Units have no expiration date. In this Form 4, 40,926 RSUs converted into the same number of common shares on June 8, 2026, and no remaining RSU position is shown afterward.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/10/2026 - 11:21 AM EDT 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^*

Cohler Matt

(Last) (First) (Middle)

C/O BENCHMARK

2965 WOODSIDE ROAD

(Street)

WOODSIDE CALIFORNIA 94062

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/08/2026		M		40,926	A	(1)	115,544	D
Common Stock								3,653,916	I	See footnote(2)

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)	06/08/2026		M			40,926	06/08/2026	(3)	Common Stock	40,926	$0	0	D

Explanation of Responses:

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

2. Shares are held directly by Benchmark Capital Partners VII, L.P. ("BCP VII") for itself and as nominee for Benchmark Founders' Fund VII, L.P. ("BFF VII") and Benchmark Founders' Fund VII-B, L.P. ("BFF VII-B"). Benchmark Capital Management Co. VII, L.L.C. ("BCMC VII"), the general partner for BCP VII, BFF VII and BFF VII-B may be deemed to have sole voting and dispositive power over the securities. Matthew R. Cohler, a member of the Issuer's board of directors, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey and Mitchell H. Lasky are the managing members of BCMC VII, and each of them may be deemed to share voting and dispositive power over the securities held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of the securities, except to the extent of such person's or entity's pecuniary interest in such securities.

3. The restricted stock units have no expiration date.

Remarks:

	/s/ Melanie Goins, Attorney-In-Fact for Matthew R. Cohler	06/10/2026
	** 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: SEC 1474 (03-26)