Michael N Abdo

CIK 1933852 · View on SEC EDGAR ↗

Insider

First SEC filing: July 1, 2022 · Latest: March 19, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 23 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

No open-market trades on record; showing all filings.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 17, 2026 CBU A 5,246 5,246 Direct Acquired (price as of 2026-08-18)
March 17, 2026 CBU A 1,373 1,373 Direct Acquired (price as of 2026-08-18)
March 4, 2026 CBU F 707 $59.87 $42,328 8,010 Direct -8.11% Disposed 7.9% (price as of 2026-08-18)
March 4, 2026 CBU A 1,948 8,717 Direct +28.78% Acquired (price as of 2026-08-18)
March 2, 2026 CBU F 485 $60.55 $29,367 6,769 Direct -6.69% Disposed 6.7% (price as of 2026-08-18)
Jan. 30, 2026 CBU M 2,287 0 Direct -100.00% Disposed (price as of 2026-08-18)
Jan. 30, 2026 CBU F 1,763 $62.44 $110,082 7,254 Direct -19.55% Disposed 3.5% (price as of 2026-08-18)
Jan. 30, 2026 CBU M 2,287 $38.02 $86,952 9,017 Direct +33.98% Acquired 69.9% (price as of 2026-08-18)
March 18, 2025 CBU A 4,898 4,898 Direct Acquired (price as of 2026-08-18)
March 18, 2025 CBU A 1,326 6,730 Direct +24.54% Acquired (price as of 2026-08-18)
March 3, 2025 CBU F 432 $63.29 $27,341 5,404 Direct -7.40% Disposed 2.1% (price as of 2026-08-18)
Nov. 26, 2024 CBU M 2,100 0 Direct -100.00% Disposed (price as of 2026-08-18)
Nov. 26, 2024 CBU F 1,422 $71.45 $101,602 5,836 Direct -19.59% Disposed -9.6% (price as of 2026-08-18)
Nov. 26, 2024 CBU M 2,100 7,258 Direct +40.71% Acquired (price as of 2026-08-18)
March 19, 2024 CBU A 4,750 4,750 Direct Acquired (price as of 2026-08-18)
March 19, 2024 CBU A 1,325 5,158 Direct +34.57% Acquired (price as of 2026-08-18)
March 7, 2024 CBU M 700 0 Direct -100.00% Disposed (price as of 2026-08-18)
March 7, 2024 CBU M 700 $37.77 $26,439 3,833 Direct +22.34% Acquired 71.1% (price as of 2026-08-18)
March 1, 2024 CBU F 237 $45.30 $10,736 3,133 Direct -7.03% Disposed 42.6% (price as of 2026-08-18)
May 11, 2023 CBU I 602 $44.86 $27,006 1,196 Indirect +101.35% Acquired 44.0% (price as of 2026-08-18)
March 14, 2023 CBU A 3,192 3,192 Direct Acquired (price as of 2026-08-18)
March 14, 2023 CBU A 875 3,370 Direct +35.07% Acquired (price as of 2026-08-18)
March 8, 2023 CBU F 158 $61.05 $9,646 2,495 Direct -5.96% Disposed 5.8% (price as of 2026-08-18)

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 (5,246) $56.64 March 17, 2036 5,246 Acquired
March 17, 2026 CBU Restricted Stock Units Common Stock (1,373) 1,373 Acquired
Jan. 30, 2026 CBU Stock Option Common Stock (2,287) $38.02 March 16, 2026 2,287 Disposed
March 18, 2025 CBU Stock Option Common Stock (4,898) $58.10 March 18, 2035 4,898 Acquired
Nov. 26, 2024 CBU Stock Option Common Stock (2,100) $35.36 March 18, 2025 2,100 Disposed
March 19, 2024 CBU Stock Option Common Stock (4,750) $44.27 March 19, 2034 4,750 Acquired
March 7, 2024 CBU Stock Option Common Stock (700) $37.77 March 19, 2024 700 Disposed
March 14, 2023 CBU Stock Option Common Stock (3,192) $54.06 March 14, 2033 3,192 Acquired

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

Initial ownership (Form 3) 11 holdings

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

Date Ticker Security Shares Ownership
July 1, 2022 CBU Common Stock 2,653 Direct
July 1, 2022 CBU Common Stock 290 Indirect
July 1, 2022 CBU Stock Option→ Common Stock (700) 700 Direct
July 1, 2022 CBU Stock Option→ Common Stock (2,100) 2,100 Direct
July 1, 2022 CBU Stock Option→ Common Stock (2,287) 2,287 Direct
July 1, 2022 CBU Stock Option→ Common Stock (1,343) 1,343 Direct
July 1, 2022 CBU Stock Option→ Common Stock (1,425) 1,425 Direct
July 1, 2022 CBU Stock Option→ Common Stock (1,338) 1,338 Direct
July 1, 2022 CBU Stock Option→ Common Stock (2,475) 2,475 Direct
July 1, 2022 CBU Stock Option→ Common Stock (1,487) 1,487 Direct
July 1, 2022 CBU Stock Option→ Common Stock (1,573) 1,573 Direct