Form 4: MasTec director nets shares after RSU vesting

On Nov. 14, 2025, MasTec director Ernst N. Csiszar received 235 shares from restricted stock vesting and had 52 shares withheld for taxes, ending with 23,604 directly owned shares.

Summary

• Director Ernst N. Csiszar reported two transactions on 11/14/2025 involving MasTec, Inc. (MTZ) common stock.
• Acquired 235 shares at $0, consistent with restricted stock vesting.
• 52 shares were disposed at $192.22 per share to satisfy tax withholding (Code F).
• Final direct beneficial ownership after the transactions is 23,604 shares.
• Ownership form is Direct (D); no indirect holdings reported.
• Form signed by attorney-in-fact Alberto de Cardenas on 11/18/2025.

Sentiment

Score: 5

Explanation: Neutral; routine restricted stock vesting with standard tax withholding and a modest increase in direct ownership, with no implications for operating performance.

Positives

• Increase in insider ownership via vesting: +235 shares granted.
• No open-market selling; 52 shares were withheld solely for taxes (Code F), a routine administrative transaction.
• Final direct ownership stands at 23,604 shares, indicating continued alignment of director interests with shareholders.

Negatives

• Small share disposal (52 shares at $192.22) occurred, though it was solely for tax withholding and not an open-market sale.
• No operational, financial, or strategic updates included.

Future Outlook

NA

Management Comments

• Shares disposed of represent shares withheld by the issuer to pay taxes due upon vesting of restricted stock.

Industry Context

Routine insider equity vesting and tax withholding transactions are common across engineering and construction peers and generally do not indicate changes in business fundamentals.

Comparison to Industry Standards

• The vesting (Code A) and tax withholding (Code F) pattern aligns with standard equity compensation practices at engineering and infrastructure peers such as Quanta Services (PWR), Jacobs Solutions (J), and EMCOR Group (EME).
• Absence of open-market selling is consistent with routine administrative transactions seen in comparable Form 4 filings across the sector.

Stakeholder Impact

• Shareholders: Neutral; routine vesting with minor tax withholding and no open-market selling.
• Employees: Reinforces standard equity compensation practices.
• Creditors: No impact; non-cash equity transaction.
• Regulators: Timely Section 16 reporting of insider ownership changes.

Key Dates

Keywords

MasTec, MTZ, Form 4, insider transaction, restricted stock vesting, tax withholding, director ownership, beneficial ownership, equity compensation