John F. Whipple

Insider

First SEC filing: March 18, 2026 · Latest: March 18, 2026

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

CBU selling Feb. 4, 2026

Insider transactions

0 buys (P) 1 sells (S) Net: $-276,712 + 69 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

69 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 17, 2026	CBU	A	1,220	—	—	6,633 Direct	+22.54%	Acquired	(price as of 2026-08-21)
Feb. 4, 2026	CBU	M	4,246	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 4, 2026	CBU	S	4,246	$65.17	$276,712	8,506 Direct	-33.30%	Disposed	-2.6% (price as of 2026-08-21)
Feb. 4, 2026	CBU	M	4,246	$38.02	$161,433	12,752 Direct	+49.92%	Acquired	67.0% (price as of 2026-08-21)
Dec. 1, 2025	CBU	M	1,370	—	—	8,506 Direct	+19.20%	Acquired	(price as of 2026-08-21)
Dec. 1, 2025	CBU	M	1,370	—	—	5,707 Direct	-19.36%	Disposed	(price as of 2026-08-21)
March 18, 2025	CBU	A	1,225	—	—	5,249 Direct	+30.44%	Acquired	(price as of 2026-08-21)
Dec. 2, 2024	CBU	M	1,313	—	—	6,849 Direct	-16.09%	Disposed	(price as of 2026-08-21)
Dec. 2, 2024	CBU	M	1,313	—	—	7,136 Direct	+22.55%	Acquired	(price as of 2026-08-21)
Nov. 25, 2024	CBU	M	3,937	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 25, 2024	CBU	S	3,937	$73.10	$287,795	5,823 Direct	-40.34%	Disposed	-13.1% (price as of 2026-08-21)
Nov. 25, 2024	CBU	M	3,937	$35.36	$139,212	9,760 Direct	+67.61%	Acquired	79.6% (price as of 2026-08-21)
March 19, 2024	CBU	A	1,395	—	—	3,899 Direct	+55.71%	Acquired	(price as of 2026-08-21)
March 7, 2024	CBU	F	2,923	$46.93	$137,176	5,823 Direct	-33.42%	Disposed	35.3% (price as of 2026-08-21)
March 7, 2024	CBU	M	3,631	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 7, 2024	CBU	M	3,631	$37.77	$137,143	8,746 Direct	+70.99%	Acquired	68.1% (price as of 2026-08-21)
Dec. 1, 2023	CBU	M	1,259	—	—	7,607 Direct	-14.20%	Disposed	(price as of 2026-08-21)
Dec. 1, 2023	CBU	M	1,259	$44.36	$55,849	5,115 Direct	+32.65%	Acquired	43.1% (price as of 2026-08-21)
March 14, 2023	CBU	A	1,154	—	—	2,410 Direct	+91.88%	Acquired	(price as of 2026-08-21)
Dec. 1, 2022	CBU	M	1,225	—	—	8,605 Direct	-12.46%	Disposed	(price as of 2026-08-21)
Dec. 1, 2022	CBU	M	1,225	—	—	3,856 Direct	+46.56%	Acquired	(price as of 2026-08-21)
March 15, 2022	CBU	A	644	—	—	1,223 Direct	+111.23%	Acquired	(price as of 2026-08-21)
Dec. 1, 2021	CBU	M	1,199	—	—	2,630 Direct	+83.79%	Acquired	(price as of 2026-08-21)
Dec. 1, 2021	CBU	M	1,199	—	—	9,776 Direct	-10.92%	Disposed	(price as of 2026-08-21)
March 16, 2021	CBU	A	569	—	—	569 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 18, 2020	CBU	M	4,631	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 18, 2020	CBU	M	2,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 18, 2020	CBU	S	6,631	$64.15	$425,379	1,432 Direct	-82.24%	Disposed	-1.0% (price as of 2026-08-21)
Dec. 18, 2020	CBU	M	4,631	$29.79	$137,957	8,063 Direct	+134.94%	Acquired	113.2% (price as of 2026-08-21)
Dec. 18, 2020	CBU	M	2,000	$28.78	$57,560	3,432 Direct	+139.66%	Acquired	120.6% (price as of 2026-08-21)
Dec. 1, 2020	CBU	M	1,163	—	—	10,724 Direct	-9.78%	Disposed	(price as of 2026-08-21)
Dec. 1, 2020	CBU	M	1,163	—	—	1,432 Direct	+432.34%	Acquired	(price as of 2026-08-21)
Oct. 28, 2020	CBU	A	796	—	—	796 Direct	—	Acquired	(price as of 2026-08-21)
March 17, 2020	CBU	A	3,171	—	—	3,171 Direct	—	Acquired	(price as of 2026-08-21)
March 20, 2019	CBU	A	2,388	—	—	2,388 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 21, 2018	CBU	M	2,566	—	—	2,000 Direct	-56.20%	Disposed	(price as of 2026-08-21)
Aug. 21, 2018	CBU	S	2,566	$66.27	$170,049	269 Direct	-90.51%	Disposed	-4.2% (price as of 2026-08-21)
Aug. 21, 2018	CBU	M	2,566	$28.78	$73,849	2,835 Direct	+953.90%	Acquired	120.6% (price as of 2026-08-21)
March 20, 2018	CBU	A	2,559	—	—	2,559 Direct	—	Acquired	(price as of 2026-08-21)
March 15, 2017	CBU	A	2,478	—	—	2,478 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 16, 2017	CBU	M	3,850	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 16, 2017	CBU	S	3,850	$59.97	$230,884	269 Direct	-93.47%	Disposed	5.9% (price as of 2026-08-21)
Feb. 16, 2017	CBU	M	3,850	$27.36	$105,336	4,119 Direct	+1431.23%	Acquired	132.1% (price as of 2026-08-21)
March 16, 2016	CBU	A	4,246	—	—	4,246 Direct	—	Acquired	(price as of 2026-08-21)
March 18, 2015	CBU	A	3,937	—	—	3,937 Direct	—	Acquired	(price as of 2026-08-21)
March 19, 2014	CBU	A	3,631	—	—	3,631 Direct	—	Acquired	(price as of 2026-08-21)
March 19, 2013	CBU	A	4,631	—	—	4,631 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 19, 2012	CBU	A	356	$27.38	$9,747	9,468 Direct	+3.91%	Acquired	131.9% (price as of 2026-08-21)
Nov. 26, 2012	CBU	A	37	$27.07	$1,002	9,112 Direct	+0.41%	Acquired	134.6% (price as of 2026-08-21)
Oct. 18, 2012	CBU	A	128	$27.27	$3,491	9,075 Direct	+1.43%	Acquired	132.9% (price as of 2026-08-21)
Sept. 27, 2012	CBU	A	419	$28.62	$11,992	8,866 Direct	+4.96%	Acquired	121.9% (price as of 2026-08-21)
Aug. 30, 2012	CBU	A	160	$28.17	$4,507	8,447 Direct	+1.93%	Acquired	125.4% (price as of 2026-08-21)
July 20, 2012	CBU	A	130	$26.89	$3,496	8,287 Direct	+1.59%	Acquired	136.1% (price as of 2026-08-21)
June 21, 2012	CBU	A	241	$25.90	$6,242	8,082 Direct	+3.07%	Acquired	145.2% (price as of 2026-08-21)
May 18, 2012	CBU	A	170	$26.40	$4,488	7,841 Direct	+2.22%	Acquired	140.5% (price as of 2026-08-21)
March 21, 2012	CBU	A	382	$28.78	$10,994	7,603 Direct	+5.29%	Acquired	120.6% (price as of 2026-08-21)
March 21, 2012	CBU	A	4,566	—	—	4,566 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 30, 2012	CBU	P	200	$27.00	$5,400	269 Direct	+289.86%	Acquired	135.2% (price as of 2026-08-21)
Jan. 10, 2012	CBU	J	62	$28.43	$1,763	7,220 Direct	+0.87%	Acquired	123.4% (price as of 2026-08-21)
Dec. 23, 2011	CBU	A	429	$27.40	$11,755	7,159 Direct	+6.37%	Acquired	131.8% (price as of 2026-08-21)
Oct. 24, 2011	CBU	A	134	$26.16	$3,505	6,730 Direct	+2.03%	Acquired	142.7% (price as of 2026-08-21)
Sept. 26, 2011	CBU	A	558	$23.31	$13,007	6,529 Direct	+9.35%	Acquired	172.4% (price as of 2026-08-21)
July 25, 2011	CBU	A	101	$24.77	$2,502	5,971 Direct	+1.72%	Acquired	156.4% (price as of 2026-08-21)
June 27, 2011	CBU	A	296	$24.52	$7,258	5,817 Direct	+5.36%	Acquired	159.0% (price as of 2026-08-21)
May 27, 2011	CBU	A	223	$24.65	$5,497	5,521 Direct	+4.21%	Acquired	157.6% (price as of 2026-08-21)
March 22, 2011	CBU	A	488	$24.08	$11,751	5,252 Direct	+10.24%	Acquired	163.7% (price as of 2026-08-21)
Jan. 19, 2011	CBU	A	128	$27.36	$3,502	4,764 Direct	+2.76%	Acquired	132.1% (price as of 2026-08-21)
Jan. 19, 2011	CBU	A	3,850	—	—	3,850 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 20, 2010	CBU	A	316	$26.91	$8,504	4,598 Direct	+7.38%	Acquired	136.0% (price as of 2026-08-21)
Oct. 25, 2010	CBU	A	151	$23.23	$3,508	4,282 Direct	+3.66%	Acquired	173.4% (price as of 2026-08-21)
Sept. 24, 2010	CBU	A	413	$23.02	$9,507	4,093 Direct	+11.22%	Acquired	175.8% (price as of 2026-08-21)
July 22, 2010	CBU	A	42	$23.67	$994	3,681 Direct	+1.15%	Acquired	168.3% (price as of 2026-08-21)
June 25, 2010	CBU	A	270	$23.19	$6,261	3,605 Direct	+8.10%	Acquired	173.8% (price as of 2026-08-21)
May 7, 2010	CBU	A	201	$22.34	$4,490	3,336 Direct	+6.41%	Acquired	184.2% (price as of 2026-08-21)
March 25, 2010	CBU	A	361	$23.56	$8,505	3,109 Direct	+13.14%	Acquired	169.5% (price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
March 17, 2026	CBU	Phantom Stock (Deferred Stock Units)	Common Stock (1,220)	$0.00	—	1,220	Acquired
Feb. 4, 2026	CBU	Stock Option	Common Stock (4,246)	$38.02	March 16, 2026	4,246	Disposed
Dec. 1, 2025	CBU	Phantom Stock (Deferred Compensation)	Common Stock (1,370)	—	—	1,370	Disposed
March 18, 2025	CBU	Phantom Stock (Deferred Stock Units)	Common Stock (1,225)	$0.00	—	1,225	Acquired
Dec. 2, 2024	CBU	Phantom Stock (Deferred Compensation)	Common Stock (1,313)	—	—	1,313	Disposed
Nov. 25, 2024	CBU	Stock Option	Common Stock (3,937)	$35.36	March 18, 2025	3,937	Disposed
March 19, 2024	CBU	Phantom Stock (Deferred Stock Units)	Common Stock (1,395)	$0.00	—	1,395	Acquired
March 7, 2024	CBU	Stock Option	Common Stock (3,631)	$37.77	March 19, 2024	3,631	Disposed
Dec. 1, 2023	CBU	Phantom Stock (Deferred Compensation)	Common Stock (1,259)	—	—	1,259	Disposed
March 14, 2023	CBU	Phantom Stock (Deferred Stock Units)	Common Stock (1,154)	$0.00	—	1,154	Acquired
Dec. 1, 2022	CBU	Phantom Stock (Deferred Compensation)	Common Stock (1,225)	—	—	1,225	Disposed
March 15, 2022	CBU	Phantom Stock (Deferred Stock Units)	Common Stock (644)	$0.00	—	644	Acquired
Dec. 1, 2021	CBU	Phantom Stock (Deferred Compensation)	Common Stock (1,199)	—	—	1,199	Disposed
March 16, 2021	CBU	Phantom Stock (Deferred Stock Units)	Common Stock (569)	$0.00	—	569	Acquired
Dec. 18, 2020	CBU	Stock Option	Common Stock (4,631)	$29.79	March 19, 2023	4,631	Disposed
Dec. 18, 2020	CBU	Stock Option	Common Stock (2,000)	$28.78	March 21, 2022	2,000	Disposed
Dec. 1, 2020	CBU	Phantom Stock (Deferred Compensation)	Common Stock (1,163)	—	—	1,163	Disposed
Oct. 28, 2020	CBU	Stock Option	Common Stock (796)	$58.12	Oct. 28, 2030	796	Acquired
March 17, 2020	CBU	Stock Option	Common Stock (3,171)	$51.64	March 17, 2030	3,171	Acquired
March 20, 2019	CBU	Stock Option	Common Stock (2,388)	$59.41	March 20, 2029	2,388	Acquired
Aug. 21, 2018	CBU	Stock Option	Common Stock (2,566)	$28.78	March 21, 2022	2,566	Disposed
March 20, 2018	CBU	Stock Option	Common Stock (2,559)	$55.92	March 20, 2028	2,559	Acquired
March 15, 2017	CBU	Stock Option	Common Stock (2,478)	$57.12	March 15, 2027	2,478	Acquired
Feb. 16, 2017	CBU	Stock Option	Common Stock (3,850)	$27.36	Jan. 19, 2021	3,850	Disposed
March 16, 2016	CBU	Stock Option	Common Stock (4,246)	$38.02	March 16, 2026	4,246	Acquired
March 18, 2015	CBU	Stock Option	Common Stock (3,937)	$35.36	March 18, 2025	3,937	Acquired
March 19, 2014	CBU	Stock Option	Common Stock (3,631)	$37.77	March 19, 2024	3,631	Acquired
March 19, 2013	CBU	Stock Option	Common Stock (4,631)	$29.79	March 19, 2023	4,631	Acquired
Dec. 19, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (356)	—	—	356	Acquired
Nov. 26, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (37)	—	—	37	Acquired
Oct. 18, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (128)	—	—	128	Acquired
Sept. 27, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (419)	—	—	419	Acquired
Aug. 30, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (160)	—	—	160	Acquired
July 20, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (130)	—	—	130	Acquired
June 21, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (241)	—	—	241	Acquired
May 18, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (170)	—	—	170	Acquired
March 21, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (382)	—	—	382	Acquired
March 21, 2012	CBU	Stock Option	Common Stock (4,566)	$28.78	March 21, 2022	4,566	Acquired
Jan. 10, 2012	CBU	Phantom Stock (Deferred Compensation)	Common Stock (62)	—	—	62	Acquired
Dec. 23, 2011	CBU	Phantom Stock (Deferred Compensation)	Common Stock (429)	—	—	429	Acquired
Oct. 24, 2011	CBU	Phantom Stock (Deferred Compensation)	Common Stock (134)	—	—	134	Acquired
Sept. 26, 2011	CBU	Phantom Stock (Deferred Compensation)	Common Stock (558)	—	—	558	Acquired
July 25, 2011	CBU	Phantom Stock (Deferred Compensation)	Common Stock (101)	—	—	101	Acquired
June 27, 2011	CBU	Phantom Stock (Deferred Compensation)	Common Stock (296)	—	—	296	Acquired
May 27, 2011	CBU	Phantom Stock (Deferred Compensation)	Common Stock (223)	—	—	223	Acquired
March 22, 2011	CBU	Phantom Stock (Deferred Compensation)	Common Stock (488)	—	—	488	Acquired
Jan. 19, 2011	CBU	Phantom Stock (Deferred Compensation)	Common Stock (128)	—	—	128	Acquired
Jan. 19, 2011	CBU	Stock Option	Common Stock (3,850)	$27.36	Jan. 19, 2021	3,850	Acquired
Dec. 20, 2010	CBU	Phantom Stock (Deferred Compensation)	Common Stock (316)	—	—	316	Acquired
Oct. 25, 2010	CBU	Phantom Stock (Deferred Compensation)	Common Stock (151)	—	—	151	Acquired
Sept. 24, 2010	CBU	Phantom Stock (Deferred Compensation)	Common Stock (413)	—	—	413	Acquired
July 22, 2010	CBU	Phantom Stock (Deferred Compensation)	Common Stock (42)	—	—	42	Acquired
June 25, 2010	CBU	Phantom Stock (Deferred Compensation)	Common Stock (270)	—	—	270	Acquired
May 7, 2010	CBU	Phantom Stock (Deferred Compensation)	Common Stock (201)	—	—	201	Acquired
March 25, 2010	CBU	Phantom Stock (Deferred Compensation)	Common Stock (361)	—	—	361	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 5, 2010	CBU	Common Stock	69	Direct
March 5, 2010	CBU	Phantom Stock (Deferred Compensation)→ Common Stock (2,748)	2,748	Direct