SEC Form 4 · Updated Daily

DCI

— DONALDSON COMPANY, INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
COOK WILLIAM M	Director	909,216	2016-03-22	M
Carpenter Tod E.	Director · Officer	336,830	2026-09-24	A
GIERTZ JAMES R	Officer	306,852	2006-09-15	F
LINNELL NORMAN C	Officer	207,981	2014-07-03	M
SCHWAB LOWELL F	Officer	178,002	2010-04-13	S
BASTIAENS F GUILLAUME	Director	140,669	2014-09-04	M
EUGSTER JACK W	Director	134,503	2012-08-29	M
DOLAN JANET M	Director	123,087	2014-09-08	M
NODDLE JEFFREY	Director	113,839	2017-09-11	M
Joppa Sandra N	Officer	86,886	2015-01-06	M
GRUNDHOFER JOHN F	Director	66,392	2012-09-19	G
HOFFMAN MICHAEL J	Director	65,543	2022-01-03	A
WIEHOFF JOHN	Director	63,917	2022-10-07	A
SCALF THOMAS R	Officer	56,834	2025-03-17	M
Becker Amy C	Officer	53,447	2026-09-24	A
Lewis Richard Brent	Officer	50,966	2026-09-24	A
Robinson Scott J.	Officer	50,183	2024-09-27	A
MILLER PAUL DAVID	Director	48,171	2015-11-30	M
Rajendra Ajita G	Director	44,997	2026-01-02	A
Briseno Guillermo	Officer	41,267	2026-03-26	M
Vann William I	Officer	32,397	2008-06-02	S
OBERTON WILLARD D	Director	29,834	2025-07-07	A
Kramer Sheila G.	Director	28,782	2024-09-27	A
Rautio Trudy A.	Director	28,541	2026-10-02	A
Spethmann Jeffrey E	Director	28,096	2022-09-22	A
Vermeersch Wim	Officer	24,669	2022-09-29	S
Owens James	Director	23,261	2026-10-02	A
Wilfong Debra L	Officer	18,090	2012-09-21	A
Shaw James F	Officer	17,013	2016-01-05	M
Cruz Pilar	Director	16,747	2026-01-02	A
Hilger Christopher M.	Director	16,692	2026-10-02	A
Driesen Bart C.	Officer	14,577	2026-09-24	A
Dahlgren Andrew C	Officer	10,504	2025-08-28	M
Perushek Mary Lynne	Officer	10,278	2016-07-27	A
Smiley Jacinth C	Director	8,540	2026-10-02	A
CECERE ANDREW	Director	8,216	2021-01-04	A
Wu Eugene	Officer	7,287	2014-09-19	A
Olson Richard M	Director · Officer	6,090	2026-01-02	A
MCMURRAY CHARLES J	Officer	5,612	2013-12-27	A
Keller Peter Joseph	Officer	4,000	2021-12-29	M
DeVincke Darcy J	Officer	3,701	2024-10-01	—
Pogalz Bradley J.	Officer	3,434	2026-08-27	M
Touw Geert Henk	Officer	3,246	2007-01-23	A
Ward Jay L	Officer	3,054	2015-12-30	A
Milroy Douglas A.	Director	2,473	2026-01-02	A
CEBULLA ANDREW J.	Officer	1,638	2025-06-09	F
VERHAGE THOMAS R	Director	1,261	2011-10-26	A
Shine Daniel P	Director	1,000	2026-01-02	A
Timm David W	Officer	949	2012-02-01	A
Osland Melissa A.	Officer	40	2018-10-09	A

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-10-02	Hilger Christopher M.	Grant / award	402	$88.65	16,692
2026-10-02	Owens James	Grant / award	268	$88.65	23,261
2026-10-02	Rautio Trudy A.	Grant / award	336	$88.65	28,541
2026-10-02	Smiley Jacinth C	Grant / award	268	$88.65	8,540
2026-10-01	Becker Amy C	Grant / award (derivative)	14,800	$0.00	14,800
2026-10-01	CEBULLA ANDREW J.	Grant / award (derivative)	4,624	$0.00	4,624
2026-10-01	DeVincke Darcy J	Grant / award (derivative)	10,400	$0.00	10,400
2026-10-01	Driesen Bart C.	Grant / award (derivative)	12,800	$0.00	12,800
2026-10-01	Lewis Richard Brent	Grant / award (derivative)	84,200	$0.00	84,200
2026-10-01	Pogalz Bradley J.	Grant / award (derivative)	24,100	$0.00	24,100
2026-09-24	Becker Amy C	Tax withholding	2,944	$86.60	50,503
2026-09-24	Becker Amy C	Grant / award	5,983	$0.00	53,447
2026-09-24	Carpenter Tod E.	Tax withholding	18,761	$86.60	318,069
2026-09-24	Carpenter Tod E.	Grant / award	38,131	$0.00	336,830
2026-09-24	Driesen Bart C.	Tax withholding	2,661	$86.60	11,916
2026-09-24	Driesen Bart C.	Grant / award	4,465	$0.00	14,577
2026-09-24	Lewis Richard Brent	Tax withholding	149	$86.60	50,817
2026-09-24	Lewis Richard Brent	Grant / award	6,340	$0.00	50,966
2026-09-04	Carpenter Tod E.	Option exercise (derivative)	31,968	$0.00	131,500
2026-09-04	Carpenter Tod E.	Open-market sale	31,968	$91.10	298,699
2026-09-04	Carpenter Tod E.	Option exercise	31,968	$42.72	330,667
2026-08-31	Carpenter Tod E.	Option exercise (derivative)	3,032	$0.00	163,468
2026-08-31	Carpenter Tod E.	Open-market sale	3,032	$91.00	298,699
2026-08-31	Carpenter Tod E.	Option exercise	3,032	$42.72	301,731
2026-08-27	Pogalz Bradley J.	Option exercise (derivative)	3,000	$0.00	0
2026-08-27	Pogalz Bradley J.	Tax withholding	2,129	$91.84	1,305
2026-08-27	Pogalz Bradley J.	Option exercise	3,000	$42.72	3,434
2026-07-03	Hilger Christopher M.	Grant / award	400	$89.09	16,244
2026-07-03	Owens James	Grant / award	267	$89.09	22,913
2026-07-03	Rautio Trudy A.	Grant / award	334	$89.09	28,106
2026-07-03	Smiley Jacinth C	Grant / award	267	$89.09	8,243
2026-04-14	Owens James	Option exercise (derivative)	7,153	$0.00	0
2026-04-14	Owens James	Option exercise	6,600	$48.96	29,165
2026-04-14	Owens James	Open-market sale	7,153	$89.21	22,565
2026-04-14	Owens James	Option exercise	7,153	$42.26	29,718
2026-04-13	Owens James	Option exercise (derivative)	5,921	$0.00	7,153
2026-04-13	Owens James	Open-market sale	5,921	$89.02	22,565
2026-04-13	Owens James	Option exercise	5,921	$42.26	28,486
2026-04-10	Owens James	Option exercise (derivative)	126	$0.00	13,074
2026-04-10	Owens James	Open-market sale	126	$88.82	22,565

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.