William Jack Plants II

CIK: 0001846495

Transaction Breakdown

Open Market Buys (P)2 (33.3%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (33.3%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (33.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

FISI

FINANCIAL INSTITUTIONS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (6 total)

FISI
FINANCIAL INSTITUTIONS INC
Mar 20, 2026
Exercise(M)
Direct
2.9K shares-
FISI
FINANCIAL INSTITUTIONS INC
Mar 20, 2026
Tax Payment(F)
Direct
1K shares at avg. $30.59$32K
FISI
FINANCIAL INSTITUTIONS INC
Mar 12, 2026
Purchase(P)
Direct
660 shares at avg. $30.12$20K
FISI
FINANCIAL INSTITUTIONS INC
Mar 16, 2025
Exercise(M)
Direct
2.6K shares-
FISI
FINANCIAL INSTITUTIONS INC
Mar 16, 2025
Tax Payment(F)
Direct
935 shares at avg. $26.05$24K
FISI
FINANCIAL INSTITUTIONS INC
Dec 13, 2024
Purchase(P)
Indirect
2.8K shares at avg. $25.00$70K

		Type	Shares	Price		Ownership
Mar 20, 2026	FISI FINANCIAL INSTITUTIONS INC	Exercise(M)	2,898	-	$0	Direct
Mar 20, 2026	FISI FINANCIAL INSTITUTIONS INC	Tax Payment(F)	1,044	$30.59	$31,936	Direct
Mar 12, 2026	FISI FINANCIAL INSTITUTIONS INC	Purchase(P)	660	$30.12	$19,879	Direct
Mar 16, 2025	FISI FINANCIAL INSTITUTIONS INC	Exercise(M)	2,604	-	-	Direct
Mar 16, 2025	FISI FINANCIAL INSTITUTIONS INC	Tax Payment(F)	935	$26.05	$24,357	Direct
Dec 13, 2024	FISI FINANCIAL INSTITUTIONS INC	Purchase(P)	2,800	$25.00	$70,000	Indirect

1-6 of 6 transactions

About Plants William Jack II

Plants William Jack II (SEC CIK 0001846495) files insider reports with the SEC as Chief Financial Officer of FINANCIAL INSTITUTIONS INC (FISI).

Signal8 holds 8 ownership filings by Plants William Jack II (7 Form 4, 1 Form 5), filed between Dec 16, 2024 and Mar 23, 2026. Those filings report 6 transactions, from Dec 13, 2024 to Mar 20, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Plants William Jack II's filings is in WARSAW, NY.

Recent filings by Plants William Jack II

Mar 20, 2026: Option exercise of FISI shares (Form 4, code M).
Mar 20, 2026: Tax withholding of FISI shares (Form 4, code F).
Mar 12, 2026: Open-market purchase of FISI shares (Form 4, code P).
Mar 16, 2025: Option exercise of FISI shares (Form 4, code M).
Mar 16, 2025: Tax withholding of FISI shares (Form 4, code F).

Other insiders filing for FINANCIAL INSTITUTIONS INC (FISI)

JONES BLAKE G, Chief Marketing Officer
Zupan Mark, Director
HOLLIDAY SUSAN R, Director
DORN ANDREW W JR, Director
VanGelder Kim E, Director
HARTING BRUCE W, Director

How to read Form 4 transaction codes