Mary Ellen Baker - 30 Apr 2026 Form 4 Insider Report for Metallus Inc. (MTUS)

Reporting relationship: Director
Issuer ticker: MTUS
Reported as of: 30 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 30 Apr 2026, 19:00:15 UTC
Prior SEC filing: 23 May 2025
Next SEC filing: 26 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Kristine C. Syrvalin, as Attorney-in-Fact

Key filing fact

Mary Ellen Baker filed Form 4 for Metallus Inc. (MTUS) on 30 Apr 2026.

Key facts

This page summarizes Mary Ellen Baker's Form 4 filing for Metallus Inc. (MTUS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 30 Apr 2026, 19:00.

Change

Previous filing in this sequence was filed on 23 May 2025.
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 0001681536 Primary reporting owner

Baker Mary Ellen

Relationship: Director
Address: 1835 DUEBER AVE. SW, CANTON
Signature: /s/ Kristine C. Syrvalin, as Attorney-in-Fact
Signature date: 30 Apr 2026

Reported non-derivative transactions

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

MTUS transaction

Common Shares

Award

Transaction value
Shares: +7,090
Change %: +24%
Price: $0.000000^*
Shares after: 36,170
Date: 30 Apr 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The reported transaction is an award of restricted stock units which will vest in full on April 30, 2027, subject to the terms of the grant agreement.