MAS JOSE RAMON 4

4 · MASTEC INC · Filed Mar 12, 2026

AI-generated summary of this filing

Updated Mar 12, 2026

MasTec CEO Jose Ramon Mas Sells 28,184 Shares

What Happened

Jose Ramon Mas, CEO and director of MasTec, had 28,184 shares withheld by the company to cover taxes due upon vesting of restricted stock. The withholding was recorded as a disposition valued at $8,393,477 (28,184 shares × $297.81) on March 10, 2026. This is a tax-withholding event (transaction code F), not an open-market sale.

Key Details

Transaction date and price: March 10, 2026 — 28,184 shares at $297.81 per share (total $8,393,477).
Transaction type: F — shares withheld by the issuer to pay taxes upon vesting of restricted stock (routine tax withholding).
Shares owned after transaction: Not specified in the filing.
Filing: Report filed March 12, 2026 for the March 10 transaction; appears to be timely (filed within the typical two-business-day window).
Notable footnotes:
- F1: Shares were withheld by the issuer to pay taxes due upon vesting.
- F2–F4: Some shares are held through affiliated entities and a family trust; the reporting person disclaims beneficial ownership of certain holdings except to the extent of any pecuniary interest.

Context

Tax-withholding dispositions on vested restricted stock are routine and do not necessarily indicate the insider is selling additional shares or expressing a market view. This was a cashless action by the company to satisfy tax obligations rather than a discretionary sale.

Form 4

Period: 2026-03-10

DirectorCEO

Transactions

Tax Payment
Common Stock
[F1]
2026-03-10$297.81/sh−28,184$8,393,477→ 3,228,064 total

Holdings

Footnotes (4)

[F1]Shares disposed of represent shares withheld by the Issuer to pay taxes due upon vesting of restricted stock.
[F2]Shares owned by Jose Ramon Mas Holdings I, LLC, a Florida limited liability company ("JRM Holdings I"). The sole member of JRM Holdings I is Jose Ramon Mas Holdings, LLC, a Florida limited liability company, of which Jose Mas is the sole member.
[F3]Shares held by Jose Ramon Mas Irrevocable Family Trust, of which the reporting person's spouse is one of the trustees. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purpose of Section 16 or for any other purpose.
[F4]Shares owned by Mas Equity Partners III, LLC, a Delaware limited liability company ("MEP III"), in which the reporting person is a member. The reporting person disclaims beneficial ownership of the securities held by MEP III except to the extent of his pecuniary interest therein.

Signature

\s\ Alberto de Cardenas For: Jose Mas|2026-03-12

1 file