SEC ownership of Metallus Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001598428.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

16 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
16 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001598428
Issuer location
Canton, OH

Ownership snapshot

Top shareholders of Metallus Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
16 Jun 2026
13F 13D/G 3/4/5 Lead comparable stake: 13% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 13%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 13%
DIMENSIONAL FUND ADVISORS LP 6.8%
STATE STREET CORP 6.7%
ELLWOOD GROUP INVESTMENT CORP 10%
Michael S. Williams 1.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
13%
from 13D/G
$92,444,627
5,657,566 shares
31 Mar 2026
DIMENSIONAL FUND ADVISORS LP
13F 13D/G
Company
6.8%
from 13D/G
$41,646,242
2,548,720 shares
31 Mar 2026
STATE STREET CORP
13D/G 13F
STATE STREET CORPORATION · Company
6.7%
$45,740,137
2,799,274 shares
+$8,017,777 31 Mar 2026
ELLWOOD GROUP INVESTMENT CORP
3/4/5
10%+ Owner
10%
$57,247,947
4,285,026 shares
27 Feb 2025
Michael S. Williams
3/4/5
Chief Executive Officer, Director
1.8%
$15,468,760
734,858 shares
-$1,340,457 01 Mar 2026
Kristopher R. Westbrooks
3/4/5
President & COO
0.51%
$4,506,320
214,077 shares
-$328,592 01 Mar 2026
Ronald A. Rice
3/4/5
Director
0.36%
$2,480,706
151,818 shares
30 Apr 2026
Kevin A. Raketich
3/4/5
EVP, Chief Commercial Officer
0.32%
$2,840,339
134,933 shares
01 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$1,669,049.

Buys
$0
Insiders: 0
Sells
$1,669,049
Insiders: 2
Net
-$1,669,049
Shares: -82,771
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 82,771
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 15,841 $0 $337,096 -$337,096
6-9 0 66,930 $0 $1,331,953 -$1,331,953
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 21 reporting-owner rows connected to Metallus Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
21
Largest Forms 3/4/5 holder
ELLWOOD GROUP INVESTMENT CORP
Net 12M change
-$1,669,049
Latest report
30 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
ELLWOOD GROUP INVESTMENT CORP 10%+ Owner $57,247,947 Mixed 27 Feb 2025
Michael S. Williams Chief Executive Officer, Director $15,468,760 -$1,340,457 -8% Mixed 01 Mar 2026
Kristopher R. Westbrooks President & COO $4,506,320 -$328,592 -6.8% Mixed 01 Mar 2026
Kevin A. Raketich EVP, Chief Commercial Officer $2,840,339 Mixed 01 Mar 2026
Ronald A. Rice Director $2,480,706 Mixed 30 Apr 2026
Kristine C. Syrvalin EVP General Counsel $2,340,548 Mixed 01 Mar 2026
Diane C. Creel Director $2,251,221 Mixed 02 May 2023
Randall A. Wotring Director $2,095,359 Mixed 30 Apr 2026
Misheff Donald T. Director $2,025,457 Mixed 30 Apr 2026
Ken Garcia V Director $1,990,417 Mixed 30 Jun 2026
Randall H. Edwards Director $1,969,868 Mixed 30 Apr 2026
Thomas D. Moline EVP, Commercial Operations $1,680,693 Mixed 07 May 2021
William P. Bryan EVP, Mfg and Supply Chain $1,614,543 Mixed 07 May 2021
Leila L. Vespoli Director $1,494,255 Mixed 04 May 2022
Nicholas A. Yacobozzi Chief Accounting Officer $1,137,605 Mixed 01 Mar 2026
John M. Zaranec EVP, Chief Financial Officer $749,385 Mixed 16 Jun 2026
Ellis Allen Jones Director $701,884 Mixed 30 Apr 2026
Mary Ellen Baker Director $591,017 Mixed 30 Apr 2026
Nicholas J. Chirekos Director $591,017 Mixed 30 Apr 2026
Jamy P. Rankin Director $447,144 Mixed 30 Apr 2026

Recent insider transactions for Metallus Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Ken Garcia V MTUS Phantom Shares Award 5.59% 1,471 27,776 30 Jun 2026 Direct
John M. Zaranec MTUS Common Shares Tax liability -10.2% -5,198 45,862 16 Jun 2026 Direct
Nicholas J. Chirekos MTUS Common Shares Award 24.4% 7,090 36,170 30 Apr 2026 Direct
Ronald A. Rice MTUS Common Shares Award 4.9% 7,090 151,818 30 Apr 2026 Direct
Randall A. Wotring MTUS Common Shares Award 5.85% 7,090 128,235 30 Apr 2026 Direct
Randall H. Edwards MTUS Common Shares Award 6.25% 7,090 120,555 30 Apr 2026 Direct
Ken Garcia V MTUS Common Shares Award 7.98% 7,090 95,955 30 Apr 2026 Direct
Jamy P. Rankin MTUS Common Shares Award 35% 7,090 27,365 30 Apr 2026 Direct
Misheff Donald T. MTUS Common Shares Award 6.07% 7,090 123,957 30 Apr 2026 Direct
Mary Ellen Baker MTUS Common Shares Award 24.4% 7,090 36,170 30 Apr 2026 Direct
Melissa M. Miller MTUS Common Shares Award 47% 7,090 22,165 30 Apr 2026 Direct
Ellis Allen Jones MTUS Common Shares Award 19.8% 7,090 42,955 30 Apr 2026 Direct
Ken Garcia V MTUS Phantom Shares Award 6.84% 1,683 26,305 31 Mar 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Award 15.7% 29,100 214,077 02 Mar 2026 Direct
John M. Zaranec MTUS Common Shares Award 46% 16,100 51,060 02 Mar 2026 Direct
Kevin A. Raketich MTUS Common Shares Award 17.8% 20,100 133,160 02 Mar 2026 Direct
Kristine C. Syrvalin MTUS Common Shares Award 23.4% 20,100 106,078 02 Mar 2026 Direct
Nicholas A. Yacobozzi MTUS Common Stock Award 13.7% 6,500 54,043 02 Mar 2026 Direct
Michael S. Williams MTUS Common Shares Award 11.9% 78,100 734,858 02 Mar 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Tax liability -4.25% -8,207 184,977 01 Mar 2026 Direct
Kevin A. Raketich MTUS Common Shares Tax liability -4.33% -5,121 113,060 01 Mar 2026 Direct
Kristine C. Syrvalin MTUS Common Shares Tax liability -7.8% -7,270 85,978 01 Mar 2026 Direct
Nicholas A. Yacobozzi MTUS Common Stock Tax liability -5.64% -2,842 47,543 01 Mar 2026 Direct
Michael S. Williams MTUS Common Shares Tax liability -4.25% -29,124 656,758 01 Mar 2026 Direct
Kevin A. Raketich MTUS Common Shares Tax liability -1.9% -2,285 118,181 11 Feb 2026 Direct
Kevin A. Raketich MTUS Common Shares Award 6.27% 7,111 120,466 11 Feb 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Tax liability -1.76% -3,455 193,184 11 Feb 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Award 4% 7,563 196,639 11 Feb 2026 Direct
Nicholas A. Yacobozzi MTUS Common Stock Tax liability -2.96% -1,536 50,385 11 Feb 2026 Direct
Nicholas A. Yacobozzi MTUS Common Stock Award 6.2% 3,032 51,921 11 Feb 2026 Direct
Michael S. Williams MTUS Common Shares Tax liability -2.62% -18,436 685,882 11 Feb 2026 Direct
Michael S. Williams MTUS Common Shares Award 6.07% 40,278 704,318 11 Feb 2026 Direct
Kristine C. Syrvalin MTUS Common Shares Tax liability -3.48% -3,362 93,248 11 Feb 2026 Direct
Kristine C. Syrvalin MTUS Common Shares Award 7.45% 6,700 96,610 11 Feb 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Sale -1.11% $45,284 $21.28 -2,128 189,076 04 Feb 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Options Exercise 1.13% 2,128 191,204 04 Feb 2026 Direct
Kristopher R. Westbrooks MTUS Nonqualified Stock Option (Right to buy) Options Exercise -100% -2,128 0 04 Feb 2026 Direct
Michael S. Williams MTUS Common Shares Sale -2.02% $291,813 $21.28 -13,713 664,040 04 Feb 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Sale -1.54% $62,060 $21.03 -2,951 189,076 03 Feb 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Options Exercise 1.56% 2,951 192,027 03 Feb 2026 Direct
Kristopher R. Westbrooks MTUS Nonqualified Stock Option (Right to buy) Options Exercise -58.1% -2,951 2,128 03 Feb 2026 Direct
Michael S. Williams MTUS Common Shares Sale -2.73% $399,928 $21.03 -19,017 677,753 03 Feb 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Sale -0.05% $1,953 $21.00 -93 189,076 15 Jan 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Options Exercise 0.05% 93 189,169 15 Jan 2026 Direct
Kristopher R. Westbrooks MTUS Nonqualified Stock Option (Right to buy) Options Exercise -1.8% -93 5,079 15 Jan 2026 Direct
Michael S. Williams MTUS Common Shares Sale -0.09% $12,663 $21.00 -603 696,770 15 Jan 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Sale -5.47% $219,296 $20.06 -10,932 189,076 14 Jan 2026 Direct
Kristopher R. Westbrooks MTUS Common Shares Options Exercise 3.59% 6,932 200,008 14 Jan 2026 Direct
Kristopher R. Westbrooks MTUS Nonqualified Stock Option (Right to buy) Options Exercise -66.3% -6,932 3,520 14 Jan 2026 Direct
Michael S. Williams MTUS Common Shares Sale -0.69% $92,397 $19.11 -4,835 697,373 09 Jan 2026 Direct
* marks a reported price that did not pass the local price check.
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