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SCHEDULE 13D/A Filed 2026-09-23 Event 2026-09-21 SEC 0001213900-26-102692 →

PAC Sponsor, LLC → Pinnacle Acquisition Corp PNAQ-UN

Stake: 20.71% Shares: 5,225,000 CUSIP: G7115W109 Class: Class A Ordinary Shares, $0.0001 par value

Item 4 — Purpose of Transaction

Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following: On September 21, 2026, 750,000 Class B Ordinary Shares were surrendered for no consideration by the Sponsor and cancelled by the Issuer, pursuant to contractual arrangements under the Founder Share Purchase Agreement with the Issuer, because the underwriters did not exercise their over-allotment option.

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
6 13D/G filings on this issuer
5 other filings besides this one
Filer Track Record
2 filings by this filer
1 other filing in the data moat
Short Interest
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Not in latest FINRA snapshot

Other 13D/G Filings on Pinnacle Acquisition Corp

FiledFormFilerStakeShares
2026-09-23 SCHEDULE 13D/A RECHTSCHAFFEN ANDREW — 6,225,000 view →
2026-09-23 SCHEDULE 13D/A Hudson Steven Kenneth 25.67% 6,475,000 view →
2026-08-17 SCHEDULE 13D Hudson Steven Kenneth 27.82% 7,225,000 view →
2026-08-17 SCHEDULE 13D PAC Sponsor, LLC 23.00% 5,975,000 view →
2026-08-17 SCHEDULE 13D RECHTSCHAFFEN ANDREW 26.85% 6,975,000 view →

Other Filings by PAC Sponsor, LLC

FiledFormIssuerStakeShares
2026-08-17 SCHEDULE 13D Pinnacle Acquisition Corp 23.00% 5,975,000 view →

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