Oil-Dri VP Lamson has 2,228 shares withheld for taxes

After the tax withholding, the Group Vice President directly held 58,244 shares.

Rhea-AI Filing Summary

Oil-Dri Corp of America (ODC) Group Vice President Christopher B. Lamson had 2,228 shares of common stock withheld on October 19, 2026, to cover tax liability arising from vesting of restricted stock issued in accordance with Rule 16b-3. The reported price was $70.49 per share. He directly held 58,244 shares following the transaction.

Insider Trade Summary

Tax Withholding: 2,228 shares

Tax Withholding 1 txn

Insider Lamson Christopher B

Role Group Vice President

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	2,228	$70.49	$157K

Holdings After Transaction: Common Stock — 58,244 shares (Direct)

Footnotes (1)

1. F1. Shares withheld for the purpose of covering tax liability incident to the vesting of restricted stock issued in accordance with Rule 16b-3.

Key Figures

Shares withheld for tax liability: 2,228 shares Reported price per share: $70.49 per share Direct shares following transaction: 58,244 shares

3 metrics

Shares withheld for tax liability 2,228 shares October 19, 2026

Reported price per share $70.49 per share October 19, 2026 transaction

Direct shares following transaction 58,244 shares Following the October 19, 2026 transaction

Key Terms

restricted stock, Rule 16b-3, tax liability

3 terms

restricted stock financial

"vesting of restricted stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Rule 16b-3 regulatory

"issued in accordance with Rule 16b-3"

Rule 16b-3 is a Securities and Exchange Commission regulation that exempts certain routine, pre-approved transactions by company insiders from automatic liability for short-term trading profits. It acts like a safe harbor: if an insider follows a formal plan or the board approves specific transactions in advance, profits from buying and selling company stock within six months are not automatically reclaimed. Investors care because the rule clarifies when insider trades are permissible and reduces uncertainty about potential clawbacks.

tax liability financial

"covering tax liability incident to the vesting"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ODC shares did Christopher B. Lamson have withheld?

Christopher B. Lamson, Oil-Dri Corp of America’s Group Vice President, had 2,228 shares of common stock withheld on October 19, 2026, to cover tax liability from restricted-stock vesting. The reported price was $70.49 per share, and his direct holdings afterward were 58,244 shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/20/2026 - 05:45 PM EDT Accepted by SEC EDGAR 10/20/2026 - 05:45 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lamson Christopher B

(Last) (First) (Middle)

410 N. MICHIGAN AVENUE

SUITE 400

(Street)

CHICAGO ILLINOIS 60611-4213

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Oil-Dri Corp of America [ ODC ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/19/2026

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/19/2026		F(1)		2,228	D	$70.49	58,244	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares withheld for the purpose of covering tax liability incident to the vesting of restricted stock issued in accordance with Rule 16b-3.

Remarks:

	/s/ Anthony W. Parker by Power of Attorney	10/20/2026
	** 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 4 (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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)