Lewis Richard Brent Form 3 DONALDSON / Richard Brent Lewis ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Lewis Richard Brent

(Last) (First) (Middle)

1400 WEST 94TH STREET

(Street)

BLOOMINGTON MN 55431-2303

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/22/2017

3. Issuer Name and Ticker or Trading Symbol
DONALDSON CO INC [ DCI ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Vice President

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	2,000	D
Common Stock	2,575	I	By Benefit Plan Trust
Common Stock	343	I	By Benefit Plan Trust

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)	01/15/2009(1)	01/15/2019	Common Stock	2,000	15.87	D
Employee Stock Option (right to buy)	01/14/2010(1)	01/14/2020	Common Stock	4,000	21.14	D
Employee Stock Option (right to buy)	12/10/2010(1)	12/10/2020	Common Stock	3,000	29.07	D
Employee Stock Option (right to buy)	12/09/2011(1)	12/09/2021	Common Stock	4,000	34.88	D
Employee Stock Option (right to buy)	12/07/2012(1)	12/07/2022	Common Stock	3,500	33.58	D
Employee Stock Option (right to buy)	12/06/2013(1)	12/06/2023	Common Stock	3,000	42.05	D
Employee Stock Option (right to buy)	12/05/2014(1)	12/05/2024	Common Stock	3,000	38.78	D
Employee Stock Option (right to buy)	06/30/2015(1)	06/30/2025	Common Stock	10,000	35.8	D
Employee Stock Option (right to buy)	12/17/2015(1)	12/17/2025	Common Stock	13,500	28	D
Employee Stock Option (right to buy)	12/16/2016(1)	12/16/2026	Common Stock	12,000	42.72	D

Explanation of Responses:

1. The option vests in three equal annual installments commencing one year from grant date.

Remarks:

	Amy C. Becker, Attorney-in-Fact for Richard B. Lewis	10/02/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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