ALEXANDER MARK A (CIK 1212607) reported 13 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-02). Recent activity: Buy BLDR (409 shares), Buy BLDR (2,558 shares), Buy BLDR (299 shares), Buy BLDR (278 shares), Buy WPC (438 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-02 | Builders FirstSource, Inc. (BLDR) | Director | Buy | 409 | $31,190 |
| 2026-05-18 | Builders FirstSource, Inc. (BLDR) | Director | Buy | 2,558 | $0 |
| 2026-03-03 | Builders FirstSource, Inc. (BLDR) | Director | Buy | 299 | $31,183 |
| 2025-12-03 | Builders FirstSource, Inc. (BLDR) | Director | Buy | 278 | $31,200 |
| 2025-10-03 | W. P. Carey Inc. (WPC) | Director | Buy | 438 | $29,990 |
| 2025-09-03 | Builders FirstSource, Inc. (BLDR) | Director | Buy | 225 | $31,203 |
| 2025-07-02 | W. P. Carey Inc. (WPC) | Director | Buy | 2,778 | $0 |
| 2025-07-02 | W. P. Carey Inc. (WPC) | Director | Buy | 476 | $29,983 |
| 2025-06-03 | Builders FirstSource, Inc. (BLDR) | Director | Buy | 290 | $31,227 |
| 2025-05-29 | Builders FirstSource, Inc. (BLDR) | Director | Buy | 1,707 | $0 |
| 2025-04-03 | W. P. Carey Inc. (WPC) | Director | Buy | 475 | $29,939 |
| 2025-03-18 | Builders FirstSource, Inc. (BLDR) | Director | Buy | 224 | $31,134 |
| 2025-03-04 | Builders FirstSource, Inc. (BLDR) | Director | Buy | 224 | $31,134 |
Source: SEC Form 4 filings · as of 2026-06-02