SEC ownership of STEELCASE INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001050825.

Comparable stake leader

HNI CORP

Disclosed value leader

VANGUARD GROUP INC

Comparable rows

5/11

Latest evidence

10 Dec 2025

Top shareholders Insider holders Latest transactions
Parsed ownership sources
13D/G and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
HNI CORP
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
5 of 11
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
HNI CORP
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
10 Dec 2025
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001050825
Issuer location
Grand Rapids, MI

Ownership snapshot

Top shareholders of STEELCASE 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
HNI CORP
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
5/11
Latest evidence
10 Dec 2025
13D/G 3/4/5 Lead comparable stake: 100% 6 rows are not safely comparable across share classes. 13D/G row: HNI CORP Showing 1-8 of 11 holder rows.

Quick read

HNI CORP leads the comparable SEC ownership view at 100%.

5 of 11 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 HNI CORP's linked filing trail.
Comparable ownership Top 5
HNI CORP 100%
VANGUARD GROUP INC 8.6%
BlackRock, Inc. 6%
DIMENSIONAL FUND ADVISORS LP 4.9%
PZENA INVESTMENT MANAGEMENT LLC 0.3%

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

Detailed SEC evidence table Showing 1-8 of 11 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
HNI CORP
13D/G
HNI Corporation
13D/G
100%
$1,562
100 shares
 -$96,551,297 10 Dec 2025
VANGUARD GROUP INC
13D/G
The Vanguard Group
13D/G
8.6%
$169,787,014
9,871,338 shares
 $0 30 Sep 2025
BlackRock, Inc.
13D/G
13D/G
6%
$117,963,362
6,858,335 shares
 -$7,890,586 30 Sep 2025
DIMENSIONAL FUND ADVISORS LP
13D/G
13D/G
4.9%
$96,659,849
5,619,726 shares
 $0 30 Sep 2025
PZENA INVESTMENT MANAGEMENT LLC
13D/G
13D/G
0.3%
$6,734,815
391,559 shares
 -$83,383,708 30 Sep 2025
Jennifer C. Niemann
3/4/5
Director
3/4/5
—
$20,550,776
 — 10 Dec 2025
Robert C. Pew III
3/4/5
Director
3/4/5
—
$20,479,603
 — 10 Dec 2025
Lizbeth S. O'Shaughnessy
3/4/5
SVP, CAO, GC and Secretary
3/4/5
—
class O/S missing
$4,281,900
339,475 shares
 — 11 Apr 2024
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

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 15 Aug 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

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

Rows
20
Largest Forms 3/4/5 holder
Jennifer C. Niemann
Net 12M change
$0
Latest report
10 Dec 2025
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Jennifer C. Niemann Director $20,550,776 Mixed 10 Dec 2025
Robert C. Pew III Director $20,479,603 Mixed 10 Dec 2025
Lizbeth S. O'Shaughnessy SVP, CAO, GC and Secretary $4,281,900 Mixed 11 Apr 2024
WOLTERS KATE P Director $2,792,267 Mixed 10 Jun 2024
Peter M. Wege II Director $2,298,843 Mixed 10 Jun 2024
Guillaume M. Alvarez Senior VP, EMEA $904,946 Mixed 12 Jul 2021
Linda K. Williams Director $0 Mixed 10 Dec 2025
Todd P. Kelsey Director $0 Mixed 10 Dec 2025
David C. Sylvester SVP, Chief Financial Officer $0 Mixed 10 Dec 2025
Sara E. Armbruster President and CEO, Director $0 Mixed 10 Dec 2025
Allan W. Smith Jr. SVP, Pres, Americas and CPO $0 Mixed 10 Dec 2025
Sanjay Gupta Director $0 Mixed 10 Dec 2025
Nicole Cherie McGrath VP, Corp Controller and CAO $0 Mixed 10 Dec 2025
Robert G. Krestakos VP, Chief Operations Officer $0 Mixed 10 Dec 2025
Cathy D. Ross Director $0 Mixed 10 Dec 2025
Steven Douglas Miller VP, Chief Technology Officer $0 Mixed 10 Dec 2025
Connie K. Duckworth Director $0 Mixed 10 Dec 2025
Donna K. Flynn VP, Chief People Officer $0 Mixed 10 Dec 2025
Timothy C. E. Brown Director $0 Mixed 10 Dec 2025
Megan A. Blazina Vp, Clo & Secretary $0 Mixed 10 Dec 2025

Recent insider transactions for STEELCASE 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
Megan A. Blazina SCS Class A Common Stock Award 43,950 43,950 10 Dec 2025 Direct
Megan A. Blazina SCS Class A Common Stock Disposed to Issuer -100% -78,450 0 10 Dec 2025 Direct
Linda K. Williams SCS Class A Common Stock Disposed to Issuer -100% -60,907 0 10 Dec 2025 Direct
David C. Sylvester SCS Class A Common Stock Award 360,450 360,450 10 Dec 2025 Direct
David C. Sylvester SCS Class A Common Stock Disposed to Issuer -100% -995,373 0 10 Dec 2025 Direct
Donna K. Flynn SCS Class A Common Stock Award 148,200 148,200 10 Dec 2025 Direct
Donna K. Flynn SCS Class A Common Stock Disposed to Issuer -100% -254,459 0 10 Dec 2025 Direct
Sanjay Gupta SCS Class A Common Stock Disposed to Issuer -100% -42,341 0 10 Dec 2025 Direct
Allan W. Smith Jr. SCS Class A Common Stock Award 343,350 343,350 10 Dec 2025 Direct
Allan W. Smith Jr. SCS Class A Common Stock Disposed to Issuer -100% -598,960 0 10 Dec 2025 Direct
Robert G. Krestakos SCS Class A Common Stock Award 127,200 127,200 10 Dec 2025 Direct
Robert G. Krestakos SCS Class A Common Stock Disposed to Issuer -100% -255,112 0 10 Dec 2025 Direct
Sara E. Armbruster SCS Class A Common Stock Award 1,148,850 1,148,850 10 Dec 2025 Direct
Sara E. Armbruster SCS Class A Common Stock Disposed to Issuer -100% -1,904,678 0 10 Dec 2025 Direct
Todd P. Kelsey SCS Class A Common Stock Disposed to Issuer -100% -50,851 0 10 Dec 2025 Direct
Cathy D. Ross SCS Class A Common Stock Disposed to Issuer -100% -3,611 0 10 Dec 2025 Direct
Jennifer C. Niemann SCS Class A Common Stock Disposed to Issuer -100% -10,000 0 10 Dec 2025 By PILACON Limited Partnership
Jennifer C. Niemann SCS Class A Common Stock Disposed to Issuer -100% -1,459,753 0 10 Dec 2025 By CRASTECOM B Limited Partnership
Jennifer C. Niemann SCS Class A Common Stock Disposed to Issuer -100% -51,957 0 10 Dec 2025 By trust
Jennifer C. Niemann SCS Class A Common Stock Disposed to Issuer -100% -186,208 0 10 Dec 2025 By trusts
Jennifer C. Niemann SCS Class A Common Stock Disposed to Issuer -100% -3,491 0 10 Dec 2025 By spouse
Jennifer C. Niemann SCS Class A Common Stock Disposed to Issuer -100% -500,550 0 10 Dec 2025 Direct
Connie K. Duckworth SCS Class A Common Stock Disposed to Issuer -100% -133,575 0 10 Dec 2025 Direct
Timothy C. E. Brown SCS Class A Common Stock Disposed to Issuer -100% -265 0 10 Dec 2025 Direct
Steven Douglas Miller SCS Class A Common Stock Award 148,500 148,500 10 Dec 2025 Direct
Steven Douglas Miller SCS Class A Common Stock Disposed to Issuer -100% -257,991 0 10 Dec 2025 Direct
Robert C. Pew III SCS Class A Common Stock Disposed to Issuer -100% -2,216,114 0 10 Dec 2025 By trust
Robert C. Pew III SCS Class A Common Stock Disposed to Issuer -100% -500 0 10 Dec 2025 By wife
Robert C. Pew III SCS Class A Common Stock Disposed to Issuer -100% -1,868,267 0 10 Dec 2025 Direct
Nicole Cherie McGrath SCS Class A Common Stock Disposed to Issuer -100% -23,438 0 10 Dec 2025 Direct
Jennifer C. Niemann SCS Class A Common Stock Gift -39.8% -2,312 3,491 04 Nov 2025 By spouse
Jennifer C. Niemann SCS Class A Common Stock Gift 4.53% 4,624 106,696 04 Nov 2025 By trusts
Jennifer C. Niemann SCS Class A Common Stock Gift -0.46% -2,312 500,550 04 Nov 2025 Direct
Linda K. Williams SCS Class A Common Stock Award 3.51% 2,063 60,907 10 Sep 2025 Direct
Robert C. Pew III SCS Class A Common Stock Award 0.17% 3,095 1,868,267 10 Sep 2025 Direct
Jennifer C. Niemann SCS Class A Common Stock Award 0.44% 2,197 502,862 10 Sep 2025 Direct
Todd P. Kelsey SCS Class A Common Stock Award 4.71% 2,287 50,851 10 Sep 2025 Direct
Sanjay Gupta SCS Class A Common Stock Award 5.12% 2,063 42,341 10 Sep 2025 Direct
Connie K. Duckworth SCS Class A Common Stock Award 1.57% 2,063 133,575 10 Sep 2025 Direct
* marks a reported price that did not pass the local price check.
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