23 insiders reported 208 Form 4 transactions for Owens Corning (OC) over the past 18 months (most recent 2026-05-29). Recent activity: Marcon Rachel Barthelemy (President, Doors) Sell 700 shares, CORDEIRO EDUARDO E (Director) Buy 407 shares, FESTA ALFRED E (Director) Buy 407 shares, Williams John David (Director) Buy 382 shares, Lonergan Edward F (Director) Buy 750 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-29 | Marcon Rachel Barthelemy | President, Doors | Sell | 700 | $84,497 |
| 2026-05-12 | CORDEIRO EDUARDO E | Director | Buy | 407 | $49,520 |
| 2026-05-12 | FESTA ALFRED E | Director | Buy | 407 | $49,520 |
| 2026-05-12 | Williams John David | Director | Buy | 382 | $46,478 |
| 2026-05-12 | Lonergan Edward F | Director | Buy | 750 | $91,252 |
| 2026-05-12 | Martin Paul Edward | Director | Buy | 382 | $46,478 |
| 2026-05-12 | Elsner Adrienne | Director | Buy | 382 | $46,478 |
| 2026-05-12 | Doerfler Mari | Vice President and Controller | Sell | 1,926 | $232,884 |
| 2026-05-12 | Collins Michelle T | Director | Buy | 478 | $58,158 |
| 2026-05-12 | Nimocks Suzanne P | Director | Buy | 414 | $50,371 |
| 2026-04-13 | CORDEIRO EDUARDO E | Director | Buy | 85 | $9,717 |
| 2026-04-13 | FESTA ALFRED E | Director | Buy | 85 | $9,812 |
| 2026-04-13 | Williams John David | Director | Buy | 367 | $42,203 |
| 2026-04-13 | Nimocks Suzanne P | Director | Buy | 140 | $16,095 |
| 2026-04-13 | Lonergan Edward F | Director | Buy | 351 | $40,293 |
| 2026-04-13 | Martin Paul Edward | Director | Buy | 52 | $5,978 |
| 2026-04-13 | Elsner Adrienne | Director | Buy | 125 | $14,364 |
| 2026-04-13 | Mendez-Andino Jose | EVP, Chief Innovation Officer | Buy | 101 | $11,554 |
| 2026-04-13 | Mannen Maryann T. | Director | Buy | 163 | $18,738 |
| 2026-04-08 | Doerfler Mari | Vice President and Controller | Sell | 1,167 | $124,029 |
| 2026-03-03 | Williams John David | Director | Buy | 381 | $46,509 |
| 2026-03-03 | Nimocks Suzanne P | Director | Buy | 413 | $50,415 |
| 2026-03-03 | FESTA ALFRED E | Director | Buy | 406 | $49,560 |
| 2026-03-03 | Elsner Adrienne | Director | Buy | 381 | $46,509 |
| 2026-03-03 | Martin Paul Edward | Director | Buy | 381 | $46,509 |
Source: SEC Form 4 filings · as of 2026-05-29