CSW Industrials, Inc.
Ownership
Ownership Structure
Who owns CSW Industrials, Inc. (CSW)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.7% of the shares are freely tradable; institutional investors hold 105.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.14 | 2,466,624 | +3.2 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.45 | 888,596 | -1.0 | 06/30/2026 |
| Capital World Investors | 4.58 | 746,545 | +4.3 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.52 | 736,304 | +0.5 | 06/30/2026 |
| Wasatch Advisors LP | 4.25 | 693,036 | -20.7 | 06/30/2026 |
| State Street Corp | 4.14 | 674,775 | +5.3 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 3.52 | 573,678 | -3.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Funds SMALLCAP World A | 6.71 | 1,093,309 | +19.4 | 09/30/2026 |
| iShares Core S&P Small-Cap ETF | 5.95 | 970,427 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.20 | 520,738 | +0.3 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Armes Joseph B | Chairman, President & CEO | 64,083 | 18,391,821 $ | Oct 15, 2026 | direct |
| Perry James E | EVP, CFO | 27,950 | 8,021,650 $ | Oct 1, 2026 | direct |
| Gambrell Michael R | Director | 22,522 | 6,463,814 $ | Aug 27, 2026 | direct |
| Sullivan Don | EVP, Chief Strategy Officer | 16,469 | 4,726,603 $ | Oct 1, 2026 | direct |
| Livingstone Linda A. | Director | 12,692 | 3,642,604 $ | Aug 27, 2026 | direct |
| Alverson Luke | SVP, GC & Secretary | 12,682 | 3,639,734 $ | Oct 1, 2026 | direct |
| Johnston Terry L | Director | 10,396 | 2,983,652 $ | Aug 27, 2026 | direct |
| Underwood Jeff | EVP, GM Contractor Solutions | 7,385 | 2,119,495 $ | Oct 1, 2026 | direct |
| Garde Danielle | SVP, Chief People Officer | 6,106 | 1,752,422 $ | Oct 1, 2026 | direct |
| Griffin Bobby | Director | 3,352 | 962,024 $ | Aug 27, 2026 | direct |
| Wang Fang | VP, Chief Accounting Officer | 3,252 | 933,324 $ | Oct 1, 2026 | direct |
| Motsenbocker Anne | Director | 2,654 | 761,698 $ | Aug 27, 2026 | direct |
| Ash Darron K | Director | 903 | 259,241 $ | Aug 27, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | Armes Joseph B | Chairman, President & CEO | Sell | 1,500 | 287.04 | 430,558 |
| Oct 1, 2026 | Wang Fang | VP, Chief Accounting Officer | Other | 134 | 292.38 | 39,179 |
| Oct 1, 2026 | Wang Fang | VP, Chief Accounting Officer | Other | 268 | 0.00 | – |
| Oct 1, 2026 | Underwood Jeff | EVP, GM Contractor Solutions | Other | 428 | 292.38 | 125,139 |
| Oct 1, 2026 | Underwood Jeff | EVP, GM Contractor Solutions | Other | 1,404 | 0.00 | – |
| Oct 1, 2026 | Garde Danielle | SVP, Chief People Officer | Other | 399 | 292.38 | 116,660 |
| Oct 1, 2026 | Garde Danielle | SVP, Chief People Officer | Other | 815 | 0.00 | – |
| Oct 1, 2026 | Alverson Luke | SVP, GC & Secretary | Other | 408 | 292.38 | 119,291 |
| Oct 1, 2026 | Alverson Luke | SVP, GC & Secretary | Other | 815 | 0.00 | – |
| Oct 1, 2026 | Sullivan Don | EVP, Chief Strategy Officer | Other | 572 | 292.38 | 167,241 |
| Oct 1, 2026 | Armes Joseph B | Chairman, President & CEO | Other | 2,248 | 292.38 | 657,270 |
| Oct 1, 2026 | Armes Joseph B | Chairman, President & CEO | Other | 5,095 | 0.00 | – |
| Oct 1, 2026 | Perry James E | EVP, CFO | Other | 707 | 292.38 | 206,713 |
| Oct 1, 2026 | Perry James E | EVP, CFO | Other | 1,404 | 0.00 | – |
| Sep 15, 2026 | Armes Joseph B | Chairman, President & CEO | Sell | 1,500 | 289.58 | 434,376 |
| Aug 27, 2026 | Motsenbocker Anne | Director | Other | 409 | 0.00 | – |
| Aug 27, 2026 | Griffin Bobby | Director | Other | 409 | 0.00 | – |
| Aug 27, 2026 | Livingstone Linda A. | Director | Other | 409 | 0.00 | – |
| Aug 27, 2026 | Johnston Terry L | Director | Other | 409 | 0.00 | – |
| Aug 27, 2026 | Ash Darron K | Director | Other | 409 | 0.00 | – |
| Aug 27, 2026 | Gambrell Michael R | Director | Other | 409 | 0.00 | – |
| Aug 14, 2026 | Armes Joseph B | Chairman, President & CEO | Sell | 1,500 | 345.16 | 517,736 |
| Aug 10, 2026 | Underwood Jeff | EVP, GM Contractor Solutions | Sell | 720 | 346.96 | 249,811 |
| Aug 5, 2026 | Sullivan Don | EVP, Chief Strategy Officer | Sell | 4,526 | 343.75 | 1,555,813 |
| Aug 3, 2026 | Alverson Luke | SVP, GC & Secretary | Other | 175 | 0.00 | – |
| Aug 3, 2026 | Armes Joseph B | Chairman, President & CEO | Other | 1,864 | 0.00 | – |
| Aug 3, 2026 | Perry James E | EVP, CFO | Other | 500 | 0.00 | – |
| Jul 15, 2026 | Armes Joseph B | Chairman, President & CEO | Sell | 1,500 | 289.95 | 434,921 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.