List of insiders holdings for TREX CO INC:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | CAVANNA ANTHONY J Chairman and CEO | 2008-02-05 06:08:48 | 744,768 0 | 744,768 | Form 13G |
| 2 | MATHENY ROBERT G Director | 2008-03-06 08:28:13 | 536,803 0 | 536,803 | Form 13G |
| 3 | WITTENBERG ROGER A 10% Owner | 2004-08-25 09:11:56 | 535,586 0 | 535,586 | Form 13D |
| 4 | Zambanini Adam Dante EVP, Chief Operating Officer | 2026-03-03 17:56:53 | 236,442 0 | 236,442 | Form 4 |
| 5 | FAIRBANKS BRYAN HORIX President and CEO | 2026-03-03 18:26:38 | 172,722 0 | 172,722 | Form 4 |
| 6 | Gupp William R. Sr VP, CLO & Secretary | 2023-05-03 12:44:51 | 106,974 0 | 106,974 | Form 4 |
| 7 | Reese F Timothy Sr. Vice President, Operations | 2015-06-25 16:46:40 | 88,278 0 | 88,278 | Form 4 |
| 8 | Gandhi Prithvi SVP, Chief Financial Officer | 2026-02-25 20:52:53 | 76,454 0 | 76,454 | Form 4 |
| 9 | ROBINSON PATRICIA B Director | 2025-07-31 12:26:24 | 70,331 0 | 70,331 | Form 4 |
| 10 | Fernandez Amy M. SVP, CLO and Secretary | 2026-03-03 18:59:16 | 69,927 0 | 69,927 | Form 4 |
| 11 | FLETCHER PAUL D Senior VP and CFO | 2007-03-20 17:36:21 | 53,128 0 | 53,128 | Form 4 |
| 12 | Gerhard Christopher Paul Vice President, Sales | 2020-11-10 16:29:33 | 46,828 0 | 46,828 | Form 4 |
| 13 | Cline James E Director | 2025-07-31 10:04:06 | 42,976 0 | 42,976 | Form 4 |
| 14 | Volas Gerald Director | 2025-07-31 13:25:13 | 41,574 0 | 41,574 | Form 4 |
| 15 | Rudolph Jacob T. SVP, CHRO | 2026-03-03 18:42:52 | 38,694 0 | 38,694 | Form 4 |
| 16 | GRATZ JAY M Director | 2025-07-31 10:08:23 | 30,874 0 | 30,874 | Form 4 |
| 17 | Schemm Dennis Charles SVP, Chief Financial Officer | 2023-03-03 11:58:53 | 30,468 0 | 30,468 | Form 4/A |
| 18 | Posey Richard E Retired Director | 2022-07-28 16:38:48 | 28,682 0 | 28,682 | Form 4 |
| 19 | Lovcik Brenda SVP, Chief Financial Officer | 2025-03-04 14:24:54 | 28,188 0 | 28,188 | Form 4 |
| 20 | MONAHAN HAROLD F Exec VP, Materials&Engineering | 2008-03-12 11:40:50 | 26,470 0 | 26,470 | Form 4 |
| 21 | KAPLAN RONALD W Director | 2025-07-31 11:18:12 | 24,566 0 | 24,566 | Form 4 |
| 22 | MERLOTTI FRANK H JR Director | 2018-08-16 14:36:53 | 24,242 0 | 24,242 | Form 4 |
| 23 | PIFER PHILIP J Sr VP Sales & Marketing | 2005-03-10 17:10:27 | 17,261 0 | 17,261 | Form 4 |
| 24 | ROSE B ANDREW Director | 2026-04-03 13:08:57 | 14,883 0 | 14,883 | Form 4 |
| 25 | ANDREWS WILLIAM F Director | 2013-08-02 14:18:52 | 14,205 0 | 14,205 | Form 4 |
| 26 | JUSTER KRISTINE L Director | 2025-07-31 10:43:13 | 12,898 0 | 12,898 | Form 4 |
| 27 | Golden Michael F Former Director Director | 2023-07-27 14:41:47 | 12,876 0 | 12,876 | Form 4 |
| 28 | Cox James Mitchell Vice President, Sales | 2012-11-26 17:30:17 | 12,001 0 | 12,001 | Form 5 |
| 29 | Lovett Gena C Director | 2025-07-31 12:20:07 | 8,072 0 | 8,072 | Form 4 |
| 30 | BRUNNER PAUL A Director | 2014-07-31 10:25:42 | 6,429 0 | 6,429 | Form 4 |
| 31 | LAWLER A CATHERINE Sr VP, Marketing | 2004-02-23 14:38:25 | 5,619 0 | 5,619 | Form 4 |
| 32 | McDuffie Melkeya Director | 2025-10-02 18:52:00 | 3,653 0 | 3,653 | Form 4 |
| 33 | Keffer David Christian Director | 2026-04-03 13:15:24 | 3,424 0 | 3,424 | Form 4 |
| 34 | Tasi Irene Director | 2026-02-25 20:11:56 | 1,256 0 | 1,256 | Form 4 |
| 35 | FERRARI ANDREW U Director | 2010-07-02 12:03:20 | 461 0 | 461 | Form 4 |
| 36 | MARTIN WILLIAM H III Director | 2008-07-03 11:39:41 | 390 0 | 390 | Form 4 |
| 37 | SCRIPTER JAY T Former VP Operations | 2020-06-15 14:31:29 | 0 0 | 0 | Form 4 |