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person · Reporting owner

Lamson Christopher B

Disclosed activity across 1 company

Tapewire entity
69108
SEC CIK
0001907830

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Oil-Dri Corp of AmericaODC · Entity 8797Group Vice PresidentJanuary 20, 2026January 21, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Oil-Dri Corp of America

Report date January 20, 2026 · Filed January 21, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect60,472 Reported balance After 2026-01-20 transaction · row 1
1 source row

Row 1 · 2026-01-20 · Tax withholding · Disposed 3,528 · Balance 60,472

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

Filing footnotes · ownership attribution and instrument terms

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

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
January 20, 2026 Filed Jan 21, 2026 21:05 UTC Oil-Dri Corp of America ODC · Entity 8797 Tax withholdingCommon Stock 3,528 $56.04 $197,709.12
Disclosure

SEC source: 0001628280-26-002870 · wk-form4_1769029500.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,472

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

Read SEC document
October 19, 2025 Filed Oct 21, 2025 20:06 UTC Oil-Dri Corp of America ODC · Entity 8797 GrantCommon Stock 8,000 $59.07 $472,560.00
Disclosure

SEC source: 0001628280-25-045684 · wk-form4_1761077173.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,000

F1 · kind: Restricted shares of Common Stock granted pursuant to the Oil-Dri Corporation of America 2006 Long Term Incentive Plan in a transaction exempt under rule 16b-3.

F2 · shares: The restricted shares of Common Stock are scheduled to "cliff" vest in full on October 19, 2030.

F3 · price: Based on the closing price of the shares on Monday, October 20, 2025, the first trading day following the grant date of this award, which fell on a weekend.

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July 21, 2025 Filed Jul 21, 2025 21:28 UTC Oil-Dri Corp of America ODC · Entity 8797 SaleCommon Stock 2,500 $61.75 $154,375.00
Disclosure

SEC source: 0000074046-25-000076 · wk-form4_1753133314.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: No plan indicated

Ownership: Indirect · Family Trust

Disclosed balance after: 11,453

F1 · security: The shares of Common Stock held by the reporting person prior to the transaction reported herein reflect a transfer of 13,953 shares previously reported as directly held by the reporting person to the reporting person's Family Trust on April 11, 2025. The transfer of shares to the Family Trust was a change in form of ownership and was not required to be reported on Form 4 pursuant to Rule 16a-13.

F2 · price: The reporting person executed a trade order through a broker-dealer resulting in multiple transactions at a range of prices from $61.66 to $62.04. The price reported above reflects the weighted average sale price rounded to the nearest cent. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

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January 23, 2025 Filed Jan 24, 2025 21:33 UTC Oil-Dri Corp of America ODC · Entity 8797 SaleCommon Stock 843 $42.46 $35,793.78
Disclosure

SEC source: 0000074046-25-000016 · wk-form4_1737754375.xml · nonDerivative · entry 2

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,953

Read SEC document
January 22, 2025 Filed Jan 24, 2025 21:33 UTC Oil-Dri Corp of America ODC · Entity 8797 SaleCommon Stock 3,154 $42.75 $134,833.50
Disclosure

SEC source: 0000074046-25-000016 · wk-form4_1737754375.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,796

Read SEC document
January 21, 2025 Filed Jan 24, 2025 00:01 UTC Oil-Dri Corp of America ODC · Entity 8797 Tax withholdingCommon Stock 3,552 $43.71 $155,257.92
Disclosure

SEC source: 0000074046-25-000013 · wk-form4_1737676885.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,950

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

Read SEC document
October 19, 2024 Filed Oct 21, 2024 21:44 UTC Oil-Dri Corp of America ODC · Entity 8797 GrantCommon Stock 3,500 $68.43 $239,505.00
Disclosure

SEC source: 0000074046-24-000079 · wk-form4_1729547069.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,751

F1 · kind: Restricted stock granted pursuant to the Oil-Dri Corporation of America 2006 Long Term Incentive Plan ("Plan") in a transaction exempt under rule 16b-3.

F2 · shares: The shares of Restricted Stock are scheduled to "cliff" vest in full on October 19, 2028.

F3 · price: Based on the closing price of the shares on Monday, October 21, 2024, the first trading day following the grant date of this award, which fell on a weekend.

Read SEC document
January 22, 2024 Filed Jan 24, 2024 22:19 UTC Oil-Dri Corp of America ODC · Entity 8797 Tax withholdingCommon Stock 1,249 $67.85 $84,744.65
Disclosure

SEC source: 0000074046-24-000006 · wk-form4_1706134782.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,251

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

Read SEC document
September 06, 2023 Filed Sep 8, 2023 20:46 UTC Oil-Dri Corp of America ODC · Entity 8797 GrantCommon Stock 4,000 $63.79 $255,160.00
Disclosure

SEC source: 0000074046-23-000042 · wk-form4_1694205993.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,500

F1 · kind: Restricted stock granted pursuant to the Oil-Dri Corporation of America 2006 Long Term Incentive Plan ("Plan") in a transaction exempt under rule 16b-3.

F2 · shares: The shares of Restricted Stock are scheduled to "cliff" vest in full on October 19, 2027.

Read SEC document
April 05, 2023 Filed Apr 6, 2023 20:34 UTC Oil-Dri Corp of America ODC · Entity 8797 GrantCommon Stock 28,000 $0.00 $0.00
Disclosure

SEC source: 0000074046-23-000017 · wf-form4_168081322800242.xml · nonDerivative · entry 2

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,500

F1 · kind: Restricted stock granted pursuant to the Oil-Dri Corporation of America 2006 Long Term Incentive Plan ("Plan") in a transaction exempt under rule 16b-3.

F2 · kind: On April 5, 2023, the Compensation Committee of the Board of Directors amended the vesting anniversary for restricted stock initially granted on January 31, 2022, and not previously vested from January 31st to January 20th. Such grant was initially made in the amount of 30,000 shares, of which 2,000 shares vested on January 31, 2023. Otherwise, no amendment was made to such grant.

F3 · shares: As amended, the shares shall vest as follows on the anniversaries of January 20, 2023: (i) 4,000 shares on January 20, 2024; (ii) 6,000 shares on January 20, 2025 and January 20, 2026; and (iii) 12,000 shares on January 20, 2027.

Read SEC document
April 05, 2023 Filed Apr 6, 2023 20:34 UTC Oil-Dri Corp of America ODC · Entity 8797 Disposition to issuerCommon Stock 28,000 $0.00 $0.00
Disclosure

SEC source: 0000074046-23-000017 · wf-form4_168081322800242.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,500

F1 · kind: Restricted stock granted pursuant to the Oil-Dri Corporation of America 2006 Long Term Incentive Plan ("Plan") in a transaction exempt under rule 16b-3.

F2 · kind: On April 5, 2023, the Compensation Committee of the Board of Directors amended the vesting anniversary for restricted stock initially granted on January 31, 2022, and not previously vested from January 31st to January 20th. Such grant was initially made in the amount of 30,000 shares, of which 2,000 shares vested on January 31, 2023. Otherwise, no amendment was made to such grant.

Read SEC document
October 18, 2022 Filed Oct 20, 2022 20:56 UTC Oil-Dri Corp of America ODC · Entity 8797 GrantCommon Stock 2,500 $27.37 $68,425.00
Disclosure

SEC source: 0000074046-22-000082 · wf-form4_166629935555216.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,500

F1 · kind: Restricted stock granted pursuant to the Oil-Dri Corporation of America 2006 Long Term Incentive Plan in a transaction exempt under rule 16b-3.

F2 · shares: The shares shall of Restricted Stock are scheduled to "cliff" vest in full on October 18, 2026.

Read SEC document
January 31, 2022 Filed Jan 31, 2022 21:55 UTC Oil-Dri Corp of America ODC · Entity 8797 GrantCommon Stock 30,000 $0.00 $0.00
Disclosure

SEC source: 0000074046-22-000010 · wf-form4_164366610756792.xml · nonDerivative · entry 1

Lamson Christopher B · CIK 0001907830 · Group VP of Retail & Wholesale

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

F1 · kind: Restricted stock granted pursuant to the Oil-Dri Corporation of America 2006 Long Term Incentive Plan in a transaction exempt under rule 16b-3.

F2 · shares: The shares shall vest as follows on the anniversaries of January 31, 2022: (i) 2,000 shares on the first anniversary, (ii) 4,000 shares on the second anniversary, (iii) 6,000 shares on each of the third and fourth anniversaries, and (iv) 12,000 shares on the fifth anniversary.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.