Transaction · 0001193125-26-006144

KNOWLES MICHAEL

KNOWLES MICHAEL, CEO, reported a transaction classified as withholding at ONE STOP SYSTEMS, INC. involving 19075.000000 shares for an estimated $136958.50. Reported holdings after the transaction were 566144.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCEO
OSSONE STOP SYSTEMS, INC.
Filing timeJan 07
Trade dateDec 31, 2025
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
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OSS price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
OSS since 2026-01-07Filed 240 days ago · 30 days of pre-filing context shaded
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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
0001193125-26-006144
Common Stock
Transaction date
Dec 31, 2025
Filed Jan 07, 2026, 08:15 PM · 7d delay
Shares
19.0k sh
$718 per share
Estimated value
-$13.6M
Computed from shares × price
Holdings after
566k sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
delayed filingThe filing was reported 7 calendar days after the transaction date.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Delayed Filing Direct Ownership
-22score
Filing-only score

-22

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

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

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

    The Reporting Person forfeited 19,075 shares of common stock upon conversion of an aggregate 50,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings,…

  2. F2

    Includes 368,173 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Original filing · 0001193125-26-006144
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