Donaldson Co. Inc.

DCI

Financials

10-KFY 202609/25/26 10-QQ3 ended 04/30/2606/02/26 10-QQ2 ended 01/31/2602/26/26 10-QQ1 ended 10/31/2512/04/25 10-KFY 202509/26/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report08/26/26 8-KCurrent report07/24/26 8-KCurrent report06/02/26 8-KCurrent report04/10/26

Prospectuses and Registrations

S-8Registration of securities for employees12/06/23 S-8 POSPost-effective amendment (S-8)07/31/20 S-8 POSPost-effective amendment (S-8)07/31/20 S-8 POSPost-effective amendment (S-8)07/31/20 S-8Registration of securities for employees06/03/20

Proxies

DEF 14ADefinitive proxy10/06/26 DEFA14AAdditional proxy materials10/06/26 DEF 14ADefinitive proxy10/06/25 DEFA14AAdditional proxy materials10/06/25 DEF 14ADefinitive proxy10/02/24

Ownership

Form 4Insider transaction10/05/26 Form 4Insider transaction10/05/26 Form 4Insider transaction10/05/26 Form 4Insider transaction10/05/26 Form 4Insider transaction10/05/26

Other

11-KEmployee stock purchase plan report06/18/26 SDConflict Minerals disclosure05/28/26 11-KEmployee stock purchase plan report06/05/25 SDConflict Minerals disclosure05/30/25 11-KEmployee stock purchase plan report06/26/24