Zambanini Adam Dante 4

What Happened
Adam Dante Zambanini, Chief Operating Officer of Trex Co. (TREX), was granted 3,623 shares on 2026-03-01 (award valued at $150,065 at $41.42/share). On the same date 1,928 shares were disposed (other disposition) for $79,858, and 8,271 shares were surrendered to cover tax liability (payment of tax liability) valued at $342,585. The award is a grant (not a market purchase); the disposals were routine share-side actions (including tax withholding/surrender).

Key Details

• Transaction date(s): 2026-03-01; Form 4 filed 2026-03-03 (within the typical two-business-day reporting window).
• Awards: 3,623 shares @ $41.42 = $150,065 (grant/award).
• Dispositions: 1,928 shares @ $41.42 = $79,858 (listed as "other" disposition).
• Tax withholding: 8,271 shares @ $41.42 = $342,585 surrendered to cover taxes on previously granted restricted stock units (per footnote F3).
• Footnotes: F1/F2 indicate adjustments related to performance-based restricted units — some target RSUs did not vest due to performance outcomes; F3 confirms 8,271 shares surrendered to satisfy tax withholding.
• Shares owned after transaction: Not specified in the provided filing excerpt.

Context

• This was primarily an award/vesting event with shares surrendered to cover tax obligations and some other disposition; it is not an open-market purchase.
• Surrendering shares to pay taxes (cashless withholding) is a common, administrative action and does not necessarily signal the insider's view on the stock.
• The filing indicates performance-based units were adjusted based on results (i.e., fewer shares vested than the original target).