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Community Financial System Inc. (CBU)

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Sector: National Commercial Banks

Insider Roster

J. Mark Bolus, Director, 2026-06-29
Michele Sullivan, Director, 2026-06-18
A John Vaccaro, Director, 2026-06-18
Fischer Deresa Durkee, Svp, Chief Accounting Officer, 2026-06-11
Eric Stickels, Director, 2026-06-10
Burgio Marya Wlos, Evp & Chief Financial Officer, 2026-05-05
A Sally Steele, Director, 2026-05-01
Iii C Raymond Pecor, Director, 2026-05-01
John Parente, Director, 2026-05-01
J Jeffery Knauss, Director, 2026-05-01
A Maureen Gillan-Myer, Evp, Chief Admin & Hr Officer, 2026-03-19
N Michael Abdo, Evp and General Counsel, 2026-03-19
E. Neil Fesette, Director, 2026-03-19
Dimitar Karaivanov, President & Ceo, 2026-03-19
K Matthew Durkee, Svp, Chief Banking Officer, 2026-03-19
D. Kerrie Macpherson, Director, 2026-03-18
Savneet Singh, Director, 2026-03-18
F. John Whipple, Director, 2026-03-18
M Brenda Hall, Director, 2026-03-18
M Jeffrey Levy, Svp & Chief Banking Officer, 2025-08-28
E Susan Skerritt, Director, 2025-03-20
E Joseph Sutaris, Evp & Chief Financial Officer, 2025-03-19
E Mark Tryniski, Director, 2024-03-21
R Brian Ace, Director, 2024-03-20
L Jeffrey Davis, Director, 2023-06-22
F Joseph Serbun, President, Retail Banking, 2022-10-14
Jonathon Joseph Lemchak, Svp, Chief Investment Officer, 2022-03-16
J George Getman, Executive Vp & General Counsel, 2022-03-16
Kallet R Michael, Director, 2020-12-18
Allen Scott Kingsley, Evp, Chief Operating Officer, 2020-07-01
D Brian Donahue, Evp & Chief Banking Officer, 2018-05-03
A Nicholas Dicerbo, Director, 2017-12-29
S. Edward Mucenski, Director, 2017-12-22
A James Gabriel, Director, 2017-03-16
Jr W James Gibson, Director, 2016-11-16
A James Wilson, Director, 2015-03-19
R Brian Wright, Director, 2014-03-20
S Alfred Whittet, Director, 2013-12-20
Jr M Paul Cantwell, Director, 2013-01-11
Charles David Patterson, Director, 2011-12-12
E Charles Parente, Director, 2011-01-04
M William Dempsey, Director, 2009-02-02

Show All Insiders (42)

Hedge Fund Popularity

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Hedge Fund Holdings

Filing Period:

Last updated on August 19, 2026, 2:58pm based on SEC 13F filings Last update: August 19, 2026, 2:58pm

No.	Hedge Fund	Shares	Value	Activity	% Port
1.	Basswood Capital Matthew Lindenbaum	321,017	$21,546,661		0.86%
2.	Adage Capital Management Phill Gross And Robert Atchinson	236,766	$15,891,734	+209%	0.02%
3.	Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell	133,785	$8,979,649		0%
4.	Citadel Investment Group Ken Griffin	105,104	$7,054,581	+10%	0%
5.	AQR Capital Management Cliff Asness	65,300	$4,382,937	+155%	0%

Insider Trading: Purchases See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Macpherson Director	$62.20	320	$19,902.40	2,982	2024-11-05	Filing
Macpherson Director	$62.20	320	$19,902.40	3,302	2024-11-05	Filing
Karaivanov Officer, Director	$43.52	1,000	$43,520.00	19,653	2024-06-13	Filing
Karaivanov Officer, Director	$43.70	1,000	$43,700.00	16,265	2024-02-14	Filing
Levy Officer	$38.60	1,300	$50,185.59	5,924	2023-10-27	Filing

Insider Trading: Sales See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Bolus Director	$67.00	12,191	$816,785.81	94,060	2026-06-25	Filing
Stickels Director	$63.98	2,000	$127,962.20	31,592	2026-06-08	Filing
Gillan-Myer Officer	$58.85	3,450	$203,053.63	0	2025-12-29	Filing
Whipple Director	$65.17	4,246	$276,703.75	8,506	2026-02-04	Filing
Steele Director	$64.12	4,000	$256,480.40	39,964	2026-02-03	Filing

Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	7,556,770	$507,210,415	0.01%
2.	Fmr Llc	3,678,108	$246,874,581	0.01%
3.	Vanguard Portfolio Management Llc	3,549,062	$238,213,041	0.01%
4.	Neuberger Berman Group Llc	3,456,640	$232,009,684	0.15%
5.	State Street Corp	3,313,651	$223,932,751	0.01%

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