Insider · CIK 0001250037
Alberto de Cardenas
Files at MTZ (MASTEC INC). First filing Aug 7, 2025, latest Aug 7, 2025.
Alberto de Cardenas files SEC Form 4 as officer at MTZ (MASTEC INC). Since Aug 7, 2025, Alberto de Cardenas has reported 0 open-market buys worth $0 and 1 open-market sell worth $1.8M, the latest filed on Aug 7, 2025.
A track record needs three past buys with six months of prices behind them; Alberto de Cardenas has 0, so none is measured yet.
The newest scored trade: sold $1.8M of MTZ on Aug 5, 2025, filed Aug 7, 2025, scored 40 (moderate).
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MTZ: MASTEC INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 40Moderate | MTZsell MASTEC INC | $1.8M 10,000 shares | -9% | +68% from low-6% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 5, 2025 | MTZ MASTEC INC | 20,000 0.03% of outstanding | $3.6M | Aug 4, 2025 | none |
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 18, 2026 | MTZ MASTEC INC | AGrant or award Common Stock | +6,269 | $0.00 | $0 | 102,780 | Mar 20, 2026 |
| Mar 10, 2026 | MTZ MASTEC INC | FTax withholding Common Stock | -4,838 | $297.81 | $1.4M | 96,511 | Mar 12, 2026 |
| Aug 5, 2025 | MTZ MASTEC INC | SOpen-market sale Common Stock | -100 | $180.70 | $18k | 111,249 | Aug 7, 2025 |
| Aug 5, 2025 | MTZ MASTEC INC | SOpen-market sale Common Stock | -9,900 | $180.70 | $1.8M | 101,349 | Aug 7, 2025 |
Questions about Alberto de Cardenas
Answered from the filings on this page, as of the latest one.
Is Alberto de Cardenas buying or selling?
Not in the last 12 months. Alberto de Cardenas's latest open-market trade on SEC Form 4 was sold $1.8M of MTZ on Aug 5, 2025.
How did Alberto de Cardenas's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Alberto de Cardenas has 0.
Where does Alberto de Cardenas file Form 4?
Alberto de Cardenas has filed Form 4 at MTZ (MASTEC INC) as EVP, General Counsel. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.