21 insiders reported 165 Form 4 transactions for Owens Corning (OC) over the past 18 months (most recent 2026-08-12). Recent activity: Collins Jonathan Mark (EVP & Chief Financial Officer) Buy 19,504 shares, Del Monaco Nicolas (President, Roofing) Buy 6,501 shares, Marcon Rachel Barthelemy (President, Doors) Buy 6,501 shares, Canovas De La Nuez Jose Manuel (President, Insulation) Buy 3,250 shares, Collins Michelle T (Director) Buy 370 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-12 | Collins Jonathan Mark | EVP & Chief Financial Officer | Buy | 19,504 | $3.0M |
| 2026-08-12 | Del Monaco Nicolas | President, Roofing | Buy | 6,501 | $999,854 |
| 2026-08-12 | Marcon Rachel Barthelemy | President, Doors | Buy | 6,501 | $999,854 |
| 2026-08-12 | Canovas De La Nuez Jose Manuel | President, Insulation | Buy | 3,250 | $499,850 |
| 2026-08-10 | Collins Michelle T | Director | Buy | 370 | $58,127 |
| 2026-08-10 | FESTA ALFRED E | Director | Buy | 68 | $10,202 |
| 2026-08-10 | Williams John David | Director | Buy | 284 | $42,796 |
| 2026-08-10 | Nimocks Suzanne P | Director | Buy | 110 | $16,532 |
| 2026-08-10 | Lonergan Edward F | Director | Buy | 273 | $41,162 |
| 2026-08-10 | Martin Paul Edward | Director | Buy | 42 | $6,321 |
| 2026-08-10 | Elsner Adrienne | Director | Buy | 98 | $14,765 |
| 2026-08-10 | Mendez-Andino Jose | EVP, Chief Innovation Officer | Buy | 77 | $11,633 |
| 2026-08-10 | CORDEIRO EDUARDO E | Director | Buy | 67 | $10,105 |
| 2026-08-10 | CORDEIRO EDUARDO E | Director | Buy | 319 | $50,115 |
| 2026-08-10 | FESTA ALFRED E | Director | Buy | 315 | $49,486 |
| 2026-08-10 | Williams John David | Director | Buy | 296 | $46,502 |
| 2026-08-10 | Nimocks Suzanne P | Director | Buy | 321 | $50,429 |
| 2026-08-10 | Lonergan Edward F | Director | Buy | 581 | $91,275 |
| 2026-08-10 | Martin Paul Edward | Director | Buy | 296 | $46,502 |
| 2026-08-10 | Elsner Adrienne | Director | Buy | 312 | $49,015 |
| 2026-07-30 | Canovas De La Nuez Jose Manuel | President, Insulation | Sell | 1,070 | $153,149 |
| 2026-05-29 | Marcon Rachel Barthelemy | President, Doors | Sell | 700 | $84,497 |
| 2026-05-12 | Collins Michelle T | Director | Buy | 478 | $58,158 |
| 2026-05-12 | CORDEIRO EDUARDO E | Director | Buy | 407 | $49,520 |
| 2026-05-12 | FESTA ALFRED E | Director | Buy | 407 | $49,520 |
Source: SEC Form 4 filings · as of 2026-08-12