SEC ownership of M3-Brigade Acquisition III Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001856589.

Comparable stake leader

Disclosed value leader

Comparable rows

0/0

Latest evidence

Issuer CIK
0001856589
Issuer location
New York, NY

Ownership snapshot

Top shareholders of M3-Brigade Acquisition III Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Disclosed value leader
Comparable rows
0/0
Latest evidence
No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 05 Sep 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-14 of 14 reporting-owner rows connected to M3-Brigade Acquisition III Corp.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
14
Largest Forms 3/4/5 holder
Frederick Arnold
Net 12M change
$0
Latest report
20 Sep 2023
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Frederick Arnold Director Mixed 21 Oct 2021
Christopher Chaice Executive Vice President Mixed 21 Oct 2021
Christopher Alexander Good Chief Financial Officer Mixed 21 Oct 2021
M3-Brigade Sponsor III LP 10%+ Owner Mixed 20 Sep 2023
Scott Charles Malpass Director Mixed 21 Oct 2021
Mohsin Y. Meghji Executive Chairman of BOD, Director, 10%+ Owner Mixed 20 Sep 2023
Alan Jeffrey Carr Director Mixed 01 Nov 2022
William C. Gallagher Executive Vice President Mixed 21 Oct 2021
Benjamin F. Rattner Director Mixed 21 Oct 2021
Matthew Perkal Chief Executive Officer Mixed 21 Oct 2021
Steven Vincent Director Mixed 21 Oct 2021
Kallie Nicole Steffes Executive Vice President Mixed 21 Oct 2021
William L. Transier Director Mixed 01 Nov 2022
Charles Hugh Farkas Garner EVP & Secretary Mixed 21 Oct 2021

Recent insider transactions for M3-Brigade Acquisition III Corp.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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