secwatch / observer
8-K filed June 8, 2026, 3:37 PM ET ticker KEYY CIK 0002102771
other material confidence high sentiment neutral materiality 0.60

Keystone Acquisition Corp. closes $287.5M SPAC IPO, appoints John Boehner to board

Keystone Acquisition Corp.

item 1.01item 3.02item 5.02item 5.03item 8.01item 9.01

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Appointed

John A. Boehner

Director
KEYY · Keystone Acquisition Corp.
Effective
2026-06-02
Filed
June 8, 2026, 3:37 PM ET
On June 2, 2026, in connection with the IPO, Speaker John A. Boehner, Paul Y. Cho and Martin Payne were appointed to the board of directors of the Company (the “ Board ”).
Appointed

Martin Payne

Director
KEYY · Keystone Acquisition Corp.
Effective
2026-06-02
Filed
June 8, 2026, 3:37 PM ET
On June 2, 2026, in connection with the IPO, Speaker John A. Boehner, Paul Y. Cho and Martin Payne were appointed to the board of directors of the Company (the “ Board ”).
Appointed

Paul Y. Cho

Director
KEYY · Keystone Acquisition Corp.
Effective
2026-06-02
Filed
June 8, 2026, 3:37 PM ET
On June 2, 2026, in connection with the IPO, Speaker John A. Boehner, Paul Y. Cho and Martin Payne were appointed to the board of directors of the Company (the “ Board ”).

Key facts

Extracted from this filing and checked against the source text.

Equity Issuances SEC 8-K Item 3.02/3.03 confidence 0.9

Keystone Acquisition Corp. issued an aggregate of 8,468,750 warrants of warrant to the Sponsor and the Representatives for $1.00 per Private Placement Warrant.

Security
warrant
Shares
an aggregate of 8,468,750 warrants
Purchaser
the Sponsor and the Representatives
Consideration
$1.00 per Private Placement Warrant
Exact text from the filing
On June 4, 2026, simultaneously with the closing of the IPO, pursuant to the Private Placement Warrants Purchase Agreements, the Company completed the private sale of an aggregate of 8,468,750 warrants (the “ Private Placement Warrants ”) to the Sponsor and the Representatives at a purchase price of $1.00 per Private Placement Warrant, generating gross proceeds to the Company of $8,468,750.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

John A. Boehner was appointed as Director at Keystone Acquisition Corp..

Action
appointed
Role
Director
Exact text from the filing
On June 2, 2026, in connection with the IPO, Speaker John A. Boehner, Paul Y. Cho and Martin Payne were appointed to the board of directors of the Company (the “ Board ”).
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Martin Payne was appointed as Director at Keystone Acquisition Corp..

Action
appointed
Role
Director
Exact text from the filing
On June 2, 2026, in connection with the IPO, Speaker John A. Boehner, Paul Y. Cho and Martin Payne were appointed to the board of directors of the Company (the “ Board ”).
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Paul Y. Cho was appointed as Director at Keystone Acquisition Corp..

Action
appointed
Role
Director
Exact text from the filing
On June 2, 2026, in connection with the IPO, Speaker John A. Boehner, Paul Y. Cho and Martin Payne were appointed to the board of directors of the Company (the “ Board ”).
View on SEC.gov
Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

Keystone Acquisition Corp.: Adopted Amended and Restated Memorandum and Articles of Association in connection with IPO (effective 2026-06-02).

Change
charter amendment
Effective
2026-06-02
Exact text from the filing
On June 2, 2026, in connection with the IPO, the Company adopted its Amended and Restated Memorandum and Articles of Association (the “ Amended Articles ”), effective the same day.
View on SEC.gov

114 equity issuances filed in the last 30 days. Browse all equity issuances →

Keystone Acquisition Corp. filing history →

Source: SEC EDGAR
accession 0001213900-26-066255
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