Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 11 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

11 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 14, 2005 CBU S 1,000 $23.98 $23,980 1,227 Direct -44.90% Disposed 150.8% (price as of 2026-10-05)
Dec. 14, 2005 CBU S 1,127 $23.99 $27,037 100 Direct -91.85% Disposed 150.6% (price as of 2026-10-05)
Dec. 9, 2005 CBU S 1,000 $23.99 $23,990 2,227 Direct -30.99% Disposed 150.6% (price as of 2026-10-05)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 15, 2022 CBU Stock Option Common Stock (1,268) $72.51 March 15, 2032 1,268 Acquired
March 16, 2021 CBU Stock Option Common Stock (1,807) $79.66 March 16, 2031 1,807 Acquired
June 16, 2005 CBU Stock Option Common Stock (1,248) $11.56 Jan. 1, 2010 1,248 Disposed
June 16, 2005 CBU Stock Option Common Stock (1,579) $12.38 Jan. 1, 2011 1,579 Disposed
Jan. 19, 2005 CBU Stock Option Common Stock (6,521) $24.84 Jan. 19, 2015 6,521 Acquired

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

Initial ownership (Form 3) 14 holdings

07

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

DateTickerSecuritySharesOwnership
Feb. 22, 2021 CBU Common Stock 1,789 Direct
Feb. 22, 2021 CBU Common Stock 3,164 Indirect
Feb. 22, 2021 CBU Stock Option→ Common Stock (793) 793 Direct
Feb. 22, 2021 CBU Stock Option→ Common Stock (925) 925 Direct
Feb. 22, 2021 CBU Stock Option→ Common Stock (1,812) 1,812 Direct
Feb. 22, 2021 CBU Stock Option→ Common Stock (3,007) 3,007 Direct
Feb. 22, 2021 CBU Stock Option→ Common Stock (1,456) 1,456 Direct
Oct. 29, 2004 CBU Common Stock 400 Direct
Oct. 29, 2004 CBU Common Stock · Indirect
Oct. 29, 2004 CBU Stock Option→ Common Stock (1,248) 1,248 Direct
Oct. 29, 2004 CBU Stock Option→ Common Stock (3,158) 3,158 Direct
Oct. 29, 2004 CBU Stock Option→ Common Stock (5,314) 5,314 Direct
Oct. 29, 2004 CBU Stock Option→ Common Stock (9,348) 9,348 Direct
Oct. 29, 2004 CBU Stock Option→ Common Stock (8,232) 8,232 Direct