Comparable stake leader
BlackRock, Inc.
SEC ownership of GMS Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001600438.
Disclosed value leader
BlackRock, Inc.
Comparable rows
4/18
Latest evidence
04 Sep 2025
- Parsed ownership sources
-
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
-
4 of 18
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
04 Sep 2025
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001600438
- Issuer location
- Tucker, GA
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 GMS 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
4/18
Latest evidence
04 Sep 2025
13D/G
3/4/5
Lead comparable stake: 14%
14 rows are not safely comparable across share classes.
13D/G row: BlackRock, Inc.
Showing 1-8 of 18 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 14%.
4 of 18 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 4
BlackRock, Inc.
14%
VANGUARD GROUP INC
12%
Coliseum Capital Management, LLC
10%
FMR LLC
3.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 18 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
|
14%
|
$597,698,591
5,496,079 shares
|
$0 | 30 Jun 2025 |
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
12%
|
$337,212,001
4,605,463 shares
|
$0 | 31 Mar 2025 |
| Coliseum Capital Management, LLC |
3/4/5
13D/G
10%+ Owner
|
10%
from 13D/G
|
$383,691,966
3,486,524 shares
|
-$37,266,947 | 14 Jul 2025 |
| FMR LLC |
13D/G
|
3.6%
|
$152,362,551
1,390,296 shares
|
-$225,168,107 | 29 Aug 2025 |
| John C. Turner Jr. |
3/4/5
President and CEO, Director
|
—
mixed-class rows
|
$3,778,026
|
— | 04 Sep 2025 |
| Peter C. Browning |
3/4/5
Director
|
—
class O/S missing
|
$1,391,470
15,406 shares
|
— | 01 Aug 2024 |
| Scott M. Deakin |
3/4/5
SVP, Chief Financial Officer
|
— |
$402,285
|
— | 04 Sep 2025 |
| George T. Hendren |
3/4/5
SVP, Chief Operating Officer
|
— |
$304,740
|
-$541,150 | 04 Sep 2025 |
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: -$37,808,097.
Buys
$0
Insiders: 0
Sells
$37,808,097
Insiders: 2
Net
-$37,808,097
Shares: -343,627
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 343,627
| 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 | 343,627 | $0 | $37,808,097 | -$37,808,097 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-16 of 16 reporting-owner rows connected to GMS Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
16
Largest Forms 3/4/5 holder
Coliseum Capital Management, LLC
Net 12M change
-$37,808,097
Latest report
04 Sep 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Coliseum Capital Management, LLC | 10%+ Owner | $383,691,966 | -$37,266,947 | -8.9% | Filing P/S | 14 Jul 2025 |
| John C. Turner Jr. | President and CEO, Director | $3,778,026 | Mixed | 04 Sep 2025 | ||
| Peter C. Browning | Director | $1,391,470 | Mixed | 01 Aug 2024 | ||
| Scott M. Deakin | SVP, Chief Financial Officer | $402,285 | Mixed | 04 Sep 2025 | ||
| George T. Hendren | SVP, Chief Operating Officer | $304,740 | -$541,150 | -64% | Mixed | 04 Sep 2025 |
| Craig D. Apolinsky | SVP, General Counsel | $280,353 | Mixed | 04 Sep 2025 | ||
| Theron I. Gilliam Jr. | Director | $121,932 | Mixed | 04 Sep 2025 | ||
| J. David Smith | Director | $121,932 | Mixed | 04 Sep 2025 | ||
| Teri P. McClure | Director | $121,932 | Mixed | 04 Sep 2025 | ||
| John J. Gavin | Director | $121,932 | Mixed | 04 Sep 2025 | ||
| Randolph W. Melville | Director | $121,932 | Mixed | 04 Sep 2025 | ||
| Lisa M. Bachmann | Director | $121,932 | Mixed | 04 Sep 2025 | ||
| Mitchell B. Lewis | Director | $121,932 | Mixed | 04 Sep 2025 | ||
| Leigh R. Dobbs | Chief Human Resources Officer | $74,966 | Mixed | 04 Sep 2025 | ||
| William Forrest Bell | VP, Chief Accounting Officer | $73,159 | Mixed | 04 Sep 2025 | ||
| W. Bradley Southern | Director | $0 | Mixed | 04 Sep 2025 |
Recent insider transactions for GMS 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| John C. Turner Jr. | GMS | Common Stock | Disposed to Issuer | -100% | -80,116 | 0 | 04 Sep 2025 | Direct | ||
| John C. Turner Jr. | GMS | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -317,103 | 0 | 04 Sep 2025 | Direct | ||
| John C. Turner Jr. | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -57,126 | 0 | 04 Sep 2025 | Direct | ||
| George T. Hendren | GMS | Common Stock | Disposed to Issuer | -100% | -2,458 | 0 | 04 Sep 2025 | Direct | ||
| George T. Hendren | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -89.8% | -21,675 | 2,458 | 04 Sep 2025 | Direct | ||
| George T. Hendren | GMS | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -53,063 | 0 | 04 Sep 2025 | Direct | ||
| George T. Hendren | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -11,843 | 0 | 04 Sep 2025 | Direct | ||
| Leigh R. Dobbs | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -3,014 | 0 | 04 Sep 2025 | Direct | ||
| Leigh R. Dobbs | GMS | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -11,657 | 0 | 04 Sep 2025 | Direct | ||
| Leigh R. Dobbs | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -5,467 | 0 | 04 Sep 2025 | Direct | ||
| Scott M. Deakin | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -23,847 | 0 | 04 Sep 2025 | Direct | ||
| Scott M. Deakin | GMS | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -94,268 | 0 | 04 Sep 2025 | Direct | ||
| Scott M. Deakin | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -12,897 | 0 | 04 Sep 2025 | Direct | ||
| William Forrest Bell | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -751 | 0 | 04 Sep 2025 | Direct | ||
| William Forrest Bell | GMS | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -11,503 | 0 | 04 Sep 2025 | Direct | ||
| William Forrest Bell | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -2,745 | 0 | 04 Sep 2025 | Direct | ||
| Craig D. Apolinsky | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -15,966 | 0 | 04 Sep 2025 | Direct | ||
| Craig D. Apolinsky | GMS | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -85,800 | 0 | 04 Sep 2025 | Direct | ||
| Craig D. Apolinsky | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -9,544 | 0 | 04 Sep 2025 | Direct | ||
| William Bradley Southern | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -1,776 | 0 | 04 Sep 2025 | Direct | ||
| William Bradley Southern | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -1,141 | 0 | 04 Sep 2025 | Direct | ||
| J. David Smith | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -33,857 | 0 | 04 Sep 2025 | Direct | ||
| J. David Smith | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -1,141 | 0 | 04 Sep 2025 | Direct | ||
| Randolph W. Melville | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -9,205 | 0 | 04 Sep 2025 | Direct | ||
| Randolph W. Melville | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -1,141 | 0 | 04 Sep 2025 | Direct | ||
| Teri P. McClure | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -17,834 | 0 | 04 Sep 2025 | Direct | ||
| Teri P. McClure | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -1,141 | 0 | 04 Sep 2025 | Direct | ||
| Mitchell B. Lewis | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -16,756 | 0 | 04 Sep 2025 | Direct | ||
| Mitchell B. Lewis | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -1,141 | 0 | 04 Sep 2025 | Direct | ||
| Theron I. Gilliam | GMS | Common Stock | Disposed to Issuer | -100% | -4,794 | 0 | 04 Sep 2025 | Direct | ||
| Theron I. Gilliam | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -85.4% | -28,063 | 4,794 | 04 Sep 2025 | Direct | ||
| Theron I. Gilliam | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -1,141 | 0 | 04 Sep 2025 | Direct | ||
| John J. Gavin | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -27,470 | 0 | 04 Sep 2025 | Direct | ||
| John J. Gavin | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -1,141 | 0 | 04 Sep 2025 | Direct | ||
| Lisa M. Bachmann | GMS | Common Stock | Disposition pursuant to a tender of shares in a change of control transaction | -100% | -12,903 | 0 | 04 Sep 2025 | Direct | ||
| Lisa M. Bachmann | GMS | Restricted Stock Units | Disposed to Issuer | -100% | -1,141 | 0 | 04 Sep 2025 | Direct | ||
| George T. Hendren | GMS | Common Stock | Gift | -8.62% | -2,275 | 24,106 | 27 Aug 2025 | Direct | ||
| William Forrest Bell | GMS | Common Stock | Gift | -52.9% | -842 | 751 | 15 Aug 2025 | Direct | ||
| Teri P. McClure | GMS | Common Stock | Options Exercise | 8.19% | 1,350 | 17,834 | 01 Aug 2025 | Direct | ||
| Teri P. McClure | GMS | Restricted Stock Units | Award | 1,141 | 1,141 | 01 Aug 2025 | Direct | |||
| Teri P. McClure | GMS | Restricted Stock Units | Options Exercise | -100% | -1,350 | 0 | 01 Aug 2025 | Direct | ||
| William Bradley Southern | GMS | Common Stock | Options Exercise | 316.9% | 1,350 | 1,776 | 01 Aug 2025 | Direct | ||
| William Bradley Southern | GMS | Restricted Stock Units | Award | 1,141 | 1,141 | 01 Aug 2025 | Direct | |||
| William Bradley Southern | GMS | Restricted Stock Units | Options Exercise | -100% | -1,350 | 0 | 01 Aug 2025 | Direct | ||
| J. David Smith | GMS | Common Stock | Options Exercise | 4.15% | 1,350 | 33,857 | 01 Aug 2025 | Direct | ||
| J. David Smith | GMS | Restricted Stock Units | Award | 1,141 | 1,141 | 01 Aug 2025 | Direct | |||
| J. David Smith | GMS | Restricted Stock Units | Options Exercise | -100% | -1,350 | 0 | 01 Aug 2025 | Direct | ||
| Mitchell B. Lewis | GMS | Common Stock | Options Exercise | 8.76% | 1,350 | 16,756 | 01 Aug 2025 | Direct | ||
| Mitchell B. Lewis | GMS | Restricted Stock Units | Award | 1,141 | 1,141 | 01 Aug 2025 | Direct | |||
| Mitchell B. Lewis | GMS | Restricted Stock Units | Options Exercise | -100% | -1,350 | 0 | 01 Aug 2025 | Direct |
* marks a reported price that did not pass the local price check.