Csiszar Ernst N 4

What Happened

• Ernst N. Csiszar, a director of MasTec, received a grant of 104 restricted shares on May 15, 2026 (reported as an award/acquisition at $0.00 per share, total $0).
• On the same date, 23 of those shares were withheld by the company to satisfy tax withholding obligations (reported disposed at $434.77 per share, totaling $10,000).

Key Details

• Transaction date: 2026-05-15; Filing date: 2026-05-19 (Form 4 accession 0000015615-26-000065).
• Award: 104 shares @ $0.00 (acquisition).
• Tax withholding: 23 shares @ $434.77 = $10,000 (disposition to issuer to pay taxes).
• Shares owned after transaction: not disclosed on this Form 4.
• Footnote: F1 — shares were withheld by the issuer to pay taxes due upon vesting of restricted stock.
• No 10b5-1 plan or late-filing flag is indicated in the provided data.

Context

• This is a standard vesting/compensation event: restricted stock was awarded and a portion was withheld to cover taxes (a routine, non‑market sale). Such withholding is administrative and does not necessarily signal the insider’s view of the company’s stock.