SCHEDULE: 1stdibs.com Stakeholder Ownership Update

Schedule 13G filing details significant beneficial ownership changes for 1stdibs.com, Inc. by David S. Rosenblatt and associated trusts.

Summary

• This filing is an amendment to a Schedule 13G, indicating changes in beneficial ownership of 1stdibs.com, Inc. common stock.
• David S. Rosenblatt, as an individual, beneficially owns 3,623,864 shares, representing 9.8% of the class.
• The 2012 David Rosenblatt Family Trust beneficially owns 665,302 shares, representing 1.9% of the class.
• Bessemer Trust Company of Delaware, N.A., as Trustee for the 2024 Laura Thalheimer Rosenblatt Family Trust, beneficially owns 22,500 shares, representing 0.1% of the class.
• The total outstanding shares of common stock as of March 31, 2026, were 35,445,599.
• David S. Rosenblatt disclaims beneficial ownership of shares held by the Trusts, except for his pecuniary interest.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing, primarily an administrative update on ownership stakes without new financial performance data or strategic shifts.

Positives

• Clear disclosure of beneficial ownership percentages, providing transparency to investors.
• The filing indicates a significant stake (9.8%) held by David S. Rosenblatt, which could signal continued confidence in the company.

Negatives

• David S. Rosenblatt explicitly disclaims beneficial ownership of shares held by the Trusts, potentially indicating a separation of control or influence over those holdings.

Risks

• Potential for future changes in beneficial ownership that could impact share price or corporate control.
• The disclaimer of beneficial ownership by David S. Rosenblatt over trust holdings could create uncertainty regarding strategic alignment or decision-making.

Future Outlook

No specific forward-looking statements or guidance are provided in this Schedule 13G filing, as it pertains to ownership disclosure.

Management Comments

• David S. Rosenblatt disclaims beneficial ownership of the shares of Common Stock held by the Trusts, except to the extent of his pecuniary interest therein.
• The filing of this Amendment shall not be deemed an admission that Mr. Rosenblatt is, for purposes of Section 13(g) of the Securities Exchange Act of 1934, as amended, or otherwise, the beneficial owner of any equity securities held by the Trusts and covered by this Amendment.

Industry Context

StockSavvy.ai notes that Schedule 13G filings are standard disclosures for significant institutional investors and insiders, providing transparency on ownership stakes. This filing updates existing positions and clarifies the extent of beneficial ownership.

Stakeholder Impact

• Shareholders gain clarity on the beneficial ownership structure and the extent of holdings by key individuals and trusts.
• Potential investors can use this information to assess the concentration of ownership and potential influence on the company's direction.

Next Steps

• Continued monitoring of future Schedule 13G filings for any further changes in beneficial ownership.
• Review of subsequent SEC filings by 1stdibs.com, Inc. for operational and financial updates.

Key Dates

Keywords

1stdibs.com, Schedule 13G, Beneficial Ownership, SEC Filing, David S. Rosenblatt, Family Trust, Common Stock, Ownership Stake