Roberto Seixas Stanichi
CIK 2148131 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 4, 2026 · Latest: Aug. 4, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 2 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 31, 2026 | MAT | A | 62,956 | — | — | 62,956 Direct | — | Acquired | (price as of 2026-08-20) |
| July 31, 2026 | MAT | A | 132,538 | — | — | 132,538 Direct | — | Acquired | (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 31, 2026 | MAT | Restricted Stock Units | Common Stock (62,956) | — | — | 62,956 | Acquired |
| July 31, 2026 | MAT | Restricted Stock Units | Common Stock (132,538) | — | — | 132,538 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 4, 2026 | MAT | Common Stock | 45,929 | Direct |
| Aug. 4, 2026 | MAT | Restricted Stock Units - Granted 04/25/2024→ Common Stock (8,345) | 8,345 | Direct |
| Aug. 4, 2026 | MAT | Restricted Stock Units - Granted 04/30/2024→ Common Stock (5,568) | 5,568 | Direct |
| Aug. 4, 2026 | MAT | Restricted Stock Units - Granted 04/30/2025→ Common Stock (10,542) | 10,542 | Direct |
| Aug. 4, 2026 | MAT | Restricted Stock Units - Granted 05/07/2025→ Common Stock (15,376) | 15,376 | Direct |
| Aug. 4, 2026 | MAT | Restricted Stock Units - Granted 09/30/2025→ Common Stock (5,199) | 5,199 | Direct |
| Aug. 4, 2026 | MAT | Restricted Stock Units - Granted 05/01/2026→ Common Stock (36,839) | 36,839 | Direct |