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Ownership Document |
Schema Version: X0306 |
Document Type: 4 |
Period of Report: 12/16/19 |
Issuer: |
| Issuer CIK: 354190 |
| Issuer Name: ARTHUR J. GALLAGHER & CO. |
| Issuer Trading Symbol: AJG |
Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1410235 |
| | Owner Name: Bay Walter D. |
| Reporting Owner Address: |
| | Owner Street 1: 2850 GOLF ROAD |
| | Owner Street 2: |
| | Owner City: ROLLING MEADOWS |
| | Owner State: IL |
| | Owner ZIP Code: 60008-4002 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Officer? Yes |
| | Officer Title: General Counsel |
Non-Derivative Table: |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 12/16/19 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: M |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 53,300 |
| | | Transaction Price Per Share: |
| Value: 46.87 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 67,644 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 12/16/19 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: F |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 38,206 |
| | | Transaction Price Per Share: |
| Value: 95.35 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 29,438 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 12/16/19 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: S |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 1944 |
| | | Transaction Price Per Share: |
| Value: 95.32 |
| Footnote ID: F1 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 27,494 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 12/17/19 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: S |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 13,150 |
| | | Transaction Price Per Share: |
| Value: 95.30 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 14,344 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
Derivative Table: |
| Derivative Transaction: |
| | Security Title: |
| | | Value: Non-qualified Stock Option |
| | Conversion or Exercise Price: |
| | | Value: 46.87 |
| | Transaction Date: |
| | | Value: 12/16/19 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: M |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 40,000 |
| | | Transaction Price Per Share: |
| Value: 0 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Exercise Date: |
| | | Footnote ID: F2 |
| | Expiration Date: |
| | | Value: 3/12/21 |
| | Underlying Security: |
| | | Underlying Security Title: |
| Value: Common Stock |
| | | Underlying Security Shares: |
| Value: 40,000 |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 0 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Derivative Transaction: |
| | Security Title: |
| | | Value: Non-qualified Stock Option |
| | Conversion or Exercise Price: |
| | | Value: 46.87 |
| | Transaction Date: |
| | | Value: 12/16/19 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: M |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 13,300 |
| | | Transaction Price Per Share: |
| Value: 0 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Exercise Date: |
| | | Footnote ID: F2 |
| | Expiration Date: |
| | | Value: 3/12/21 |
| | Underlying Security: |
| | | Underlying Security Title: |
| Value: Common Stock |
| | | Underlying Security Shares: |
| Value: 13,300 |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 0 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
Footnotes: |
| Footnote - F1: The price reported is an average weighted price. The shares were sold in multiple transactions at prices ranging from $93.30 to $95.33. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote |
| Footnote - F2: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date. |
Owner Signature: |
| Signature Name: /s/ April Hanes-Dowd, by power of attorney |
| Signature Date: 12/18/19 |