Transaction · 0001237860-26-000018

Rosenblatt David S

ROSENBLATT DAVID S, CEO, reported a transaction classified as exercise at 1stdibs.com, Inc. involving 41667.000000 shares. Reported holdings after the transaction were 2299303.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCEO
DIBS1stdibs.com, Inc.
Trade date
Sep 08, 2026
Filing date
Sep 10, 2026
View on SEC Insider profile
Disclosed valueUnknownShares × reported price
Shares traded41.6kPrice unknown
Holdings after2.29MDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

DIBS price since this filing

Daily closing prices, with the filing date and available return windows
DIBS · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago1d ago
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001237860-26-000018
Common Stock
Transaction date
Sep 08, 2026
Filed Sep 10, 2026, 10:14 PM · 2d delay
Shares
41,667 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
2,299,303 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

+2 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

  2. F2

    These shares were retained by Issuer via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment…

  3. F3

    The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with…

  4. F4

    The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with…

  5. F5

    The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2025, provided the Reporting Person continues to have a service relationship with…

  6. F6

    The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2026, provided the Reporting Person continues to have a service relationship with…

Original filing · 0001237860-26-000018
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