Guillermo Briseno Donaldson CO Inc (DCI) insider trading activity

Guillermo Briseno is President of DONALDSON CO INC. Currently has a direct ownership of 25,309 shares of DCI, which is worth approximately $2.05 Million. The most recent transaction as insider was on Sep 03, 2025, when has been sold 13,500 shares (Common Stock) at a price of $79.03 per share, resulting in proceeds of $1,066,905. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 25.3K

1.0% 3M change

15.19% 12M change

Total Value Held $2.05 Million

Guillermo Briseno Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 03 2025	SELL Open market or private sale	$1,066,905 $79.03 p/Share	13,500 Reduced 34.79%	25,309 Common Stock
Sep 03 2025	BUY Exercise of conversion of derivative security	$378,000 $28.0 p/Share	13,500 Added 25.81%	38,809 Common Stock
Sep 27 2024	BUY Grant, award, or other acquisition	-	3,087 Added 10.97%	25,058 Common Stock
Sep 03 2024	SELL Payment of exercise price or tax liability	$465,399 $72.73 p/Share	6,399 Reduced 22.56%	21,971 Employee Stock Option ...
Sep 03 2024	BUY Exercise of conversion of derivative security	$465,360 $38.78 p/Share	12,000 Added 29.73%	28,370 Employee Stock Option ...
Dec 06 2023	SELL Open market or private sale	$168,325 $61.5 p/Share	2,737 Reduced 14.48%	16,170 Common Stock
Dec 06 2023	BUY Exercise of conversion of derivative security	$168,200 $42.05 p/Share	4,000 Added 17.46%	18,907 Common Stock
Sep 21 2023	BUY Grant, award, or other acquisition	-	4,984 Added 25.06%	14,901 Common Stock

Guillermo Briseno

President

Minneapolis, MN

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells DCI shares.

Notify only if

Value

Insider Trading

Get notified when an Donaldson CO Inc insider buys or sells DCI shares.

Notify only if

Operation

Value

Type

News

Receive news related to DONALDSON CO INC

Track Activities on DCI

Account