1stdibs.com, Inc.
Total Trades
105
Buys
0
Sells
86
Largest Trade
N/A
Insiders
11
Institutional Funds
62
Inst. Value
$1M+
Activist Filings
21
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Etergino Thomas J | CFO | EXERCISE | N/A | 53K | — | Dec 10, 2025 |
| Etergino Thomas J | CFO | SELL | $100K–$500K | 27K | $5.96 | Dec 10, 2025 |
| Goins Melanie F | General Counsel an… | SELL | $50K–$100K | 11K | $5.96 | Dec 10, 2025 |
| Goins Melanie F | General Counsel an… | EXERCISE | N/A | 33K | — | Dec 10, 2025 |
| ROSENBLATT DAVID S | CEO | EXERCISE | N/A | 133K | — | Dec 10, 2025 |
| ROSENBLATT DAVID S | CEO | SELL | $100K–$500K | 73K | $5.96 | Dec 10, 2025 |
| ROSENBLATT DAVID S | CEO | SELL | $1M+ | 595K | $5.09 | Nov 27, 2025 |
| ROSENBLATT DAVID S | CEO | EXERCISE | $1M+ | 667K | $3.87 | Nov 27, 2025 |
| Etergino Thomas J | CFO | SELL | $50K–$100K | 19K | $2.80 | Sep 10, 2025 |
| Etergino Thomas J | CFO | EXERCISE | N/A | 53K | — | Sep 10, 2025 |
| Goins Melanie F | General Counsel an… | SELL | $15K–$50K | 10K | $2.80 | Sep 10, 2025 |
| Goins Melanie F | General Counsel an… | EXERCISE | N/A | 33K | — | Sep 10, 2025 |
| ROSENBLATT DAVID S | CEO | EXERCISE | N/A | 133K | — | Sep 10, 2025 |
| ROSENBLATT DAVID S | CEO | SELL | $100K–$500K | 73K | $2.80 | Sep 10, 2025 |
| Rubinger Matthew | Chief Commercial O… | SELL | $15K–$50K | 8K | $3.00 | Mar 19, 2025 |
| Rubinger Matthew | Chief Commercial O… | SELL | $15K–$50K | 8K | $3.60 | Mar 13, 2025 |
| Rubinger Matthew | Chief Commercial O… | SELL | $15K–$50K | 12K | $3.94 | Nov 26, 2024 |
| Etergino Thomas J | CFO | SELL | $1K–$15K | 921 | $4.53 | Oct 15, 2024 |
| Etergino Thomas J | CFO | SELL | $15K–$50K | 5K | $4.50 | Oct 11, 2024 |
| Rubinger Matthew | Chief Commercial O… | SELL | $15K–$50K | 5K | $4.92 | Jun 18, 2024 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $1M+ | 4.0M | $5.20 | Jun 5, 2024 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $100K–$500K | 18K | $5.55 | May 23, 2024 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $500K+ | 108K | $5.02 | Apr 18, 2024 |
| Etergino Thomas J | CFO | SELL | $15K–$50K | 5K | $5.91 | Apr 10, 2024 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $1K–$15K | 2K | $6.00 | Apr 8, 2024 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $100K–$500K | 20K | $6.01 | Apr 4, 2024 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $500K+ | 143K | $6.02 | Mar 29, 2024 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $500K+ | 106K | $6.11 | Mar 27, 2024 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $500K+ | 99K | $6.03 | Mar 22, 2024 |
| Hood Nancy | Chief Marketing Of… | SELL | $50K–$100K | 8K | $6.00 | Mar 21, 2024 |
| Rubinger Matthew | Chief Commercial O… | SELL | $15K–$50K | 3K | $6.01 | Mar 21, 2024 |
| Hood Nancy | Chief Marketing Of… | SELL | $15K–$50K | 6K | $4.50 | Dec 22, 2023 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $100K–$500K | 93K | $4.28 | Dec 2, 2023 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $100K–$500K | 96K | $4.30 | Nov 29, 2023 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $500K+ | 149K | $4.31 | Nov 23, 2023 |
| Insight Holdings Group, LLC | 10% Owner | SELL | $100K–$500K | 41K | $4.52 | Nov 21, 2023 |
| Etergino Thomas J | CFO | SELL | $1K–$15K | 4K | $3.87 | Sep 19, 2023 |
| Hood Nancy | Chief Marketing Of… | SELL | $1K–$15K | 2K | $3.87 | Sep 19, 2023 |
| Goins Melanie F | General Counsel | SELL | $1K–$15K | 2K | $3.87 | Sep 19, 2023 |
| Rubinger Matthew | Chief Commercial O… | SELL | $1K–$15K | 1K | $3.87 | Sep 19, 2023 |
| ROSENBLATT DAVID S | CEO | SELL | $15K–$50K | 5K | $3.87 | Sep 19, 2023 |
| Lipman Alison K. | Chief People Officer | SELL | $1K–$15K | 2K | $3.87 | Sep 19, 2023 |
| Rubinger Matthew | Chief Commercial O… | SELL | $15K–$50K | 11K | $4.06 | Sep 15, 2023 |
| Etergino Thomas J | CFO | SELL | $15K–$50K | 4K | $4.12 | Sep 15, 2023 |
| Hood Nancy | Chief Marketing Of… | SELL | $1K–$15K | 2K | $4.12 | Sep 15, 2023 |
| Goins Melanie F | General Counsel | SELL | $1K–$15K | 2K | $4.12 | Sep 15, 2023 |
| ROSENBLATT DAVID S | CEO | SELL | $15K–$50K | 5K | $4.12 | Sep 15, 2023 |
| Lipman Alison K. | Chief People Officer | SELL | $1K–$15K | 2K | $4.12 | Sep 15, 2023 |
| Etergino Thomas J | CFO | SELL | $15K–$50K | 4K | $4.19 | Sep 13, 2023 |
| Hood Nancy | Chief Marketing Of… | SELL | $1K–$15K | 2K | $4.19 | Sep 13, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 62 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| BECK MACK & OLIVER LLC | 2.0M | $1M+ | SH |
| Kanen Wealth Management LLC | 1.2M | $1M+ | SH |
| Joel Isaacson & Co., LLC | 1.1M | $1M+ | SH |
| G2 Investment Partners Management LLC | 677K | $1M+ | SH |
| Harspring Capital Management, LLC | 660K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 504K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 503K | $1M+ | SH |
| Truffle Hound Capital, LLC | 400K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 341K | $1M+ | SH |
| FIRST MANHATTAN CO. LLC. | 338K | $1M+ | SH |
| FreeGulliver LLC | 296K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 258K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 223K | $1M+ | SH |
| ALLEN OPERATIONS LLC | 177K | $1M+ | SH |
| VANGUARD GROUP INC | 155K | $500K+ | SH |
| JANE STREET GROUP, LLC | 149K | $500K+ | SH |
| STATE STREET CORP | 129K | $500K+ | SH |
| Archon Capital Management LLC | 119K | $500K+ | SH |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 100K | $500K+ | SH |
| OMERS ADMINISTRATION Corp | 76K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 13, 2026
9.3%
3.5M shares
SC 13G · Feb 6, 2026
3.3%
1.2M shares
SC 13G · Jan 15, 2026
0.0%
0 shares
SC 13D · Nov 22, 2025
5.1%
1.9M shares
SC 13G/A · Nov 14, 2025
10.4%
4.0M shares
SC 13G/A · Aug 14, 2025
10.2%
3.9M shares
Benchmark Capital Partners V, L.P.
SC 13G/A · Feb 14, 2025
7.7%
2.8M shares
SC 13G/A · Nov 15, 2024
9.1%
3.5M shares
SC 13G · Nov 7, 2024
8.3%
3.3M shares
Insight Venture Partners IX, L.P.
SC 13G/A · Jun 6, 2024
0.0%
0 shares
SC 13G/A · Feb 15, 2024
7.7%
3.3M shares
SC 13G/A · Feb 14, 2024
4.9%
1.9M shares
Benchmark Capital Partners V, L.P. (“BCP V”)
SC 13G/A · Feb 13, 2024
7.0%
2.8M shares
Insight Venture Partners IX, L.P.
SC 13G/A · Feb 10, 2024
7.1%
2.8M shares
SC 13G/A · Feb 14, 2023
5.2%
2.0M shares
Benchmark Capital Partners V, L.P. (“BCP V”)
SC 13G/A · Feb 14, 2023
7.2%
2.8M shares
SC 13G · Feb 10, 2023
7.0%
28.4M shares
SC 13G · Apr 18, 2022
5.2%
2.0M shares
SC 13G · Feb 14, 2022
6.4%
24.3M shares
Benchmark Capital Partners V, L.P. (“BCP V”)
SC 13G · Feb 14, 2022
7.4%
2.8M shares
Insight Venture Partners IX, L.P.
SC 13G · Feb 10, 2022
8.2%
3.1M shares