DIBS

1stdibs.com, Inc.

Insider activity for last month from 08/11 to 09/11. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 10, 2026Most recent Form 4
Total buying$00 buys
Total selling$00 sells
Net open-market+$03 insiders
Open-market mix
Buy vs sell distribution by transaction count
0 transactions

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAugSep

Transaction codes

By Form 4 transaction code in selected period
23transactions
  • M · Option exercise · dominant20 · 87%
  • F · Tax withholding3 · 13%

Activity by reported role

A joint filing can contribute to multiple roles
23transactions
  • Chief executive officer · dominant9 · 39%
  • Chief financial officer7 · 30%
  • GC7 · 30%

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (3)
Aug 2026Sep 2026
3distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Rosenblatt David SCommon Stock · Direct
2.3M2.2MSep 08, 2026 · 2,203,074 shares owned afterSep 08, 2026 · 2,299,303 shares owned afterSep 08, 2026 · 2,210,136 shares owned afterSep 08, 2026 · 2,257,636 shares owned afterSep 08, 2026 · 2,162,636 shares owned afterSep 08, 2026Sep 08, 2026
2,162,636Sep 08, 2026
Rosenblatt David SRestricted Stock Units · Direct
475.0k75.0kSep 08, 2026 · 475,000 shares owned afterSep 08, 2026 · 416,667 shares owned afterSep 08, 2026 · 285,000 shares owned afterSep 08, 2026 · 75,000 shares owned afterSep 08, 2026Sep 08, 2026
75,000Sep 08, 2026
Goins Melanie FCommon Stock · Direct
273.7k252.1kSep 08, 2026 · 273,662 shares owned afterSep 08, 2026 · 264,692 shares owned afterSep 08, 2026 · 262,137 shares owned afterSep 08, 2026 · 252,095 shares owned afterSep 08, 2026Sep 08, 2026
252,095Sep 08, 2026
Etergino Thomas JCommon Stock · Direct
367.9k345.5kSep 08, 2026 · 350,293 shares owned afterSep 08, 2026 · 367,892 shares owned afterSep 08, 2026 · 356,717 shares owned afterSep 08, 2026 · 345,545 shares owned afterSep 08, 2026Sep 08, 2026
345,545Sep 08, 2026
Goins Melanie FRestricted Stock Units · Direct
115.3k18.0kSep 08, 2026 · 60,250 shares owned afterSep 08, 2026 · 115,250 shares owned afterSep 08, 2026 · 17,980 shares owned afterSep 08, 2026Sep 08, 2026
17,980Sep 08, 2026
Etergino Thomas JRestricted Stock Units · Direct
121.3k67.0kSep 08, 2026 · 67,050 shares owned afterSep 08, 2026 · 111,719 shares owned afterSep 08, 2026 · 121,250 shares owned afterSep 08, 2026Sep 08, 2026
121,250Sep 08, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
0 active days
Aug 11Sep 11
LessMore

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale-
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

No filing-only signal badges matched this period.

DIBS transaction history

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TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date

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1stdibs.com, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at 1stdibs.com, Inc.?

Etergino Thomas J, Goins Melanie F, ROSENBLATT DAVID S.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

No code-S sale is available for this period.

What is the recent purchase and sale balance?

No code-P purchases or code-S sales were reported in the selected period.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.