Insider Ledger

MTUS insider buying and SEC filings, explained

Metallus Inc. · CIK 1598428

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
NYSE
Industry (SIC)
Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
State of incorporation
OH
Fiscal year end
Dec 31
Former names
TimkenSteel Corp

Insider activity in the last 12 months

Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$2.3M

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Oct 5, 2026Planned (10b5-1)Michael S Williams (CEO and Director) sold 12,430 shares at about $20.29 ($252K), marked as a 10b5-1 plan trade. Holdings down 2% to 709,858 shares.SEC filing
Filed Oct 5, 2026, 8:00 PM ET
Oct 5, 2026Planned (10b5-1)Kristine C. Syrvalin (EVP General Counsel) sold 5,000 shares at about $21.12 ($106K), marked as a 10b5-1 plan trade. Holdings down 5% to 101,078 shares.SEC filing
Filed Oct 5, 2026, 8:00 PM ET
Oct 2, 2026Planned (10b5-1)Michael S Williams (CEO and Director) sold 12,570 shares at about $20.01 ($251K), marked as a 10b5-1 plan trade. Holdings down 2% to 722,288 shares.SEC filing
Filed Oct 2, 2026, 8:00 PM ET
Feb 3–4, 2026Planned (10b5-1)Michael S Williams (CEO and Director) sold 32,730 shares between Feb 3 and Feb 4 at about $21.13 ($692K), marked as a 10b5-1 plan trade. Holdings down 5% to 664,040 shares.SEC filing
Filed Feb 4, 2026
Feb 3–4, 2026Planned (10b5-1)Kristopher R. Westbrooks (President / COO) sold 5,079 shares between Feb 3 and Feb 4 at about $21.13 ($107K), marked as a 10b5-1 plan trade. Holdings down 3% to 189,076 shares.SEC filing
Filed Feb 4, 2026
Jan 15, 2026Planned (10b5-1)Michael S Williams (CEO and Director) sold 603 shares at about $21.00 ($13K), marked as a 10b5-1 plan trade. Holdings down <1% to 696,770 shares.SEC filing
Filed Jan 16, 2026
Jan 15, 2026Planned (10b5-1)Kristopher R. Westbrooks (President / COO) sold 93 shares at about $21.00 ($2K), marked as a 10b5-1 plan trade. Holdings down <1% to 189,076 shares.SEC filing
Filed Jan 16, 2026
Jan 14, 2026Planned (10b5-1)Kristopher R. Westbrooks (President / COO) sold 10,932 shares at about $20.06 ($219K), marked as a 10b5-1 plan trade. Holdings down 5% to 189,076 shares.SEC filing
Filed Jan 14, 2026
Jan 8–9, 2026Planned (10b5-1)Michael S Williams (CEO and Director) sold 19,297 shares between Jan 8 and Jan 9 at about $19.10 ($369K), marked as a 10b5-1 plan trade. Holdings down 3% to 697,373 shares.SEC filing
Filed Jan 9, 2026
Dec 17–18, 2025Planned (10b5-1)Michael S Williams (CEO and Director) sold 14,037 shares between Dec 17, 2025 and Dec 18, 2025 at about $19.05 ($267K), marked as a 10b5-1 plan trade. Holdings down 2% to 716,670 shares.SEC filing
Filed Dec 18, 2025

30 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

FiledItemsTagSource
Nov 2, 2026, 4:28 PM ET
8-K
Earnings released (Item 2.02)
Reg FD disclosure (Item 7.01)
SEC filing

Red flags are objective triggers only: the item or form filed, never an opinion.

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