SEC ownership of SilverBox Corp III

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001859686.

Comparable stake leader

Disclosed value leader

Comparable rows

0/0

Latest evidence

Issuer CIK
0001859686
Issuer location
Austin, TX

Ownership snapshot

Top shareholders of SilverBox Corp III (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 28 Jun 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 1-8 of 8 reporting-owner rows connected to SilverBox Corp III. Open a relationship link for the CIK-to-CIK filing trail.

Rows
8
Largest Forms 3/4/5 holder
Duncan D. Murdoch
Net 12M change
$0
Latest report
27 Feb 2023
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Duncan D. Murdoch Chief Investment Officer Mixed 27 Feb 2023
Richard A. Gadbois Director Mixed 27 Feb 2023
Jin Chun Chief Operating Officer Mixed 27 Feb 2023
SilverBox Engaged Sponsor III LLC 10%+ Owner Mixed 27 Feb 2023
Daniel E. Esters Chief Financial Officer, Director Mixed 27 Feb 2023
David H. Lee General Counsel Mixed 27 Feb 2023
Katie O'Reilly Director Mixed 27 Feb 2023
Juan Creixell Director Mixed 27 Feb 2023

Recent insider transactions for SilverBox Corp III

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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