Form 4: 1stdibs.com CEO Reports Stock Transaction
Insider Transaction (Form 4)
David S Rosenblatt, Chief Executive Officer and a Director of 1stdibs.com, Inc., reported multiple transactions in common stock on September 8, 2026.
Summary
- Option exercise/conversion: acquired 37,500 Common Stock on September 8, 2026; holds 2,162,636 after (Direct).
- Option exercise/conversion: acquired 47,500 Common Stock on September 8, 2026; holds 2,210,136 after (Direct).
- Option exercise/conversion: acquired 47,500 Common Stock on September 8, 2026; holds 2,257,636 after (Direct).
- Option exercise/conversion: acquired 41,667 Common Stock on September 8, 2026; holds 2,299,303 after (Direct).
- Tax/exercise-price withholding: disposed of 96,229 Common Stock at $4.73 ($455,163) on September 8, 2026; holds 2,203,074 after (Direct).
- Option exercise/conversion: disposed of 37,500 Restricted Stock Units on September 8, 2026; holds 75,000 after (Direct).
- Option exercise/conversion: disposed of 47,500 Restricted Stock Units on September 8, 2026; holds 285,000 after (Direct).
- Option exercise/conversion: disposed of 47,500 Restricted Stock Units on September 8, 2026; holds 475,000 after (Direct).
- Option exercise/conversion: disposed of 41,667 Restricted Stock Units on September 8, 2026; holds 416,667 after (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
David S Rosenblatt — Director, Officer (Chief Executive Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-08 | Option exercise/conversion | Common Stock | 37,500 | — | — | 2,162,636 |
| 2026-09-08 | Option exercise/conversion | Common Stock | 47,500 | — | — | 2,210,136 |
| 2026-09-08 | Option exercise/conversion | Common Stock | 47,500 | — | — | 2,257,636 |
| 2026-09-08 | Option exercise/conversion | Common Stock | 41,667 | — | — | 2,299,303 |
| 2026-09-08 | Tax/exercise-price withholding | Common Stock | 96,229 | $5 | $455.2K | 2,203,074 |
| 2026-09-08 | Option exercise/conversion | Restricted Stock Units | 37,500 | — | — | 75,000 |
| 2026-09-08 | Option exercise/conversion | Restricted Stock Units | 47,500 | — | — | 285,000 |
| 2026-09-08 | Option exercise/conversion | Restricted Stock Units | 47,500 | — | — | 475,000 |
| 2026-09-08 | Option exercise/conversion | Restricted Stock Units | 41,667 | — | — | 416,667 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-08 | Option exercise/conversion (37,500 shares) |
| 2026-09-08 | Option exercise/conversion (47,500 shares) |
| 2026-09-08 | Option exercise/conversion (47,500 shares) |
| 2026-09-08 | Option exercise/conversion (41,667 shares) |
| 2026-09-08 | Tax/exercise-price withholding (96,229 shares) |
| 2026-09-08 | Option exercise/conversion (37,500 shares) |
| 2026-09-08 | Option exercise/conversion (47,500 shares) |
| 2026-09-08 | Option exercise/conversion (47,500 shares) |
| 2026-09-08 | Option exercise/conversion (41,667 shares) |
Keywords
insider transaction, Form 4, DIBS, 1stdibs.com, Inc., neutral, David S Rosenblatt
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