STOCK TITAN

1stdibs.com CFO gets 34K shares from RSU vesting

The CFO’s RSU vesting generated new DIBS shares, with a portion withheld to cover associated tax obligations rather than sold in the market.

(Neutral)
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Form Type
4

Rhea-AI Filing Summary

1stdibs.com, Inc. (DIBS) reported that Chief Financial Officer Thomas J. Etergino had three blocks of restricted stock units convert into an equal number of common shares on September 8, 2026, totaling 34,472 shares. On the same date, 17,599 shares of common stock were withheld at $4.73 per share to satisfy tax withholding obligations in connection with vesting RSU installments; none of these withheld shares were sold in open market transactions.

Positive

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Negative

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Insider Etergino Thomas J
Role Chief Financial Officer
Type Security Shares Price Value
Exercise Restricted Stock Units F1, F3 12,125 $0.00 $0.00
Exercise Restricted Stock Units F1, F4 11,172 $0.00 $0.00
Exercise Restricted Stock Units F1, F5 11,175 $0.00 $0.00
Exercise Common Stock F1 12,125 -- --
Exercise Common Stock F1 11,172 -- --
Exercise Common Stock F1 11,175 -- --
Tax Withholding Common Stock F2 17,599 $4.73 $83K
Holdings After Transaction: Restricted Stock Units — 300,019 contracts (Direct); Common Stock — 350,293 shares (Direct)
Footnotes (5)
  1. F1. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
  2. F2. 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, 2024, March 13, 2025, and March 13, 2026. None of these shares were sold in an open market transaction.
  3. F3. The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2026, 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. F4. The initial number of restricted stock units granted shall vest in 16 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.
  5. F5. The initial number of restricted stock units granted shall vest in 16 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.
RSUs converted 34,472 units/shares Total restricted stock units converted to common stock on September 8, 2026
Shares withheld for taxes 17,599 shares Common shares retained by issuer to satisfy tax withholding obligations
Tax withholding price $4.73 per share Per-share value used for shares withheld on September 8, 2026
RSU tranche 1 12,125 units/shares Restricted stock units converted into common stock on September 8, 2026
RSU tranche 2 11,172 units/shares Restricted stock units converted into common stock on September 8, 2026
RSU tranche 3 11,175 units/shares Restricted stock units converted into common stock on September 8, 2026
Restricted Stock Units financial
"Each restricted stock unit represents a contingent right to receive one share"
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.
net withholding basis financial
"These shares were retained by Issuer via settlement on a net withholding basis"
tax withholding obligations financial
"in order to meet the tax withholding obligations of the reporting person"
service relationship financial
"provided the Reporting Person continues to have a service relationship with the Issuer"

FAQ

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

What did DIBS Chief Financial Officer Thomas J. Etergino report on this Form 4?

He reported the conversion of 34,472 restricted stock units into an equal number of 1stdibs.com, Inc. common shares on September 8, 2026, plus a related share withholding for taxes.

How many DIBS RSUs vested and converted to common stock for the CFO?

A total of 34,472 restricted stock units vested and converted into 34,472 shares of 1stdibs.com, Inc. common stock on September 8, 2026.

How many DIBS shares were withheld for taxes and at what price?

The company retained 17,599 shares of 1stdibs.com, Inc. common stock at $4.73 per share to satisfy the CFO’s tax withholding obligations related to RSU vesting.

Were any of the DIBS shares sold in open market transactions?

No. The filing states that the 17,599 shares were retained by the issuer on a net withholding basis to cover tax obligations and that none of these shares were sold in an open market transaction.

Were these DIBS transactions made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not marked as being made under a Rule 10b5-1 plan, and the footnotes do not indicate any such plan.

What do the footnotes say about the CFO’s DIBS RSU awards?

The footnotes state each restricted stock unit represents a right to receive one DIBS share and describe RSU grants that vest in quarterly installments, conditioned on the reporting person’s continued service relationship with the issuer.

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

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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*
Etergino Thomas J

(Last)(First)(Middle)
300 PARK AVENUE SOUTH
10TH FLOOR

(Street)
NEW YORK NEW YORK 10010

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Financial Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/08/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock09/08/2026M12,125A(1)345,545D
Common Stock09/08/2026M11,172A(1)356,717D
Common Stock09/08/2026M11,175A(1)367,892D
Common Stock09/08/2026F17,599D$4.73(2)350,293D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)09/08/2026M12,125 (3) (3)Common Stock12,125$0121,250D
Restricted Stock Units(1)09/08/2026M11,172 (4) (4)Common Stock11,172$0111,719D
Restricted Stock Units(1)09/08/2026M11,175 (5) (5)Common Stock11,175$067,050D
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, 2024, March 13, 2025, and March 13, 2026. None of these shares were sold in an open market transaction.
3. The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2026, 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 16 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.
5. The initial number of restricted stock units granted shall vest in 16 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.
Remarks:
/s/ Melanie Goins, Attorney-In-Fact for Thomas J Etergino09/10/2026
** Signature of Reporting PersonDate
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)

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