Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 35 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

35 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 22, 2017 CBU S 405 $54.72 $22,162 0 Indirect -100.00% Disposed 8.9% (price as of 2026-10-06)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 22, 2023 CBU Phantom Stock (Deferred Compensation) Common Stock (216) · · 216 Acquired
June 15, 2023 CBU Phantom Stock (Deferred Stock Units) Common Stock (695) · · 695 Disposed
June 15, 2023 CBU Phantom Stock (Deferred Compensation) Common Stock (1,217) · · 1,217 Disposed
March 16, 2023 CBU Phantom Stock (Deferred Compensation) Common Stock (394) · · 394 Acquired
March 14, 2023 CBU Phantom Stock (Deferred Stock Units) Common Stock (1,154) · · 1,154 Acquired
Jan. 3, 2023 CBU Phantom Stock (Deferred Compensation under Merchants plan) Common Stock (7,521) · · 7,521 Disposed
Dec. 15, 2022 CBU Phantom Stock (Deferred Compensation) Common Stock (356) · · 356 Acquired
Sept. 22, 2022 CBU Phantom Stock (Deferred Compensation) Common Stock (309) · · 309 Acquired
June 16, 2022 CBU Phantom Stock (Deferred Compensation) Common Stock (319) · · 319 Acquired
March 17, 2022 CBU Phantom Stock (Deferred Compensation) Common Stock (275) · · 275 Acquired
March 15, 2022 CBU Phantom Stock (Deferred Stock Units) Common Stock (644) · · 644 Acquired
Dec. 16, 2021 CBU Phantom Stock (Deferred Compensation) Common Stock (261) · · 261 Acquired
Sept. 16, 2021 CBU Phantom Stock (Deferred Compensation) Common Stock (280) · · 280 Acquired
June 17, 2021 CBU Phantom Stock (Deferred Compensation) Common Stock (231) · · 231 Acquired
March 18, 2021 CBU Phantom Stock (Deferred Compensation) Common Stock (238) · · 238 Acquired
March 16, 2021 CBU Phantom Stock (Deferred Stock Units) Common Stock (569) · · 569 Acquired
Dec. 17, 2020 CBU Phantom Stock (Deferred Compensation) Common Stock (306) · · 306 Acquired
Oct. 28, 2020 CBU Phantom Stock (Deferred Stock Units) Common Stock (172) · · 172 Acquired
Sept. 17, 2020 CBU Phantom Stock (Deferred Compensation) Common Stock (345) · · 345 Acquired
June 18, 2020 CBU Phantom Stock (Deferred Compensation) Common Stock (353) · · 353 Acquired
March 19, 2020 CBU Phantom Stock (Deferred Compensation) Common Stock (332) · · 332 Acquired
March 17, 2020 CBU Phantom Stock (Deferred Stock Units) Common Stock (667) · · 667 Acquired
Dec. 19, 2019 CBU Phantom Stock (Deferred Compensation) Common Stock (266) · · 266 Acquired
Sept. 19, 2019 CBU Phantom Stock (Deferred Compensation) Common Stock (252) · · 252 Acquired
June 20, 2019 CBU Phantom Stock (Deferred Compensation) Common Stock (254) · · 254 Acquired
March 21, 2019 CBU Phantom Stock (Deferred Compensation) Common Stock (274) · · 274 Acquired
March 20, 2019 CBU Phantom Stock (Deferred Stock Units) Common Stock (576) · · 576 Acquired
Dec. 20, 2018 CBU Phantom Stock (Deferred Compensation) Common Stock (292) · · 292 Acquired
Sept. 20, 2018 CBU Phantom Stock (Deferred Compensation) Common Stock (256) · · 256 Acquired
June 28, 2018 CBU Phantom Stock (Deferred Compensation) Common Stock (273) · · 273 Acquired
March 22, 2018 CBU Phantom Stock (Deferred Compensation) Common Stock (299) · · 299 Acquired
March 20, 2018 CBU Phantom Stock (Deferred Stock Units) Common Stock (611) · · 611 Acquired

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

Initial ownership (Form 3) 5 holdings

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

DateTickerSecuritySharesOwnership
May 19, 2017 CBU Common Stock · Direct
May 19, 2017 CBU Common Stock · Indirect
May 19, 2017 CBU Common Stock · Indirect
May 19, 2017 CBU Common Stock · Indirect
May 19, 2017 CBU Common Stock · Indirect