DONALDSON Co INC (DCI) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-07

DONALDSON Co INC (DCI) has filed 4 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-07. 1 Form 8-K material event filings were reported by DCI in the last 90 days. InsiderAlpha tracks every DCI SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About DONALDSON Co INC (DCI)

SIC classification	Industrial & Commercial Fans & Blowers & Air Purifing Equip (SIC 3564)
SEC CIK	0000029644

90-Day SEC Filing Activity

Form 4 filings (90d)	4
Form 8-K filings (90d)	1
Latest Form 4 filing	2026-07-07

Recent DCI Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-07-03	Owens James	Director	A — Grant or award	267	$89.09	$24K	SEC
2026-07-03	Hilger Christopher M.	Director	A — Grant or award	400	$89.09	$36K	SEC
2026-07-03	Rautio Trudy A.	Director	A — Grant or award	334	$89.09	$30K	SEC
2026-07-03	Smiley Jacinth C	Director	A — Grant or award	267	$89.09	$24K	SEC
2026-04-14	Owens James	Director	S — Open-market sale	7.2K	$89.21	$638K	SEC
2026-04-14	Owens James	Director	M — Option exercise	7.2K	$42.26	$302K	SEC
2026-04-14	Owens James	Director	M — Option exercise	6.6K	$48.96	$323K	SEC
2026-04-14	Owens James	Director	S — Open-market sale	6.6K	$89.21	$589K	SEC
2026-04-13	Owens James	Director	M — Option exercise	5.9K	$42.26	$250K	SEC
2026-04-13	Owens James	Director	S — Open-market sale	5.9K	$89.02	$527K	SEC
2026-04-10	Owens James	Director	S — Open-market sale	126	$88.82	$11K	SEC
2026-04-10	Owens James	Director	M — Option exercise	126	$42.26	$5K	SEC
2026-04-03	Rautio Trudy A.	Director	A — Grant or award	349	$85.23	$30K	SEC
2026-04-03	Owens James	Director	A — Grant or award	279	$85.23	$24K	SEC
2026-04-03	Hilger Christopher M.	Director	A — Grant or award	418	$85.23	$36K	SEC

All transactions sourced from SEC EDGAR Form 4 filings for DONALDSON Co INC (DCI). Updated in real time as new filings are submitted to the SEC.

Most-Active DCI Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Rautio Trudy A.	1	$30K
Owens James	1	$24K
Smiley Jacinth C	1	$24K
Hilger Christopher M.	1	$36K

Recent DCI Form 8-K Material Events

2026-06-01 — Item 2.02, 9.01 [SEC]
2026-04-10 — Item 1.01, 2.03, 9.01 · Financing · neutral [SEC]
Donaldson Company entered into a new $400 million three-year unsecured term loan credit facility with Wells Fargo as administrative agent on April 8, 2026. The facility is undrawn as of the filing date and includes standard financial covenants based on interest coverage and debt-
2026-02-25 — Item 2.02, 9.01 · Earnings · neutral [SEC]
Donaldson Company issued a press release on February 26, 2026 announcing its financial results for the quarter ended January 31, 2026. The 8-K provides no detail on whether results beat, missed, or met expectations, nor does it contain guidance changes or surprise language. This

Recent Insider Filings

2026-07-07 — Smiley Jacinth C (Director)
2026-07-07 — Rautio Trudy A. (Director)
2026-07-07 — Owens James (Director)
2026-07-07 — Hilger Christopher M. (Director)
2026-04-14 — Owens James (Director)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in DCI insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

DCI Insider Trading — FAQ

What is the latest insider trade for DCI?: DONALDSON Co INC (DCI) had 4 insider filings in the last 90 days, with the most recent on 2026-07-07. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying DCI stock?: 0 insider purchases of DCI were filed in the last 90 days.
How many insiders are selling DCI stock?: 0 insider sales of DCI were filed in the last 90 days.
Where can I see DCI SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every DCI SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live DCI dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.