ALEXANDER MARK A
SEC insider (Form 3/4/5 filer). CIK 0001212607. Director at Builders FirstSource, Inc. (BLDR) and 1 other issuer. 18 reported Form 4/5 transactions since Sep 2024; latest on Jun 1, 2026. Located in IRVING, TX.
Companies ALEXANDER MARK A has filed insider reports for
- Builders FirstSource, Inc. (BLDR): Director
- W. P. Carey Inc. (WPC): Director
ALEXANDER MARK A
CIK: 0001212607
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (18 total)
- Jun 1, 2026BLDR
Builders FirstSource, Inc.
AwardDirect409 shares at avg. $76.26$31K - May 14, 2026BLDR
Builders FirstSource, Inc.
AwardDirect2.6K shares- - Mar 1, 2026BLDR
Builders FirstSource, Inc.
AwardDirect299 shares at avg. $104.29$31K - Dec 1, 2025BLDR
Builders FirstSource, Inc.
AwardDirect278 shares at avg. $112.23$31K - Oct 1, 2025WPC
W. P. Carey Inc.
AwardDirect438 shares at avg. $68.47$30K - Sep 1, 2025BLDR
Builders FirstSource, Inc.
AwardDirect225 shares at avg. $138.68$31K - Jul 1, 2025WPC
W. P. Carey Inc.
AwardDirect476 shares at avg. $62.99$30K - Jul 1, 2025WPC
W. P. Carey Inc.
AwardDirect2.8K shares- - Jun 1, 2025BLDR
Builders FirstSource, Inc.
AwardDirect290 shares at avg. $107.68$31K - May 27, 2025BLDR
Builders FirstSource, Inc.
AwardDirect1.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 1, 2026 |  BLDR Builders FirstSource, Inc. | Award | 409 | $76.26 | $31,190 | Direct |
| May 14, 2026 | BLDR Builders FirstSource, Inc. | Award | 2,558 | - | $0 | Direct |
| Mar 1, 2026 | BLDR Builders FirstSource, Inc. | Award | 299 | $104.29 | $31,183 | Direct |
| Dec 1, 2025 | BLDR Builders FirstSource, Inc. | Award | 278 | $112.23 | $31,200 | Direct |
| Oct 1, 2025 |  WPC W. P. Carey Inc. | Award | 438 | $68.47 | $29,990 | Direct |
| Sep 1, 2025 | BLDR Builders FirstSource, Inc. | Award | 225 | $138.68 | $31,203 | Direct |
| Jul 1, 2025 | WPC W. P. Carey Inc. | Award | 476 | $62.99 | $29,983 | Direct |
| Jul 1, 2025 | WPC W. P. Carey Inc. | Award | 2,778 | - | - | Direct |
| Jun 1, 2025 | BLDR Builders FirstSource, Inc. | Award | 290 | $107.68 | $31,227 | Direct |
| May 27, 2025 | BLDR Builders FirstSource, Inc. | Award | 1,707 | - | - | Direct |
1-10 of 18 transactions