YABUKI JEFFERY W

CIK: 0001207371
Director
Primary company: FISERV INC (FISV)

YABUKI JEFFERY W is a corporate insider at FISERV INC (FISV) filing SEC Form 4 transactions. 467 transactions across 6 companies, totaling $1,110,897 in purchases and $232,826,357 in sales. Source: SEC EDGAR.

AI Insider Summary

Jeffery W. Yabuki's 467-transaction Form 4 record spans seven issuers — a multi-decade profile that appears to track a long career through multiple executive roles. The primary issuer (FISV) dominates: 296 transactions with a dramatic sell skew (4.2M shares sold, 16K bought). The secondary issuers (HRB, PETM, NDAQ, S, SRAD, mbi) show smaller sell volumes and occasional buys, consistent with either board-service obligations or personal portfolio activity in names where Yabuki held concurrent roles. The overall pattern — predominantly sells across most issuers, with isolated buys in a few — is consistent with an executive systematically monetizing equity compensation across a multi-company career rather than expressing directional views on any single name.

The FISV concentration is the most analytically relevant. With 296 transactions — 4.2M shares sold against 16K bought — this is unmistakably an employment-related equity position being monetized over time. Fiserv's size and the management layer at which Yabuki operated suggest this was a position of meaningful economic weight, and the sell-only pattern in the recent window confirms the position is being wound down rather than accumulated.

The HRB position — 106 transactions, 1.38M shares sold — is the second-largest volume contributor and follows the same template. PETM (19 transactions, 6.5K sold, 300 bought) and NDAQ (6 transactions, small buys, no sells) are smaller and less analytically significant. The S (Sprint) and SRAD entries are legacy names from earlier career chapters.

Analysis generated by 13F Insight from SEC Form 4 filing data. Methodology
Total Transactions
467
Total Buy Value
$1.11M
Total Sell Value
$232.83M
Net Activity
$-231.72M
Last Transaction
Jun 2026
Companies
6

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Award
Shares
4,612
Price
-
Value
-
Sportradar Group AG
SRAD
Type
Purchase
Shares
2,000
Price
$13.00
Value
$26K
Sportradar Group AG
SRAD
Type
Purchase
Shares
5,000
Price
$12.88
Value
$64K
Sportradar Group AG
SRAD
Type
Purchase
Shares
3,000
Price
$13.00
Value
$39K
Type
Award
Shares
4,607
Price
-
Value
-
Type
Gift
Shares
2,500
Price
-
Value
-
Type
Award
Shares
6,522
Price
-
Value
-
Type
Purchase
Shares
500
Price
$49.40
Value
$25K
Type
Award
Shares
7,218
Price
$0.00
Value
$0
Type
Award
Shares
2,400
Price
$0.00
Value
$0
Type
Award
Shares
9,644
Price
$0.00
Value
$0
Type
Award
Shares
817
Price
$0.00
Value
$0
Type
Award
Shares
175
Price
$0.00
Value
$0
Type
Purchase
Shares
10,000
Price
$35.00
Value
$350K
Type
Award
Shares
111,552
Price
$0.00
Value
$0
Type
Gift
Shares
1,875
Price
$0.00
Value
$0
Type
Gift
Shares
1,740
Price
$0.00
Value
$0
Type
Sale
Shares
5,514
Price
$109.92
Value
$606K
Type
Sale
Shares
11,688
Price
$109.29
Value
$1.28M
Type
Sale
Shares
12,798
Price
$108.47
Value
$1.39M