Welcome to our dedicated page for MasTec SEC filings (Ticker: MTZ), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
MasTec, Inc. filings document the formal disclosures of a Florida infrastructure engineering and construction company with common stock listed on the New York Stock Exchange under MTZ. Its current reports include results of operations and Regulation FD disclosures furnished with earnings releases, financial guidance, backlog commentary and segment performance information for Communications, Power Delivery, Pipeline Infrastructure, and Clean Energy and Infrastructure.
MasTec regulatory filings also cover governance and capital-structure matters. Proxy materials describe annual meeting proposals, director elections, auditor ratification and advisory executive compensation votes. Other 8-K filings document material financing arrangements, including credit agreement amendments, and employee benefit plan blackout notices that affect trading restrictions for directors and executive officers.
Jose Ramon Mas, CEO and director of MasTec, Inc. (MTZ), reported amendments to a prepaid variable forward sale contract securing previously pledged shares. The agreement was amended to adjust valuation terms and reduce pledged shares from 364,850 to 340,794 shares, with settlement exercisable in cash or common stock. The pledged shares are split into two tranches with 15 components each and each component exercisable/expiring between Aug 17, 2026 and Sep 3, 2027. The reporting person retains ownership and voting rights in all pledged shares during the pledge term.
MasTec, Inc. (MTZ) director Ava L. Parker reported two transactions on 08/15/2025. She was issued 295 shares of common stock as part of her quarterly director compensation at no cash price, with 147 of those shares deferred under the company's Deferred Fee Plan for Directors. Separately, 33 shares were withheld by the issuer to satisfy tax withholding upon vesting of restricted stock for an aggregate beneficial ownership of 4,869 shares following the transactions. The Form 4 was signed on 08/19/2025.
Robert C. Campbell, a director of MasTec, Inc. (MTZ), reported an acquisition of 232 shares of the company’s common stock on 08/15/2025. The Form 4 shows 38,277 shares beneficially owned by Mr. Campbell following the reported transaction. The filing lists a price of $0 for the transaction and is signed on 08/19/2025.
Javier Alberto Palomarez, a director of MasTec, Inc. (MTZ), reported equity transactions on 08/15/2025. The filing shows an acquisition of 232 shares of common stock recorded as an acquisition at $0, and a related disposition of 52 shares at $178 each. After these transactions he beneficially owned 11,255 shares (the filing also shows 11,307 before the disposition). The filing explains the 52 shares were withheld by the issuer to pay taxes due upon vesting of restricted stock. The Form 4 is signed on behalf of Mr. Palomarez on 08/19/2025.
Julia L. Johnson, a director of MasTec, Inc. (MTZ), reported an acquisition of 232 shares of MasTec common stock on 08/15/2025. The reported transaction code is "A" and the price is shown as $0. After the transaction she beneficially owns 72,871 shares. The Form 4 was signed on 08/19/2025 and filed as an individual filing by one reporting person.
Robert J. Dwyer, a director of MasTec, Inc. (MTZ), reported two transactions on 08/15/2025. He received 232 shares of MasTec common stock at $0 (likely vesting of restricted shares) bringing his beneficial ownership to 20,543 shares. On the same date 52 shares were disposed of at $178 per share, and the filing explains those 52 shares were withheld by the issuer to cover taxes due upon vesting, reducing his holdings to 20,491 shares. The Form 4 was signed on behalf of Mr. Dwyer on 08/19/2025.
Ernst N. Csiszar, a director of MasTec, Inc. (MTZ), reported equity transactions on 08/15/2025. On that date Mr. Csiszar had 254 shares of Common Stock issued to him (reported as acquisition at $0, consistent with shares vesting) and 56 shares were disposed (reported at $178) to satisfy tax withholding. After these transactions he is shown as beneficially owning 23,421 shares. The filing includes an explanatory note that the 56 shares were withheld by the issuer to pay taxes due upon vesting of restricted stock. The Form 4 is signed on behalf of the reporting person on 08/19/2025.
MasTec, Inc. (MTZ) – Form 144 filing
An unidentified holder has notified the SEC of a planned sale of 20,000 common shares on or about 04 Aug 2025. At the implied reference price, the deal is worth $3.6 million (≈ $180 per share). The stock was acquired via employee stock-option exercises on 14 Mar 2021 (8,862 sh) and 19 Mar 2023 (18,374 sh).
- Total shares outstanding: 78,907,954; proposed sale equals ≈ 0.03 % of the float—an immaterial amount in liquidity terms.
- Broker: Merrill Lynch; execution venue: NYSE.
- No sales by this holder in the previous three months.
- Standard representation states the seller knows of no undisclosed material adverse information.
The notice signals a routine insider transaction with no dilution and limited market impact, though investors may read it as a modest sentiment check.