Grupo Cibest S.A.’s preferred-share ADRs (NYSE: CIB) traded lower on Monday, May 4, 2026, down roughly 3% intraday around the mid-$65 range after opening higher and then selling off. The day’s range showed heightened volatility, with the shares moving from about $67.7 at the high to near $65.0 at the low, consistent with traders reducing risk into a key calendar catalyst.

No fresh, widely circulated corporate headline explaining the drop emerged in the latest filings and major market feeds reviewed for the session. Instead, the selling pressure appears tied to positioning ahead of an expected earnings event window flagged by market calendars, which can prompt short-term de-risking, hedging, and profit-taking—especially in higher-yielding financial ADRs where sentiment can shift quickly into the print.

While not a same-day trigger, investors have been digesting Grupo Cibest’s recently disclosed framework for a new share repurchase program authorizing up to COP 1.35 trillion of buybacks over three years (through April 21, 2029), which can influence expectations around capital returns and valuation support. Separately, dividend timing has been a focus since the most recent ex-dividend date period occurred at the end of March 2026, meaning Monday’s move is unlikely to be purely a dividend-related technical reset.