🕵️ TREX Co Inc ($TREX)
SEC insider & ownership activity, last 12 months · CIK 1069878 · every row links its SEC filing
Over the last 12 months insiders sold $169K against $985K of open-market buying. Rose B Andrew bought $504K in discretionary trades (Mar). Alliancebernstein L.p. trimmed 7.5% → 6.1%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
3 buyers, $985K (5 lots) · 2 sellers, $169K (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Rose B Andrew | 3 | $504K | 0 | – | Mar 3, 2026 |
| Gandhi Prithvi | 1 | $479K | 0 | – | Nov 14, 2025 |
| Amy M. Fernandez | 0 | – | 1 | $99K | Aug 6, 2025 |
| Jacob T. Rudolph | 1 | $3K | 1 | $70K | Jun 25, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 9.8% | 13G | Apr 24, 2025 | filing ↗ | |
| Wellington Management Group LLP | 8.0% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Group Holdings LLP | 8.0% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Investment Advisors Holdings LLP | 8.0% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Management Company LLP | 6.8% | 13G | May 15, 2026 | filing ↗ | |
| Alliancebernstein L.p. | 6.1% | 13G | Feb 17, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.4% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Jacob T. Rudolph | $70K | Jun 25, 2026 | filing ↗ |
| Amy M. Fernandez | $99K | Aug 6, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Jul 14, 2026 | filing ↗ |
| Other events (8.01) | Jul 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 13, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 4, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 4, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 1, 2026 | filing ↗ |
| New financial obligation (2.03) | Apr 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 1, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 3, 2026 | filing ↗ |
| Other events (8.01) | Mar 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 3, 2026 | filing ↗ |
| Earnings (2.02) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 24, 2026 | filing ↗ |
| Other events (8.01) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Earnings (2.02) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 3, 2025 | filing ↗ |
| Earnings (2.02) | Nov 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 4, 2025 | filing ↗ |