RPM International Inc
Ownership
Ownership Structure
Who owns RPM International Inc (RPM)? 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 87.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.06 | 12,835,588 | +1.5 | 03/31/2026 |
| Aristotle Capital Management LLC | 5.77 | 7,364,480 | -5.1 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.61 | 7,161,617 | +0.0 | 03/31/2026 |
| State Street Corp | 5.14 | 6,555,140 | -1.1 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.51 | 5,753,716 | +0.0 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 3.55 | 4,526,368 | -6.4 | 03/31/2026 |
| Allspring Global Investments Holdings, LLC | 3.26 | 4,152,859 | +7.8 | 06/30/2026 |
| Victory Capital Management Inc. | 3.00 | 3,823,468 | -1.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.50 | 4,469,942 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.18 | 4,062,988 | +0.3 | 07/31/2026 |
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 |
|---|---|---|---|---|---|
| Sullivan Frank C | Chairman and CEO | 1,065,995 | 105,746,704 $ | Aug 5, 2026 | direct |
| Kastner Janeen B. | VP Corp. Benefits/Risk Mgmt. | 135,127 | 13,404,598 $ | Jul 19, 2026 | direct |
| Gordon Russell L | VP and CFO | 80,282 | 7,963,945 $ | Jul 19, 2026 | direct |
| Dennsteadt David C. | President & COO | 31,154 | 3,090,477 $ | Jul 19, 2026 | direct |
| Crandall Tracy D. | VP, General Counsel and CCO | 26,468 | 2,625,626 $ | Jul 19, 2026 | direct |
| Ratajczak Matthew T | VP-Global Tax and Treasurer | 23,456 | 2,326,835 $ | Jul 19, 2026 | direct |
| Laroche Michael J. | VP, Controller & CAO | 15,376 | 1,525,299 $ | Jul 19, 2026 | direct |
| Polanco Andrew G. | VP - Operations | 12,901 | 1,279,779 $ | Jul 19, 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 |
|---|---|---|---|---|---|---|
| Aug 5, 2026 | Sullivan Frank C | Chairman and CEO | Other | 40,753 | 116.72 | 4,756,690 |
| Aug 5, 2026 | Sullivan Frank C | Chairman and CEO | Other | 106,529 | 116.72 | 12,434,065 |
| Aug 5, 2026 | Sullivan Frank C | Chairman and CEO | Other | 200,000 | 62.17 | 12,434,000 |
| Jul 19, 2026 | Ratajczak Matthew T | VP-Global Tax and Treasurer | Other | 670 | 105.08 | 70,404 |
| Jul 19, 2026 | Polanco Andrew G. | VP - Operations | Other | 511 | 105.08 | 53,696 |
| Jul 19, 2026 | Sullivan Frank C | Chairman and CEO | Other | 3,813 | 105.08 | 400,670 |
| Jul 19, 2026 | Crandall Tracy D. | VP, General Counsel and CCO | Other | 488 | 105.08 | 51,279 |
| Jul 19, 2026 | Dennsteadt David C. | President & COO | Other | 1,455 | 105.08 | 152,891 |
| Jul 19, 2026 | Gordon Russell L | VP and CFO | Other | 1,137 | 105.08 | 119,476 |
| Jul 19, 2026 | Kastner Janeen B. | VP Corp. Benefits/Risk Mgmt. | Other | 1,137 | 105.08 | 119,476 |
| Jul 19, 2026 | Laroche Michael J. | VP, Controller & CAO | Other | 524 | 105.08 | 55,062 |
| Jul 15, 2026 | Sullivan Frank C | Chairman and CEO | Other | 7,160 | 0.00 | – |
| Jul 15, 2026 | Gordon Russell L | VP and CFO | Other | 1,470 | 0.00 | – |
| Jul 15, 2026 | Gordon Russell L | VP and CFO | Other | 959 | 0.00 | – |
| Jul 15, 2026 | Ratajczak Matthew T | VP-Global Tax and Treasurer | Other | 1,500 | 0.00 | – |
| Jul 15, 2026 | Ratajczak Matthew T | VP-Global Tax and Treasurer | Other | 221 | 0.00 | – |
| Jul 15, 2026 | Laroche Michael J. | VP, Controller & CAO | Other | 1,200 | 0.00 | – |
| Jul 15, 2026 | Laroche Michael J. | VP, Controller & CAO | Other | 1,005 | 0.00 | – |
| Jul 15, 2026 | Crandall Tracy D. | VP, General Counsel and CCO | Other | 850 | 0.00 | – |
| Jul 15, 2026 | Crandall Tracy D. | VP, General Counsel and CCO | Other | 1,344 | 0.00 | – |
| Jul 15, 2026 | Dennsteadt David C. | President & COO | Other | 1,470 | 0.00 | – |
| Jul 15, 2026 | Dennsteadt David C. | President & COO | Other | 1,717 | 0.00 | – |
| Jul 15, 2026 | Kastner Janeen B. | VP Corp. Benefits/Risk Mgmt. | Other | 1,200 | 0.00 | – |
| Jul 15, 2026 | Kastner Janeen B. | VP Corp. Benefits/Risk Mgmt. | Other | 1,107 | 0.00 | – |
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: September 17, 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.