Insider Selling Continues at Columbia Banking System The latest 4‑filing from Chair, President and CEO Stein Clint shows a sale of 9,789 common shares at $28.45 on March 1, 2026—just below the market close of $29.03. While the dollar value is modest, it is part of a broader pattern of frequent, small‑volume sales by Clint that has persisted through February. In the same week, other senior executives (e.g., EVP Chief Risk Officer Andrew Ognall and EVP Chief Credit Officer Frank Namdar) also sold between 1,300 and 3,800 shares each, indicating a general uptick in insider divestitures across the management team.

What This Means for Investors Frequent insider selling can be a red flag, but the context matters. CBS’s shares have been trading at a 52‑week high of $32.70 and a low of $19.61, with a current price near $29.86 and a P/E of 13.09—reasonable for a regional bank. The sales are small relative to total holdings (Clint’s post‑transaction stake remains >140 k shares, well above the 100‑share reporting threshold). Market sentiment is muted, with a slight negative price change and a sentiment score of –50, yet social buzz remains high (≈939 % intensity), suggesting that investors are paying close attention to insider activity. Unless insider sales are accompanied by earnings surprises or adverse news, the impact on the stock price is likely limited.

Clint’s Transaction Pattern Clint’s activity over the past two months shows a mix of buys and sells: a sizeable restricted‑stock‑unit purchase on February 18 (56,017 shares) followed by a series of common‑stock sales in early February. His net position has steadily declined from 185 k shares in late February to 140 k after the March sale, yet he retains a substantial block. Historically, Clint’s trades tend to be executed at market price and are often offset by purchases in the same filing, suggesting a strategy of gradual rebalancing rather than a panic sale. The recent sell aligns with a pattern of modest divestitures that may reflect portfolio diversification or cash‑flow needs.

Impact on Company Outlook CBS remains a regional bank with stable earnings and a modest valuation. The insider sales do not signal a fundamental shift in the company’s prospects; however, they do underline the importance of monitoring executive liquidity needs. If insider selling were to accelerate or coincide with negative earnings guidance, it could erode confidence. For now, investors can view the transactions as routine portfolio management, while keeping an eye on any future filings that might suggest a more aggressive divestiture strategy.

DateOwnerTransaction TypeSharesPrice per ShareSecurity
2026-03-01Stein Clint (Chair, President, CEO)Sell9,789.0028.45Common Stock
2026-03-01OGNALL ANDREW H (EVP Chief Risk Officer)Sell1,304.0028.45Common Stock
N/AOGNALL ANDREW H (EVP Chief Risk Officer)Holding2,635.00N/ACommon Stock
2026-03-01Nixon Torran B (Senior Executive VP)Sell2,980.0028.45Common Stock
N/ANixon Torran B (Senior Executive VP)Holding3,650.00N/ACommon Stock
N/ANixon Torran B (Senior Executive VP)Holding1,876.00N/ACommon Stock
2026-03-01Namdar Frank (EVP Chief Credit Officer)Sell1,808.0028.45Common Stock
N/ANamdar Frank (EVP Chief Credit Officer)Holding4,146.00N/ACommon Stock
2026-03-01Merrywell Christopher (Senior Executive VP)Sell3,230.0028.45Common Stock
2026-03-01Lakely Brock (EVP, Chief Accounting Officer)Sell391.0028.45Common Stock
2026-03-01Moore Devine David (EVP Chief Marketing Officer)Sell838.0028.45Common Stock
2026-03-01Deer Aaron James (EVP Chief Strategy/Innov Offcr)Sell918.0028.45Common Stock
2026-03-01BARUFFI KUMI YAMAMOTO (EVP General Counsel, Corp Sec)Sell1,799.0028.45Common Stock
2026-03-01Anderson Drew K (EVP Chief Admin Officer)Sell1,808.0028.45Common Stock