Comparable stake leader
BlackRock, Inc.
SEC ownership of ARMSTRONG WORLD INDUSTRIES INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000007431.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
12 Jun 2026
- Public ticker
- AWI on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- 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
-
12 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000007431
- Issuer location
- Lancaster, PA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of ARMSTRONG WORLD INDUSTRIES 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
12 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 12%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 12%.
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.
12%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.2%
LONDON CO OF VIRGINIA
4.9%
Capital International Investors
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
|
12%
from 13D/G
|
$857,993,277
5,206,270 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$370,555,931
2,248,519 shares
|
$0 | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.2%
|
$369,498,904
2,242,105 shares
|
$0 | 31 Mar 2026 |
| LONDON CO OF VIRGINIA |
13F
13D/G
Company · The London Company
|
4.9%
from 13D/G
|
$284,013,212
1,723,367 shares
|
— | 31 Mar 2026 |
| Capital International Investors |
13D/G
13F
Company
|
1.8%
|
$128,892,058
782,112 shares
|
$0 | 31 Mar 2026 |
| Victor Grizzle |
3/4/5
Executive Chair, Director
|
1.2%
|
$84,439,566
505,822 shares
mixed-class rows
|
— | 28 Apr 2026 |
| Mark A. Hershey |
3/4/5
President & CEO
|
0.15%
|
$11,995,410
64,777 shares
mixed-class rows
|
— | 08 Apr 2026 |
| Roy W. Templin |
3/4/5
Director
|
0.05%
|
$3,413,996
20,716 shares
|
+$99,998 | 12 Jun 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 buying over the last 12 months. Net value: +$81,120.
Buys
$99,998
Insiders: 1
Sells
$18,878
Insiders: 1
Net
+$81,120
Shares: +475
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 575
Shares: 100
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 575 | 0 | $99,998 | $0 | +$99,998 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 100 | $0 | $18,878 | -$18,878 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 25 reporting-owner rows connected to ARMSTRONG WORLD INDUSTRIES INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
25
Largest Forms 3/4/5 holder
Victor Grizzle
Net 12M change
+$81,120
Latest report
12 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Victor Grizzle | Executive Chair, Director | $84,439,566 | Mixed | 28 Apr 2026 | ||
| Mark A. Hershey | President & CEO | $11,995,410 | Mixed | 08 Apr 2026 | ||
| Brian L. MacNeal | Cfo | $3,637,583 | Mixed | 19 Apr 2022 | ||
| Roy W. Templin | Director | $3,413,996 | +$99,998 | +3% | Mixed | 12 Jun 2026 |
| Stanley A. Askren | Director | $2,646,637 | Mixed | 25 Jun 2021 | ||
| Larry S. Mcwilliams | Director | $2,410,120 | Mixed | 28 Jul 2022 | ||
| Christopher P. Calzaretta | Svp & Cfo | $2,197,995 | Mixed | 08 Apr 2026 | ||
| Tao Huang | Director | $2,126,203 | Mixed | 25 Jun 2021 | ||
| James Clinton Melville | Director | $1,893,368 | Mixed | 16 Jun 2023 | ||
| Thomas Cherryl T. | Director | $1,828,996 | Mixed | 14 Jun 2024 | ||
| Austin So | SVP, GC, Gov't. Rel., & CSO | $1,810,477 | Mixed | 27 Feb 2026 | ||
| Wayne Shurts | Director | $1,607,698 | Mixed | 12 Jun 2026 | ||
| Barbara Loughran | Director | $1,605,811 | Mixed | 12 Jun 2026 | ||
| Jill A. Crager | SVP Sales & Digital Mktg | $1,299,988 | Mixed | 08 Apr 2026 | ||
| Charles M. Chiappone | SVP, Ceilings & Wall Solutions | $1,279,773 | Mixed | 14 Sep 2021 | ||
| Ellen R. Romano | SVP, Human Resources | $1,032,684 | Mixed | 31 Mar 2023 | ||
| Richard D. Holder | Director | $1,025,550 | Mixed | 12 Jun 2026 | ||
| William H. Osborne | Director | $793,841 | -$18,878 | -2.3% | Mixed | 12 Jun 2026 |
| Burge James T. | Vice President & Controller | $583,529 | Mixed | 08 Apr 2026 | ||
| Michael Carl Winters | SVP, Arch Spec & Bus Dev | $452,870 | Mixed | 08 Apr 2026 |
Recent insider transactions for ARMSTRONG WORLD INDUSTRIES 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Roy W. Templin | AWI | Common Stock | Award | 6.5% | 1,265 | 20,716 | 12 Jun 2026 | Direct | ||
| Wayne Shurts | AWI | Common Stock | Award | 9.87% | 876 | 9,755 | 12 Jun 2026 | Direct | ||
| Kathleen Pitre | AWI | Common Stock | Award | 105.9% | 876 | 1,703 | 12 Jun 2026 | Direct | ||
| William H. Osborne | AWI | Common Stock | Award | 22.2% | 876 | 4,817 | 12 Jun 2026 | Direct | ||
| Barbara Loughran | AWI | Common Stock | Award | 9.88% | 876 | 9,744 | 12 Jun 2026 | Direct | ||
| Kevin Holleran | AWI | Common Stock | Award | 201.4% | 876 | 1,311 | 12 Jun 2026 | Direct | ||
| Richard D. Holder | AWI | Common Stock | Award | 16.4% | 876 | 6,223 | 12 Jun 2026 | Direct | ||
| Victor Grizzle | AWI | Common Stock | Tax liability | -5.89% | -31,671 | 505,822 | 28 Apr 2026 | Direct | ||
| Victor Grizzle | AWI | Common Stock | Options Exercise | 15.7% | 72,823 | 537,493 | 28 Apr 2026 | Direct | ||
| Victor Grizzle | AWI | Restricted Stock Units | Options Exercise | -100% | -72,823 | 0 | 28 Apr 2026 | Direct | ||
| Michael Carl Winters | AWI | Common Stock | Tax liability | -37.2% | -1,629 | 2,748 | 08 Apr 2026 | Direct | ||
| Michael Carl Winters | AWI | Common Stock | Options Exercise | 589.3% | 3,742 | 4,377 | 08 Apr 2026 | Direct | ||
| Michael Carl Winters | AWI | Performance Based Restricted Stock Units | Options Exercise | -100% | -3,742 | 0 | 08 Apr 2026 | Direct | ||
| Mark A. Hershey | AWI | Common Stock | Tax liability | -8.27% | -5,839 | 64,777 | 08 Apr 2026 | Direct | ||
| Mark A. Hershey | AWI | Common Stock | Options Exercise | 23.5% | 13,423 | 70,616 | 08 Apr 2026 | Direct | ||
| Mark A. Hershey | AWI | Performance Based Restricted Stock Units | Options Exercise | -100% | -13,423 | 0 | 08 Apr 2026 | Direct | ||
| Victor Grizzle | AWI | Common Stock | Tax liability | -8.39% | -42,550 | 464,670 | 08 Apr 2026 | Direct | ||
| Victor Grizzle | AWI | Common Stock | Options Exercise | 23.9% | 97,835 | 507,220 | 08 Apr 2026 | Direct | ||
| Victor Grizzle | AWI | Performance Based Restricted Stock Units | Options Exercise | -100% | -97,835 | 0 | 08 Apr 2026 | Direct | ||
| Jill A. Crager | AWI | Common Stock | Tax liability | -21.2% | -1,789 | 6,650 | 08 Apr 2026 | Direct | ||
| Jill A. Crager | AWI | Common Stock | Options Exercise | 95% | 4,111 | 8,439 | 08 Apr 2026 | Direct | ||
| Jill A. Crager | AWI | Performance Based Restricted Stock Units | Options Exercise | -100% | -4,111 | 0 | 08 Apr 2026 | Direct | ||
| Christopher P. Calzaretta | AWI | Common Stock | Tax liability | -26.2% | -3,980 | 11,191 | 08 Apr 2026 | Direct | ||
| Christopher P. Calzaretta | AWI | Common Stock | Options Exercise | 151.9% | 9,149 | 15,171 | 08 Apr 2026 | Direct | ||
| Christopher P. Calzaretta | AWI | Performance Based Restricted Stock Units | Options Exercise | -100% | -9,149 | 0 | 08 Apr 2026 | Direct | ||
| Burge James T. | AWI | Common Stock | Tax liability | -21.5% | -877 | 3,196 | 08 Apr 2026 | Direct | ||
| Burge James T. | AWI | Common Stock | Options Exercise | 97.9% | 2,015 | 4,073 | 08 Apr 2026 | Direct | ||
| Burge James T. | AWI | Performance Based Restricted Stock Units | Options Exercise | -100% | -2,015 | 0 | 08 Apr 2026 | Direct | ||
| Jessica Marie Cicali | AWI | Restricted Stock Units | Award | 2,927 | 1,811 | 01 Apr 2026 | Direct | |||
| Victor Grizzle | AWI | Common Stock | Tax liability | -2.46% | -10,337 | 409,385 | 27 Feb 2026 | Direct | ||
| Victor Grizzle | AWI | Common Stock | Options Exercise | 6.53% | 25,744 | 419,722 | 27 Feb 2026 | Direct | ||
| Victor Grizzle | AWI | Restricted Stock Units | Options Exercise | -100% | -25,744 | 0 | 27 Feb 2026 | Direct | ||
| Mark A. Hershey | AWI | Common Stock | Tax liability | -2.25% | -1,316 | 57,193 | 27 Feb 2026 | Direct | ||
| Mark A. Hershey | AWI | Common Stock | Options Exercise | 6.42% | 3,532 | 58,509 | 27 Feb 2026 | Direct | ||
| Mark A. Hershey | AWI | Restricted Stock Units | Options Exercise | -100% | -3,532 | 0 | 27 Feb 2026 | Direct | ||
| Christopher P. Calzaretta | AWI | Common Stock | Tax liability | -15.2% | -1,077 | 6,022 | 27 Feb 2026 | Direct | ||
| Christopher P. Calzaretta | AWI | Common Stock | Options Exercise | 51.3% | 2,408 | 7,099 | 27 Feb 2026 | Direct | ||
| Christopher P. Calzaretta | AWI | Restricted Stock Units | Options Exercise | -100% | -2,408 | 0 | 27 Feb 2026 | Direct | ||
| Jill A. Crager | AWI | Common Stock | Tax liability | -10.4% | -505 | 4,328 | 27 Feb 2026 | Direct | ||
| Jill A. Crager | AWI | Common Stock | Options Exercise | 28.8% | 1,082 | 4,833 | 27 Feb 2026 | Direct | ||
| Jill A. Crager | AWI | Restricted Stock Units | Options Exercise | -100% | -1,082 | 0 | 27 Feb 2026 | Direct | ||
| Austin So | AWI | Common Stock | Tax liability | -11.5% | -1,161 | 8,968 | 27 Feb 2026 | Direct | ||
| Austin So | AWI | Common Stock | Options Exercise | 34.4% | 2,595 | 10,129 | 27 Feb 2026 | Direct | ||
| Austin So | AWI | Restricted Stock Units | Options Exercise | -100% | -2,595 | 0 | 27 Feb 2026 | Direct | ||
| Burge James T. | AWI | Common Stock | Tax liability | -9.5% | -216 | 2,058 | 27 Feb 2026 | Direct | ||
| Burge James T. | AWI | Common Stock | Options Exercise | 39.1% | 639 | 2,274 | 27 Feb 2026 | Direct | ||
| Burge James T. | AWI | Restricted Stock Units | Options Exercise | -100% | -639 | 0 | 27 Feb 2026 | Direct | ||
| Roy W. Templin | AWI | Common Stock | Purchase | 3.05% | $99,998 | $173.91 | 575 | 19,451 | 27 Feb 2026 | Direct |
| Victor Grizzle | AWI | Restricted Stock Units | Award | 6,272 | 6,272 | 25 Feb 2026 | Direct | |||
| Mark A. Hershey | AWI | Restricted Stock Units | Award | 7,666 | 7,666 | 25 Feb 2026 | Direct |
* marks a reported price that did not pass the local price check.