MODINE MANUFACTURING CO - 01 Oct 2026 Form 4 Insider Report for Platinum SpinCo, Inc.

Reporting relationship: 10%+ Owner
Issuer ticker: N/A
Reported as of: 01 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Oct 2026, 10:01:19 UTC
Prior SEC filing: 12 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Erin J. Roth, Vice President, General Counsel and Chief Compliance Officer

Key filing fact

MODINE MANUFACTURING CO filed Form 4 for Platinum SpinCo, Inc. on 05 Oct 2026.

Key facts

This page summarizes MODINE MANUFACTURING CO's Form 4 filing for Platinum SpinCo, Inc..
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 05 Oct 2026, 10:01.

Change

Previous filing in this sequence was filed on 12 Aug 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0000067347 Primary reporting owner

MODINE MANUFACTURING CO

Relationship: 10%+ Owner
Address: 1500 DEKOVEN AVE., RACINE
Signature: /s/ Erin J. Roth, Vice President, General Counsel and Chief Compliance Officer
Signature date: 05 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

No ticker transaction

Common Stock, par value $0.001 per share

Other

Transaction value
Shares: -53,197,549
Change %: -100%
Price
Shares after: 0
Date: 01 Oct 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

MODINE MANUFACTURING CO is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

Reflects the adjusted number of shares held by the Reporting Person as a result of the Issuer's stock split that was effective September 29, 2026.

Footnote F2

The Reporting Person distributed all of the shares of common stock, par value $0.001, of the Issuer reported in Table I above to its public shareholders of record as of September 28, 2026, for no consideration on a pro rata basis pursuant to the Separation Agreement, dated as of January 29, 2026, by and among the Reporting Person, the Issuer and Gentherm Incorporated.