Alexander Mark R. (CIK 1474367) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-12). Recent activity: Buy MAS (2,650 shares), Buy MAS (2,900 shares), Sell MAS (20,172 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-12 | MASCO CORP /DE/ (MAS) | Director | Buy | 2,650 | $0 |
| 2025-05-13 | MASCO CORP /DE/ (MAS) | Director | Buy | 2,900 | $0 |
| 2025-03-10 | MASCO CORP /DE/ (MAS) | Director | Sell | 20,172 | $1.5M |
Source: SEC Form 4 filings · as of 2026-05-12