Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 8 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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 4, 2026 CBSH M 220 $37.91 $8,340 1,850 Direct +13.50% Acquired 53.8% (price as of 2026-09-10)
Sept. 4, 2026 CBSH M 220 $39.14 $8,611 2,070 Direct +11.89% Acquired 48.9% (price as of 2026-09-10)
Sept. 4, 2026 CBSH F 23 $58.51 $1,346 2,047 Direct -1.11% Disposed -0.4% (price as of 2026-09-10)
Sept. 4, 2026 CBSH F 21 $58.52 $1,229 2,026 Direct -1.03% Disposed -0.4% (price as of 2026-09-10)
Sept. 4, 2026 CBSH D 143 $58.51 $8,367 1,883 Direct -7.06% Disposed -0.4% (price as of 2026-09-10)
Sept. 4, 2026 CBSH D 148 $58.52 $8,661 1,735 Direct -7.86% Disposed -0.4% (price as of 2026-09-10)
Sept. 4, 2026 CBSH M 220 · · 0 Direct -100.00% Disposed (price as of 2026-09-10)
Sept. 4, 2026 CBSH M 220 · · 0 Direct -100.00% Disposed (price as of 2026-09-10)

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
Sept. 4, 2026 CBSH Stock Appreciation Rights Common Stock (220) $37.91 March 2, 2027 220 Disposed
Sept. 4, 2026 CBSH Stock Appreciation Rights Common Stock (220) $39.14 March 1, 2028 220 Disposed

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

Initial ownership (Form 3) 8 holdings

07

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

DateTickerSecuritySharesOwnership
Sept. 9, 2026 CBSH Common Stock 1,630 Direct
Sept. 9, 2026 CBSH Stock Appreciation Rights→ Common Stock (220) 220 Direct
Sept. 9, 2026 CBSH Stock Appreciation Rights→ Common Stock (220) 220 Direct
Sept. 9, 2026 CBSH Stock Appreciation Rights→ Common Stock (286) 286 Direct
Sept. 9, 2026 CBSH Stock Appreciation Rights→ Common Stock (270) 270 Direct
Sept. 9, 2026 CBSH Stock Appreciation Rights→ Common Stock (458) 458 Direct
Sept. 9, 2026 CBSH Stock Appreciation Rights→ Common Stock (275) 275 Direct
Sept. 9, 2026 CBSH Stock Appreciation Rights→ Common Stock (266) 266 Direct