Transaction · 0001851495-26-000011

Waterman Michael

Waterman Michael, CSO, reported a transaction classified as withholding at ACV Auctions Inc. involving 4365.000000 shares for an estimated $45614.25. Reported holdings after the transaction were 801318.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCSO
ACVAACV Auctions Inc.
Filing timeOct 05
Trade dateOct 01, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated 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.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$6.70
Pre-filing
1mo ago +0.9%1w ago +0.0%1d ago +0.0%
Returns since
7d30d90d180d1y

ACVA price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ACVA since 2026-10-05Filed yesterday · 1 day of post-filing data
Loading…
Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001851495-26-000011
Common Stock
Transaction date
Oct 01, 2026
Filed Oct 05, 2026, 08:11 PM · 4d delay
Shares
4.36k sh
$10.45 per share
Estimated value
-$45.6k
Computed from shares × price
Holdings after
801k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
-16score
Filing-only score

-16

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Sales Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock unit previously granted, and does not represent a discretionary sale by the report…

  2. F2

    Includes 1,067 shares acquired pursuant to the Company's 2021 Employee Stock Purchase Plan (ESPP) for the purchase period 6/1/2026 to 9/17/2026.

Original filing · 0001851495-26-000011
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

ACVA