ALEXANDER MARK A

Director at SUBURBAN PROPANE PARTNERS LP · on record since Oct 20, 2006
Chief Executive Officer at SUBURBAN PROPANE PARTNERS LP · on record since Oct 20, 2006
Director at KAYDON CORP · on record since Jul 30, 2007
Director at Builders FirstSource, Inc. · on record since May 18, 2026
Director at W. P. Carey Inc. · on record since Sep 30, 2016
Director at BMC STOCK HOLDINGS, INC. · on record since Aug 3, 2017

Insider trading activity of ALEXANDER MARK A

Transactions on record: 119; since Oct 20, 2006

Open-market buys: 17; $2M

Open-market sells: 0

Companies traded: 5; last filing Jun 2, 2026

Figures computed from official regulatory filings — .

Companies where ALEXANDER MARK A has traded

Builders FirstSource, Inc.31 tx · $688.9K · Jun 2, 2026
W. P. Carey Inc.27 tx · $1.8M · Oct 3, 2025
BMC STOCK HOLDINGS, INC.5 tx · Jan 5, 2021
KAYDON CORP53 tx · $841K · Oct 18, 2013
SUBURBAN PROPANE PARTNERS LP3 tx · Dec 15, 2008

Track record of ALEXANDER MARK A

Statistical track record

Free account

Open-market buys: 17

Last buy: Nov 1, 2024

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Transaction history of ALEXANDER MARK A

Co-insiders of ALEXANDER MARK A

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Builders FirstSource, Inc.Listing on record	Jun 2, 2026	Award	409	76.26 USD	$31.2K		SEC
Builders FirstSource, Inc.Listing on record	May 18, 2026	Award	2,558	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Builders FirstSource, Inc.Listing on record	Mar 3, 2026	Award	299	104.29 USD	$31.2K		SEC
Builders FirstSource, Inc.Listing on record	Dec 3, 2025	Award	278	112.23 USD	$31.2K		SEC
W. P. Carey Inc.Listing on record	Oct 3, 2025	Award	438	68.47 USD	$30K		SEC
Builders FirstSource, Inc.Listing on record	Sep 3, 2025	Award	225	138.68 USD	$31.2K		SEC
W. P. Carey Inc.Listing on record	Jul 2, 2025	Award	476	62.99 USD	$30K		SEC
W. P. Carey Inc.Listing on record	Jul 2, 2025	Award	2,778	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Builders FirstSource, Inc.Listing on record	Jun 3, 2025	Award	290	107.68 USD	$31.2K		SEC
Builders FirstSource, Inc.Listing on record	May 29, 2025	Award	1,707	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
W. P. Carey Inc.Listing on record	Apr 3, 2025	Award	475	63.03 USD	$29.9K		SEC
Builders FirstSource, Inc.Listing on record	Mar 18, 2025	Award	224	138.99 USD	$31.1K		SEC
Builders FirstSource, Inc.Listing on record	Mar 4, 2025	Award	224	138.99 USD	$31.1K		SEC
W. P. Carey Inc.Listing on record	Jan 3, 2025	Award	552	54.29 USD	$30K		SEC
Builders FirstSource, Inc.Listing on record	Dec 3, 2024	Award	167	186.47 USD	$31.1K		SEC
W. P. Carey Inc.Listing on record	Nov 5, 2024	Buy	5,000	55.29 USD	$276.5K	conv 45Unusual size	SEC
W. P. Carey Inc.Listing on record	Oct 2, 2024	Award	489	61.32 USD	$30K		SEC
Builders FirstSource, Inc.Listing on record	Sep 4, 2024	Award	179	174.00 USD	$31.1K		SEC
W. P. Carey Inc.Listing on record	Aug 20, 2024	Buy	2,000	57.03 USD	$114.1K	conv 26	SEC
W. P. Carey Inc.Listing on record	Aug 12, 2024	Buy	3,500	55.87 USD	$195.5K	conv 43First in 12mo	SEC
W. P. Carey Inc.Listing on record	Jul 1, 2024	Award	3,203	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
W. P. Carey Inc.Listing on record	Jul 1, 2024	Award	663	54.63 USD	$36.2K		SEC
Builders FirstSource, Inc.Listing on record	Jun 4, 2024	Award	1,194	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Builders FirstSource, Inc.Listing on record	Jun 4, 2024	Award	194	160.79 USD	$31.2K		SEC
W. P. Carey Inc.Listing on record	Apr 9, 2024	Award	655	55.27 USD	$36.2K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Builders FirstSource, Inc.Listing on record	Jun 2, 2026	Award	409	76.26 USD	$31.2K		SEC
Builders FirstSource, Inc.Listing on record	May 18, 2026	Award	2,558	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Builders FirstSource, Inc.Listing on record	Mar 3, 2026	Award	299	104.29 USD	$31.2K		SEC
Builders FirstSource, Inc.Listing on record	Dec 3, 2025	Award	278	112.23 USD	$31.2K		SEC
W. P. Carey Inc.Listing on record	Oct 3, 2025	Award	438	68.47 USD	$30K		SEC
Builders FirstSource, Inc.Listing on record	Sep 3, 2025	Award	225	138.68 USD	$31.2K		SEC
W. P. Carey Inc.Listing on record	Jul 2, 2025	Award	476	62.99 USD	$30K		SEC
W. P. Carey Inc.Listing on record	Jul 2, 2025	Award	2,778	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Builders FirstSource, Inc.Listing on record	Jun 3, 2025	Award	290	107.68 USD	$31.2K		SEC
Builders FirstSource, Inc.Listing on record	May 29, 2025	Award	1,707	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
W. P. Carey Inc.Listing on record	Apr 3, 2025	Award	475	63.03 USD	$29.9K		SEC
Builders FirstSource, Inc.Listing on record	Mar 18, 2025	Award	224	138.99 USD	$31.1K		SEC
Builders FirstSource, Inc.Listing on record	Mar 4, 2025	Award	224	138.99 USD	$31.1K		SEC
W. P. Carey Inc.Listing on record	Jan 3, 2025	Award	552	54.29 USD	$30K		SEC
Builders FirstSource, Inc.Listing on record	Dec 3, 2024	Award	167	186.47 USD	$31.1K		SEC
W. P. Carey Inc.Listing on record	Nov 5, 2024	Buy	5,000	55.29 USD	$276.5K	conv 45Unusual size	SEC
W. P. Carey Inc.Listing on record	Oct 2, 2024	Award	489	61.32 USD	$30K		SEC
Builders FirstSource, Inc.Listing on record	Sep 4, 2024	Award	179	174.00 USD	$31.1K		SEC
W. P. Carey Inc.Listing on record	Aug 20, 2024	Buy	2,000	57.03 USD	$114.1K	conv 26	SEC
W. P. Carey Inc.Listing on record	Aug 12, 2024	Buy	3,500	55.87 USD	$195.5K	conv 43First in 12mo	SEC
W. P. Carey Inc.Listing on record	Jul 1, 2024	Award	3,203	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
W. P. Carey Inc.Listing on record	Jul 1, 2024	Award	663	54.63 USD	$36.2K		SEC
Builders FirstSource, Inc.Listing on record	Jun 4, 2024	Award	1,194	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Builders FirstSource, Inc.Listing on record	Jun 4, 2024	Award	194	160.79 USD	$31.2K		SEC
W. P. Carey Inc.Listing on record	Apr 9, 2024	Award	655	55.27 USD	$36.2K		SEC