Dimitar Karaivanov

Insider

First SEC filing: June 14, 2021 · Latest: March 19, 2026

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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 buying June 13, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 30 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

30 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 17, 2026	CBU	A	23,984	—	—	23,984 Direct	—	Acquired	(price as of 2026-08-21)
March 17, 2026	CBU	A	6,277	—	—	6,277 Direct	—	Acquired	(price as of 2026-08-21)
March 4, 2026	CBU	F	2,825	$59.87	$169,133	23,657 Direct	-10.67%	Disposed	6.1% (price as of 2026-08-21)
March 4, 2026	CBU	A	5,224	—	—	26,482 Direct	+24.57%	Acquired	(price as of 2026-08-21)
March 2, 2026	CBU	F	2,501	$60.55	$151,436	21,258 Direct	-10.53%	Disposed	4.9% (price as of 2026-08-21)
March 18, 2025	CBU	A	4,529	—	—	4,529 Direct	—	Acquired	(price as of 2026-08-21)
March 18, 2025	CBU	A	16,725	—	—	35,955 Direct	+86.97%	Acquired	(price as of 2026-08-21)
March 18, 2025	CBU	A	16,725	—	—	16,725 Direct	—	Acquired	(price as of 2026-08-21)
March 18, 2025	CBU	A	4,529	—	—	23,759 Direct	+23.55%	Acquired	(price as of 2026-08-21)
March 12, 2025	CBU	F	1,834	—	—	19,230 Direct	-8.71%	Disposed	(price as of 2026-08-21)
March 7, 2025	CBU	A	3,392	—	—	21,064 Direct	+19.19%	Acquired	(price as of 2026-08-21)
March 3, 2025	CBU	F	1,981	$63.29	$125,377	17,672 Direct	-10.08%	Disposed	0.3% (price as of 2026-08-21)
June 13, 2024	CBU	P	1,000	$43.52	$43,520	19,653 Direct	+5.36%	Acquired	45.9% (price as of 2026-08-21)
June 4, 2024	CBU	F	1,951	$44.76	$87,327	18,653 Direct	-9.47%	Disposed	41.9% (price as of 2026-08-21)
March 19, 2024	CBU	A	19,114	—	—	19,114 Direct	—	Acquired	(price as of 2026-08-21)
March 19, 2024	CBU	A	5,332	—	—	20,604 Direct	+34.91%	Acquired	(price as of 2026-08-21)
March 1, 2024	CBU	F	993	$45.30	$44,983	15,272 Direct	-6.11%	Disposed	40.2% (price as of 2026-08-21)
Feb. 14, 2024	CBU	P	1,000	$43.70	$43,700	16,265 Direct	+6.55%	Acquired	45.3% (price as of 2026-08-21)
Sept. 7, 2023	CBU	P	1,000	$44.50	$44,500	15,265 Direct	+7.01%	Acquired	42.7% (price as of 2026-08-21)
Aug. 16, 2023	CBU	P	1,000	$48.50	$48,500	14,265 Direct	+7.54%	Acquired	30.9% (price as of 2026-08-21)
June 5, 2023	CBU	F	1,770	$53.05	$93,898	13,265 Direct	-11.77%	Disposed	19.7% (price as of 2026-08-21)
May 2, 2023	CBU	I	526	$47.50	$24,985	1,333 Indirect	+65.18%	Acquired	33.7% (price as of 2026-08-21)
March 24, 2023	CBU	I	469	$53.26	$24,979	774 Indirect	+153.77%	Acquired	19.2% (price as of 2026-08-21)
March 14, 2023	CBU	A	8,563	—	—	8,563 Direct	—	Acquired	(price as of 2026-08-21)
March 14, 2023	CBU	A	2,348	—	—	15,035 Direct	+18.51%	Acquired	(price as of 2026-08-21)
March 8, 2023	CBU	F	517	$61.05	$31,563	12,687 Direct	-3.92%	Disposed	4.0% (price as of 2026-08-21)
June 6, 2022	CBU	F	1,591	$67.17	$106,867	13,204 Direct	-10.75%	Disposed	-5.5% (price as of 2026-08-21)
March 15, 2022	CBU	A	6,166	—	—	6,166 Direct	—	Acquired	(price as of 2026-08-21)
March 15, 2022	CBU	A	6,166	—	—	6,166 Direct	—	Acquired	(price as of 2026-08-21)
March 15, 2022	CBU	A	1,534	—	—	14,795 Direct	+11.57%	Acquired	(price as of 2026-08-21)
March 4, 2022	CBU	F	265	$72.94	$19,329	13,261 Direct	-1.96%	Disposed	-12.9% (price as of 2026-08-21)
June 10, 2021	CBU	A	11,714	—	—	11,714 Direct	—	Acquired	(price as of 2026-08-21)
June 10, 2021	CBU	A	2,700	—	—	13,526 Direct	+24.94%	Acquired	(price as of 2026-08-21)
June 10, 2021	CBU	A	10,826	—	—	10,826 Direct	—	Acquired	(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	Stock Option	Common Stock (23,984)	$56.64	March 17, 2036	23,984	Acquired
March 17, 2026	CBU	Restricted Stock Units	Common Stock (6,277)	—	—	6,277	Acquired
March 18, 2025	CBU	Stock Option	Common Stock (4,529)	$58.10	March 18, 2035	4,529	Acquired
March 18, 2025	CBU	Stock Option	Common Stock (16,725)	$58.10	March 18, 2035	16,725	Acquired
March 19, 2024	CBU	Stock Option	Common Stock (19,114)	$44.27	March 19, 2034	19,114	Acquired
March 14, 2023	CBU	Stock Option	Common Stock (8,563)	$54.06	March 14, 2033	8,563	Acquired
March 15, 2022	CBU	Stock Option	Common Stock (6,166)	—	March 15, 2032	6,166	Acquired
March 15, 2022	CBU	Stock Option	Common Stock (6,166)	$72.51	March 15, 2032	6,166	Acquired
June 10, 2021	CBU	Stock Option	Common Stock (11,714)	$80.01	June 10, 2031	11,714	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
June 14, 2021	CBU	Common Stock	0	Direct