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Total declarations
Companies
▲ Purchases (10 ops.)
▼ Sales (0 ops.)
Latest filing published 02 Jun 2026 for Builders FirstSource, Inc., €27k.
Filing timeline
BuySaleMark A. Alexander
Insider track record
Disclosed buys
10
Disclosed sells
0
Signal history
Closed purchases
Market purchases
10
Positive at T+90
50%
Median T+90
+4.3%
Based on 10 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.
Purchases by company
Since each purchase
- +19.6%Entry US$55.41 · Close at T+365 US$66.26
- +12.9%Entry US$58.90 · Close at T+365 US$66.52
- +15.5%Entry US$56.93 · Close at T+365 US$65.73
- -19.9%Entry US$70.72 · Close at T+365 US$56.68
- +24.2%Entry US$59.64 · Close at T+365 US$74.05
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Mark A. Alexander: trading record in brief
Mark A. Alexander has reported no sale: the record holds 10 open-market purchases, all at W. P. Carey Inc., worth EUR 1.4 million in total with a median of EUR 136,698. The three largest are dated November 1, 2024 (EUR 253,929), November 17, 2016 (EUR 215,679) and May 19, 2020 (EUR 215,158).
Mark A. Alexander is a director of three Nasdaq companies: Builders FirstSource, Inc. (30 filings), W. P. Carey Inc. (27) and BMC Stock Holdings, Inc. (5). The 62 filings also include 50 grants.
The stored results for these purchases, measured on 10 trades from the day after publication to day 90, give a median of 4.3%, with 50% of results positive. These are stored past results, not a forecast.
The year 2024 is the busiest with 13 filings, ahead of 2025 (11) and 2023 (7). Three filings fall in the last twelve months. Within 30 days of colleagues at W. P. Carey Inc., Alexander has 4, 4 and 3 own market trades, in that order. Same side: 4, 3 and 3. Colleagues in order: Peter Farrell, Arjun Mahalingam and Christopher Niehaus.
Companies and markets linked to Mark A. Alexander
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations62 total
409 shares@ US$76.260.0004% mcap4.6% of flowCommon Stock, par value $0.01 per shareSEC:0001193125-26-253465:0
299 shares@ US$104.294.5% of flowCommon Stock, par value $0.01 per shareSEC:0001193125-26-088143:0
278 shares@ US$112.234.6% of flowCommon Stock, par value $0.01 per shareSEC:0001193125-25-306902:0
438 shares@ US$68.473.3% of flowCommon StockSEC:0001025378-25-000136:0
225 shares@ US$138.684.5% of flowCommon Stock, par value $0.01 per shareSEC:0000950170-25-112819:0
476 shares@ US$62.991.5% of flowCommon StockSEC:0001025378-25-000104:1
2,778 shares0Common StockSEC:0001025378-25-000104:0
290 shares@ US$107.684.7% of flowCommon Stock, par value $0.01 per shareSEC:0000950170-25-080906:0
1,707 shares0Common Stock, par value $0.01 per shareSEC:0000950170-25-078919:0
475 shares@ US$63.033.6% of flowCommon StockSEC:0001025378-25-000055:0
224 shares@ US$138.995.1% of flowCommon Stock, par value $0.01 per shareSEC:0000950170-25-041133:0
224 shares@ US$138.995.1% of flowCommon Stock, par value $0.01 per shareSEC:0000950170-25-031958:0
552 shares@ US$54.293.7% of flowCommon StockSEC:0001025378-25-000003:0
167 shares@ US$186.475.0% of flowCommon Stock, par value $0.01 per shareSEC:0000950170-24-132741:0
5,000 shares@ US$55.286132.6% of flowCommon StockSEC:0001025378-24-000144:0
Canonical exit: 30 Jan 2025 (T+90)
489 shares@ US$61.323.5% of flowCommon StockSEC:0001025378-24-000131:0
179 shares@ US$174.004.8% of flowCommon Stock, par value $0.01 per shareSEC:0000950170-24-103596:0
2,000 shares@ US$57.029713.4% of flowCommon StockSEC:0001025378-24-000128:0
Canonical exit: 14 Nov 2024 (T+90)
3,500 shares@ US$55.865923.0% of flowCommon StockSEC:0001025378-24-000124:0
Canonical exit: 7 Nov 2024 (T+90)
663 shares@ US$54.632.0% of flowCommon StockSEC:0001025378-24-000103:1
3,203 shares0Common StockSEC:0001025378-24-000103:0
1,194 shares0Common Stock, par value $0.01 per shareSEC:0000950170-24-068954:1
194 shares@ US$160.794.9% of flowCommon Stock, par value $0.01 per shareSEC:0000950170-24-068954:0
655 shares@ US$55.274.3% of flowCommon StockSEC:0001025378-24-000071:0
156 shares@ US$199.984.9% of flowCommon Stock, par value $0.01 per shareSEC:0001209191-24-004429:0
25 of 62 declarations
