Insider Transactions Reported by 26 Insiders of COMMUNITY FINANCIAL SYSTEM, INC.

Insiders trading volume in the past year

	Insiders	Shares	%	Avg Price	Total $
Buys	0
Sells	1	-2,576	100%	$63.41	-$163,333
Net	-1	-2,576	-100%		-$163,333

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Report Date
Mark J. Bolus	Director	$8,738,005			14 Apr 2025
MARK E. TRYNISKI	Director	$8,129,071			19 Mar 2024
John Parente	Director	$4,373,859			16 Dec 2025
BRIAN R. ACE	Director	$3,569,281			19 Mar 2024
ERIC STICKELS	Director	$3,443,903			14 Apr 2025
SALLY A. STEELE	Director	$2,897,718			15 Apr 2025
George J. Getman	Executive VP & General Counsel	$2,470,577			15 Mar 2022
Raymond C. Pecor III	Director	$2,227,008			18 Mar 2025
JEFFREY L. DAVIS	Director	$1,759,212			22 Jun 2023
JOSEPH E. SUTARIS	EVP & Chief Financial Officer	$1,702,952			18 Mar 2025
Dimitar Karaivanov	President & CEO, Director	$1,674,156			18 Mar 2025
Neil E. Fesette	Director	$1,543,630			18 Dec 2025
John F. Whipple	Director	$1,242,769			01 Dec 2025
Joseph F. Serbun	President, Retail Banking	$787,474			02 Oct 2022
JEFFREY M. LEVY	SVP & Chief Banking Officer	$737,536	-$163,333	-18%	27 Aug 2025
MacPherson Kerrie D.	Director	$578,830			18 Mar 2025
Michael N. Abdo	EVP and General Counsel	$565,992			18 Mar 2025
Maureen Gillan-Myer	EVP, Chief Admin & HR Officer	$526,059			18 Mar 2025
Deresa F. Durkee	SVP, Chief Accounting Officer	$381,704			18 Mar 2025
Michele Sullivan	Director	$353,932			18 Dec 2025
SUSAN E. SKERRITT	Director	$332,235			18 Mar 2025
Jeffery J. Knauss	Director	$303,253			14 Apr 2025
Joseph J. Lemchak	SVP, Chief Investment Officer	$283,587			15 Mar 2022
Savneet Singh	Director	$160,597			18 Dec 2025
Marya Burgio Wlos	EVP & Chief Financial Officer	$116,631			02 May 2025
John A. Vaccaro	Director	$10,262			01 Oct 2025

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.