4 unchanged sentences
Based on the evaluation of our disclosure controls and procedures, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of December 31, 2025 at the reasonable assurance level.
−Removed: Our disclosure controls and procedures and internal control over financial reporting are designed to provide reasonable assurance of achieving the desired control objectives.
+Added: Our disclosure controls and procedures and internal controls over financial reporting are designed to provide reasonable assurance of achieving the desired control objectives.
Our management recognizes that any control system, no matter how well designed and operated, is based upon certain judgments and assumptions and cannot provide absolute assurance that its objectives will be met.
23 unchanged sentences
In addition, because of pricing (such as future share price targets) and timing conditions in each 10b5-1 trading arrangement, it is not yet determinable how many shares actually will be sold under each plan prior to its expiration date.
−Removed: On December 14, 2024 , Nancy Hood , our Chief Marketing Officer , entered into a 10b5-1 trading plan during an open insider trading window, intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding insider transactions for trades over a period of time from March 14, 2025 until December 12, 2025 or such earlier time as when 124,382 shares of the Company’s common stock are sold.
−Removed: On December 16, 2024 , Ryan Beauchamp , our Chief Product Officer , entered into a 10b5-1 trading plan during an open insider trading window, intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding insider transactions for trades over a period of time from June 9, 2025 until June 30, 2025 or such earlier time as when 10,856 shares of the Company’s common stock are sold.
+Added: On December 9, 2025 , Melanie Goins , our General Counsel and Chief People Officer , entered into a 10b5-1 trading plan during an open insider trading window, intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding insider transactions for trades over a period of time from March 9, 2026 until December 1, 2026 or such earlier time as when 45,000 shares of the Company’s common stock are sold.
During the quarter ended December 31, 2025, no other directors or officers adopted , modified, or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as defined in Item 408 of Regulation S-K.
34 unchanged sentences
10.8+ Offer Letter from the Registrant to Thomas Etergino, dated February 25, 2022 (incorporated by reference from Exhibit 10.1 filed with the registrant’s Current Report on Form 8-K filed March 1, 2022).
−Removed: 10.9+* Offer Letter from the Registrant to Ryan Beauchamp, dated February 6, 2023
+Added: 10.9+* Offer Letter from the Registrant to Melanie Goins , dated February 9 , 202 1
10.10+ Form of Executive Bonus Plan (incorporated by reference from Exhibit 10.10 to the Form S-1).
2 unchanged sentences
10.12+ Second Amended and Restated Non-Employee Director Compensation Policy of the Board of Directors of 1stdibs.com, Inc.
−Removed: (incorporated by reference from Exhibit 10.
−Removed: 13 to the registrant’s Annual Report on Form 10-K filed February 29 , 202 4 ).
+Added: (incorporated by reference from Exhibit 10.13 to the registrant’s Annual Report on Form 10-K filed February 29, 2024).
10.13 Sublease Agreement, dated as of August 16, 2023, by and between 1stdibs.com, Inc.
6 unchanged sentences
incorporated by reference from Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed June 6, 2024).
−Removed: 19.1* Insider Trading Policy
+Added: Insider Trading Policy (incorporated by reference from Exhibit 19.1 to the registrant’s Annual Report on Form 10-K filed March 3, 2025).
21.1* List of Subsidiaries.
23 unchanged sentences
Form 10-K Summary
−Removed: Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of New York, New York, on March 3, 2025.
+Added: Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of New York, New York, on February 27, 2026.
1STDIBS.COM, INC.
8 unchanged sentences
Signature Title Date
−Removed: Rosenblatt Chief Executive Officer and Director March 3, 2025
+Added: Rosenblatt Chief Executive Officer and Director February 27, 2026
(Principal Executive Officer)
−Removed: /s/ Thomas Etergino Chief Financial Officer March 3, 2025
+Added: /s/ Thomas Etergino Chief Financial Officer February 27, 2026
Thomas Etergino
1 unchanged sentence
/s/ Matthew R.
−Removed: Cohler Director March 3, 2025
−Removed: Hickok Director March 3, 2025
+Added: Cohler Director February 27, 2026
+Added: Hickok Director February 27, 2026
/s/ Andrew G.
−Removed: Robb Director March 3, 2025
−Removed: Schipper Director March 3, 2025
−Removed: /s/ Everette Taylor Director March 3, 2025
+Added: Robb Director February 27, 2026
+Added: Schipper Director February 27, 2026
+Added: /s/ Everette Taylor Director February 27, 2026
Everette Taylor
−Removed: Volent Director March 3, 2025
+Added: Volent Director February 27, 2026
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.