SUI · Sun Communities Inc · Insider Trading

Restricted stock. 6,374 of the shares are subject to time vesting: 2,125 of these time vesting shares vest on each of September 8, 2027 and 2028; and 2,124 on September 8, 2029.

Each performance right represents a contingent right to receive one share of common stock of Sun Communities, Inc (the "Company"). The target number of shares of common stock is set forth in columns 5 and 7 of Table II. Between 0% and 200% of the target number will be earned based on the achievement of performance criteria related to the Company's total shareholder return relative to industry indices and to certain of the Company's financial results over a three-year performance period. Any shares that do not vest at the end of the performance period will be forfeited.

Each performance right represents a contingent right to receive one share of common stock of Sun Communities, Inc (the "Company"). The target number of shares of common stock is set forth in columns 5 and 7 of Table II. Between 0% and 200% of the target number will be earned based on the achievement of performance criteria related to the Company's total shareholder return relative to industry indices and to certain of the Company's financial results over a three-year performance period. Any shares that do not vest at the end of the performance period will be forfeited.

Restricted stock: all shares are subject to time vesting; 908 of these time vesting shares vest on June 29, 2027; and 907 on each of June 29, 2028 and 2029.

The price reported in Column 4 is a volume weighted average price. These shares were sold in multiple transactions with prices ranging from $119.75 to $120.05, inclusive. The reporting person undertakes to provide to Sun Communities, Inc., any security holder of Sun Communities, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a volume weighted average price. These shares were sold in multiple transactions with prices ranging from $124.96 to $125.00, inclusive. The reporting person undertakes to provide to Sun Communities, Inc., any security holder of Sun Communities, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

On May 26, 2026, the Reporting Person gifted 910 shares of common stock to a qualified education institution.

On May 26, 2026, the Reporting Person gifted 209 shares of common stock to a qualified religious organization.

The price reported in Column 4 is a volume weighted average price. These shares were sold in multiple transactions with prices ranging from $123.91 to $124.89, inclusive. The reporting person undertakes to provide to Sun Communities, Inc., any security holder of Sun Communities, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Restricted stock: all shares are subject to time vesting; 1,752 of these time vesting shares vest on each of March 27, 2027, 2028, and 2029.

Restricted stock: all shares are subject to time vesting; 1,593 of these time vesting shares vest on each of March 27, 2027 and 2028, and 1,592 shares vest on March 27, 2029.

Each performance right represents a contingent right to receive one share of common stock of Sun Communities, Inc (the "Company"). The target number of shares of common stock is set forth in columns 5 and 7 of Table II. Between 0% and 200% of the target number will be earned based on the achievement of performance criteria related to the Company's total shareholder return relative to industry indices and to certain of the Company's financial results over a three-year performance period. Any shares that do not vest at the end of the performance period will be forfeited.

Each performance right represents a contingent right to receive one share of common stock of Sun Communities, Inc (the "Company"). The target number of shares of common stock is set forth in columns 5 and 7 of Table II. Between 0% and 200% of the target number will be earned based on the achievement of performance criteria related to the Company's total shareholder return relative to industry indices and to certain of the Company's financial results over a three-year performance period. Any shares that do not vest at the end of the performance period will be forfeited.

Each performance right represents a contingent right to receive one share of common stock of Sun Communities, Inc (the "Company"). The target number of shares of common stock is set forth in columns 5 and 7 of Table II. Between 0% and 200% of the target number will be earned based on the achievement of performance criteria related to the Company's total shareholder return relative to industry indices and to certain of the Company's financial results over a three-year performance period. Any shares that do not vest at the end of the performance period will be forfeited.

Restricted stock: all shares are subject to time vesting: 4,778 of these time vesting shares vest on each of March 27, 2027, 2028, and 2029.

Restricted stock: all shares are subject to time vesting; 797 of these time vesting shares vest on each of March 27, 2027, and 796 shares vest on March 27, 2028 and 2029.

Each performance right represents a contingent right to receive one share of common stock of Sun Communities, Inc (the "Company"). The target number of shares of common stock is set forth in columns 5 and 7 of Table II. Between 0% and 200% of the target number will be earned based on the achievement of performance criteria related to the Company's total shareholder return relative to industry indices and to certain of the Company's financial results over a three-year performance period. Any shares that do not vest at the end of the performance period will be forfeited.

Restricted stock. 5,185 of the shares are subject to time vesting; 1,729, 1,728, and 1,728 of these time vesting shares vest on each of March 12, 2027, 2028, and 2029, respectively.

Restricted stock. 296 of the shares are subject to time vesting; 99 of these time vesting shares vest on each of March 12, 2027 and 2028, and 98 shares vest on March 12, 2029.

The price reported in Column 4 is a volume weighted average price. These shares were sold in multiple transactions with prices ranging from $136.01 to $136.15, inclusive. The reporting person undertakes to provide to Sun Communities, Inc., any security holder of Sun Communities, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a volume weighted average price. These shares were sold in multiple transactions with prices ranging from $136.07 to $136.19, inclusive. The reporting person undertakes to provide to Sun Communities, Inc., any security holder of Sun Communities, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The Reporting Person disclaims beneficial ownership of such shares.

The price reported in Column 4 is a volume weighted average price. These shares were sold in multiple transactions with prices ranging from $136.60 to $136.77, inclusive. The reporting person undertakes to provide to Sun Communities, Inc., any security holder of Sun Communities, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Restricted stock. All shares vest on February 5, 2029, provided that the reporting person remains a director of Sun Communities, Inc. or a subsidiary.

Restricted stock. All shares vest on February 5, 2029, provided that the reporting person remains a director of Sun Communities, Inc. or a subsidiary.