{"transactions":[{"id":763035,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":44051,"kind":"person","name":"Rummel Jeffrey M.","position":1,"cik":"0002110084","reported_name":"Rummel Jeffrey M.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2026-05-27T18:01:30.000Z","date":"2026-04-29","kind":"grant","planned":false,"acquired":true,"shares":630,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each deferred stock unit represents the right to receive one share of Cullen/Frost Bankers, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The deferred stock units vested on April 29,  2026. Shares will be delivered to the reporting person on the date when the reporting person experiences a separation from service with Cullen/Frost Bankers, Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The deferred stock units vested on April 29,  2026. Shares will be delivered to the reporting person on the date when the reporting person experiences a separation from service with Cullen/Frost Bankers, Inc."}],"balance_after":630,"derivative":{"underlying":"Common  Stock, $0.01 par value","underlying_shares":630},"source":{"system":"sec-edgar","filing":"0002110084-26-000004","document":"wk-form4_1779904888.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000211008426000004/wk-form4_1779904888.xml","form_type":"4"}}]}