YABUKI JEFFERY W

Director at MBIA INC · on record since Mar 28, 2006
Director at FISERV INC · on record since Feb 28, 2006
Director at PETSMART INC · on record since Feb 7, 2006
Executive VP and COO at H&R BLOCK INC · on record since Jul 1, 2003
Director at Sportradar Group AG · on record since May 4, 2026
Director at NASDAQ, INC. · on record since Jun 12, 2026
Director at SentinelOne, Inc. · on record since Jun 29, 2021
President & CEO at FISERV INC · on record since Dec 5, 2005

Insider trading activity of YABUKI JEFFERY W

Transactions on record: 482; since Aug 1, 2003

Open-market buys: 21; $1.2M

Open-market sells: 169; $233.6M

Companies traded: 7; last filing Jun 12, 2026

Figures computed from official regulatory filings — .

Companies where YABUKI JEFFERY W has traded

NASDAQ, INC.6 tx · $24.7K · Jun 12, 2026
Sportradar Group AG5 tx · $176.1K · May 21, 2026
SentinelOne, Inc.5 tx · $350K · Jul 5, 2022
FISERV INC302 tx · $470.9M · Jan 4, 2021
MBIA INC32 tx · $627.2K · Nov 20, 2008
PETSMART INC19 tx · $9.9K · Jun 22, 2007
H&R BLOCK INC113 tx · $59M · Dec 1, 2005

Track record of YABUKI JEFFERY W

Statistical track record

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Open-market buys: 21

Last buy: Apr 30, 2026

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Transaction history of YABUKI JEFFERY W

Co-insiders of YABUKI JEFFERY W

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
NASDAQ, INC.Listing on record	Jun 12, 2026	Award	4,612	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sportradar Group AGListing on record	May 21, 2026	Award	26,335	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sportradar Group AGListing on record	May 19, 2026	Other	-3,735	12.49 USD	$46.7K		SEC
Sportradar Group AGListing on record	May 4, 2026	Buy	5,000	12.88 USD	$64.4K	conv 53ClusterFirst in 12mo	SEC
Sportradar Group AGListing on record	May 4, 2026	Buy	2,000	13.00 USD	$26K	conv 53ClusterFirst in 12mo	SEC
Sportradar Group AGListing on record	May 4, 2026	Buy	3,000	13.00 USD	$39K	conv 54ClusterFirst in 12mo	SEC
NASDAQ, INC.Listing on record	Jun 13, 2025	Award	4,607	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NASDAQ, INC.Listing on record	Jan 14, 2025	Gift	-2,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NASDAQ, INC.Listing on record	Jun 13, 2024	Award	6,522	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NASDAQ, INC.Listing on record	Aug 7, 2023	Buy	500	49.40 USD	$24.7K	conv 46ClusterFirst in 12mo	SEC
NASDAQ, INC.Listing on record	Jun 23, 2023	Award	7,218	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Jul 5, 2022	Award	2,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Jul 5, 2022	Award	9,644	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Dec 14, 2021	Award	817	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Sep 13, 2021	Award	175	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Jul 2, 2021	Buy	10,000	35.00 USD	$350K	conv 88ClusterUnusual size+1	SEC
FISERV INCListing unverified	Jan 4, 2021	Gift	-1,875	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
FISERV INCListing unverified	Jan 4, 2021	Gift	-1,740	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
FISERV INCListing unverified	Jan 4, 2021	Award	111,552	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
FISERV INCListing unverified	Nov 19, 2020	Sell	-11,688	109.29 USD	$1.3M		SEC
FISERV INCListing unverified	Nov 19, 2020	Sell	-5,514	109.92 USD	$606.1K		SEC
FISERV INCListing unverified	Nov 19, 2020	Sell	-12,798	108.47 USD	$1.4M		SEC
FISERV INCListing unverified	Nov 16, 2020	Sell	-2,200	109.47 USD	$240.8K		SEC
FISERV INCListing unverified	Nov 12, 2020	Exercise	50,000	16.32 USD	$816K		SEC
FISERV INCListing unverified	Nov 12, 2020	ExerciseD (derivative)	-50,000	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
NASDAQ, INC.Listing on record	Jun 12, 2026	Award	4,612	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sportradar Group AGListing on record	May 21, 2026	Award	26,335	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sportradar Group AGListing on record	May 19, 2026	Other	-3,735	12.49 USD	$46.7K		SEC
Sportradar Group AGListing on record	May 4, 2026	Buy	5,000	12.88 USD	$64.4K	conv 53ClusterFirst in 12mo	SEC
Sportradar Group AGListing on record	May 4, 2026	Buy	2,000	13.00 USD	$26K	conv 53ClusterFirst in 12mo	SEC
Sportradar Group AGListing on record	May 4, 2026	Buy	3,000	13.00 USD	$39K	conv 54ClusterFirst in 12mo	SEC
NASDAQ, INC.Listing on record	Jun 13, 2025	Award	4,607	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NASDAQ, INC.Listing on record	Jan 14, 2025	Gift	-2,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NASDAQ, INC.Listing on record	Jun 13, 2024	Award	6,522	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NASDAQ, INC.Listing on record	Aug 7, 2023	Buy	500	49.40 USD	$24.7K	conv 46ClusterFirst in 12mo	SEC
NASDAQ, INC.Listing on record	Jun 23, 2023	Award	7,218	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Jul 5, 2022	Award	2,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Jul 5, 2022	Award	9,644	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Dec 14, 2021	Award	817	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Sep 13, 2021	Award	175	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SentinelOne, Inc.Listing on record	Jul 2, 2021	Buy	10,000	35.00 USD	$350K	conv 88ClusterUnusual size+1	SEC
FISERV INCListing unverified	Jan 4, 2021	Gift	-1,875	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
FISERV INCListing unverified	Jan 4, 2021	Gift	-1,740	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
FISERV INCListing unverified	Jan 4, 2021	Award	111,552	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
FISERV INCListing unverified	Nov 19, 2020	Sell	-11,688	109.29 USD	$1.3M		SEC
FISERV INCListing unverified	Nov 19, 2020	Sell	-5,514	109.92 USD	$606.1K		SEC
FISERV INCListing unverified	Nov 19, 2020	Sell	-12,798	108.47 USD	$1.4M		SEC
FISERV INCListing unverified	Nov 16, 2020	Sell	-2,200	109.47 USD	$240.8K		SEC
FISERV INCListing unverified	Nov 12, 2020	Exercise	50,000	16.32 USD	$816K		SEC
FISERV INCListing unverified	Nov 12, 2020	ExerciseD (derivative)	-50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC