Erin J. Roth - 01 Oct 2026 Form 4 Insider Report for Platinum SpinCo, Inc.

Reporting relationship: Secretary, Director
Issuer ticker: N/A
Reported as of: 01 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Oct 2026, 10:00:26 UTC
Prior SEC filing: 12 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Erin J. Roth

Key filing fact

Erin J. Roth filed Form 4 for Platinum SpinCo, Inc. on 05 Oct 2026.

Key facts

This page summarizes Erin J. Roth's Form 4 filing for Platinum SpinCo, Inc..
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 05 Oct 2026, 10:00.

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 0001485957 Primary reporting owner

Roth Erin Jennifer

Relationship: Secretary, Director
Address: 1500 DEKOVEN AVE., RACINE
Signature: /s/ Erin J. Roth
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: -5,266
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

Erin J. Roth 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

Represents 5,266 shares of the Issuer's common stock acquired by the Reporting Person in a pro rata distribution by Modine Manufacturing Company to holders of its common stock for no consideration, which occurred on October 1, 2026 in a transaction exempt under Rules 16a-9 and 16b-3 of the Securities Exchange Act of 1934, as amended (the "Distribution").

Footnote F2

On October 1, 2026, following the Distribution, each share of the Issuer's common stock, par value $0.001 per share, was disposed of by merger pursuant to the Agreement and Plan of Merger, dated as of January 29, 2026, by and among Gentherm Incorporated ("Gentherm"), Modine Manufacturing Company, Platinum Gold Merger Sub, Inc. and the Issuer, in exchange for 0.44619 shares of Gentherm common stock, no par value per share ("Gentherm Common Stock"). The closing price per share of Gentherm Common Stock on October 1, 2026 was $33.63.