MasTec (MTZ) Director Ernst N. Csiszar Receives Award — 152 Shares

What Happened
Ernst N. Csiszar, a director of MasTec, received a grant of 152 restricted shares on 2026-08-14 (reported on a Form 4 filed 2026-08-18). Simultaneously, 34 of those shares were withheld by the issuer to satisfy tax withholding obligations at an indicated per-share value of $297.59, totaling approximately $10,118. The award is recorded as an acquisition (A) and the withholding as a tax-related disposition (F).

Key Details

• Transaction date: 2026-08-14; Form 4 filed: 2026-08-18 (filed within the typical two-business-day window).
• Award: 152 shares granted at $0.00 acquisition price (restricted stock award).
• Withholding: 34 shares withheld at $297.59/share, aggregate value ~$10,118, to cover taxes (code F).
• Shares owned after the transaction: not specified in this filing.
• Footnote: F1 — shares disposed of represent shares withheld by the issuer to pay taxes due upon vesting of restricted stock.

Context
This was a restricted stock award (A) with issuer withholding for taxes (F), a routine administrative step that is not a market sale or purchase signal. Withholding to cover tax liabilities is common on vesting and should not be interpreted as the director selling shares for investment reasons.