SEIDENBERG IVAN G

Director at VERIZON COMMUNICATIONS INC · on record since Jan 31, 2006
Director at WYETH · on record since Jan 18, 2006
Director at Perella Weinberg Partners · on record since Jun 28, 2021
Director at HONEYWELL INTERNATIONAL INC · on record since Jan 12, 2006
Director at Viacom Inc. · on record since Jul 3, 2003
Director at BlackRock Finance, Inc. · on record since Jan 20, 2011
Chairman and CEO at VERIZON COMMUNICATIONS INC · on record since Jan 21, 2004
Director at BXP, Inc. · on record since May 29, 2014
Director at BOSTON PROPERTIES LTD PARTNERSHIP · on record since May 28, 2014
Director at Madison Square Garden Sports Corp. · on record since May 21, 2020

Insider trading activity of SEIDENBERG IVAN G

Transactions on record: 438; since Aug 5, 2003

Open-market buys: 0

Open-market sells: 9; $23.2M

Companies traded: 8; last filing Feb 19, 2026

Figures computed from official regulatory filings — .

Companies where SEIDENBERG IVAN G has traded

Madison Square Garden Sports Corp.12 tx · Feb 19, 2026
Perella Weinberg Partners4 tx · May 26, 2022
BlackRock Finance, Inc.46 tx · $133K · Apr 2, 2020
BXP, Inc.18 tx · $177.8K · May 2, 2016
VERIZON COMMUNICATIONS INC278 tx · $169.5M · Dec 27, 2011
HONEYWELL INTERNATIONAL INC39 tx · $893.3K · Feb 27, 2008
23 tx · $512.6K · Jan 23, 2008
18 tx · $968.8K · Apr 5, 2004

Track record of SEIDENBERG IVAN G

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of SEIDENBERG IVAN G

Co-insiders of SEIDENBERG IVAN G

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Madison Square Garden Sports Corp.Listing on record	Feb 19, 2026	AwardD (derivative)	353	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 10, 2025	AwardD (derivative)	727	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Feb 20, 2025	AwardD (derivative)	466	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 6, 2024	AwardD (derivative)	709	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Feb 16, 2024	AwardD (derivative)	531	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 12, 2023	AwardD (derivative)	937	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Feb 17, 2023	AwardD (derivative)	548	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 13, 2022	AwardD (derivative)	1,027	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Perella Weinberg PartnersListing on record	May 26, 2022	Award	13,453	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Perella Weinberg PartnersListing on record	May 26, 2022	Award	406	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Feb 17, 2022	AwardD (derivative)	628	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 10, 2021	AwardD (derivative)	884	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Perella Weinberg PartnersListing on record	Sep 1, 2021	Award	5,490	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Perella Weinberg PartnersListing on record	Sep 1, 2021	Award	3,580	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 22, 2020	AwardD (derivative)	626	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	May 21, 2020	AwardD (derivative)	437	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Apr 2, 2020	Award	74	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Jan 3, 2020	Award	64	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Oct 1, 2019	Award	73	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Jul 2, 2019	Award	69	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Apr 2, 2019	Award	76	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Apr 2, 2019	Award	561	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Jan 3, 2019	Award	83	392.82 USD	$32.6K		SEC
BlackRock Finance, Inc.Listing on record	Oct 2, 2018	Award	69	471.33 USD	$32.5K	Unusual size	SEC
BlackRock Finance, Inc.Listing on record	Jul 3, 2018	Award	79	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Madison Square Garden Sports Corp.Listing on record	Feb 19, 2026	AwardD (derivative)	353	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 10, 2025	AwardD (derivative)	727	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Feb 20, 2025	AwardD (derivative)	466	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 6, 2024	AwardD (derivative)	709	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Feb 16, 2024	AwardD (derivative)	531	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 12, 2023	AwardD (derivative)	937	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Feb 17, 2023	AwardD (derivative)	548	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 13, 2022	AwardD (derivative)	1,027	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Perella Weinberg PartnersListing on record	May 26, 2022	Award	13,453	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Perella Weinberg PartnersListing on record	May 26, 2022	Award	406	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Feb 17, 2022	AwardD (derivative)	628	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 10, 2021	AwardD (derivative)	884	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Perella Weinberg PartnersListing on record	Sep 1, 2021	Award	5,490	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Perella Weinberg PartnersListing on record	Sep 1, 2021	Award	3,580	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	Dec 22, 2020	AwardD (derivative)	626	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Madison Square Garden Sports Corp.Listing on record	May 21, 2020	AwardD (derivative)	437	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Apr 2, 2020	Award	74	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Jan 3, 2020	Award	64	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Oct 1, 2019	Award	73	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Jul 2, 2019	Award	69	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Apr 2, 2019	Award	76	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Apr 2, 2019	Award	561	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BlackRock Finance, Inc.Listing on record	Jan 3, 2019	Award	83	392.82 USD	$32.6K		SEC
BlackRock Finance, Inc.Listing on record	Oct 2, 2018	Award	69	471.33 USD	$32.5K	Unusual size	SEC
BlackRock Finance, Inc.Listing on record	Jul 3, 2018	Award	79	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC