ALEXANDER MARK A has filed 30 insider transactions across 2 companies since March 2023.
Most recent transaction: a grant/award of 299 shares of Builders FirstSource, Inc. ($BLDR) on March 01, 2026.
Activity breakdown: 3 open-market purchases and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 1, 2026 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 299 | $104.29 | 44,946.0000 | 110,585,000 | 0.67% | 0.00% |
| Dec. 1, 2025 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 278 | $112.23 | 44,647.0000 | 110,552,000 | 0.63% | 0.00% |
| Oct. 1, 2025 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | A | Common Stock | 438 | $68.47 | 51,095.3590 | 221,087,833 | 0.86% | 0.00% |
| Sept. 1, 2025 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 225 | $138.68 | 44,369.0000 | 110,537,000 | 0.51% | 0.00% |
| July 1, 2025 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | A | Common Stock | 2778 | $0.00 | 49,923.0000 | 220,520,457 | 5.89% | 0.00% |
| July 1, 2025 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | A | Common Stock | 476 | $62.99 | 50,399.0000 | 220,520,457 | 0.95% | 0.00% |
| June 1, 2025 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 290 | $107.68 | 44,144.0000 | 113,726,000 | 0.66% | 0.00% |
| May 27, 2025 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 1707 | $0.00 | 43,854.0000 | 113,726,000 | 4.05% | 0.00% |
| April 1, 2025 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | A | Common Stock | 475 | $63.03 | 47,145.0000 | 220,520,457 | 1.02% | 0.00% |
| March 1, 2025 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 224 | $138.99 | 42,147.0000 | 113,578,000 | 0.53% | 0.00% |
| Feb. 28, 2025 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 224 | $138.99 | 42,147.0000 | 113,578,000 | 0.53% | 0.00% |
| Jan. 2, 2025 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | A | Common Stock | 552 | $54.29 | 46,402.0000 | 220,520,457 | 1.20% | 0.00% |
| Dec. 1, 2024 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 167 | $186.47 | 41,923.0000 | 115,557,000 | 0.40% | 0.00% |
| Nov. 1, 2024 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | P | Common Stock | 5000 | $55.29 | 45,850.0000 | 220,425,244 | 12.24% | 0.00% |
| Oct. 1, 2024 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | A | Common Stock | 489 | $61.32 | 40,613.0000 | 220,425,244 | 1.22% | 0.00% |
| Sept. 1, 2024 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 179 | $174.00 | 41,756.0000 | 116,451,000 | 0.43% | 0.00% |
| Aug. 16, 2024 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | P | Common Stock | 2000 | $57.03 | 40,124.0000 | 215,760,496 | 5.25% | 0.00% |
| Aug. 9, 2024 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | P | Common Stock | 3500 | $55.87 | 38,124.0000 | 215,760,496 | 10.11% | 0.00% |
| July 1, 2024 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | A | Common Stock | 3203 | $0.00 | 33,772.0000 | 215,760,496 | 10.48% | 0.00% |
| July 1, 2024 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | A | Common Stock | 663 | $54.63 | 34,435.0000 | 215,760,496 | 1.96% | 0.00% |
| June 4, 2024 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 1194 | $0.00 | 41,577.0000 | 122,049,000 | 2.96% | 0.00% |
| June 1, 2024 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Not found | A | Common Stock, par value $0.01 per share | 194 | $160.79 | 40,383.0000 | 122,049,000 | 0.48% | 0.00% |
| April 5, 2024 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | A | Common Stock | 655 | $55.27 | 30,382.0000 | 215,760,496 | 2.20% | 0.00% |
| March 1, 2024 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Director | A | Common Stock, par value $0.01 per share | 156 | $199.98 | 40,189.0000 | 121,857,000 | 0.39% | 0.00% |
| Jan. 5, 2024 | W. P. Carey Inc. | $WPC | ALEXANDER MARK A | Director | J | Common Stock | 558 | $64.85 | 29,584.0000 | 215,760,496 | 1.92% | 0.00% |
| Dec. 1, 2023 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Director | A | Common Stock, par value $0.01 per share | 224 | $139.28 | 40,033.0000 | 138,864,000 | 0.56% | 0.00% |
| Sept. 1, 2023 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Director | A | Common Stock, par value $0.01 per share | 210 | $148.74 | 39,809.0000 | 138,864,000 | 0.53% | 0.00% |
| June 14, 2023 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Director | A | Common Stock, par value $0.01 per share | 1446 | $0.00 | 39,599.0000 | 138,864,000 | 3.79% | 0.00% |
| June 1, 2023 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Director | A | Common Stock, par value $0.01 per share | 269 | $115.86 | 38,153.0000 | 138,864,000 | 0.71% | 0.00% |
| March 1, 2023 | Builders FirstSource, Inc. | $BLDR | ALEXANDER MARK A | Director | A | Common Stock, par value $0.01 per share | 306 | $85.76 | 37,884.0000 | 138,864,000 | 0.81% | 0.00% |