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Insider Trading Arrangements
 3 Months Ended
Jun. 30, 2025
shares
Trading Arrangements, by Individual  
Material Terms of Trading Arrangement

On June 3, 2025, Jerrell Shelton, our Chief Executive Officer and Chairman of the Board of Directors, entered into a trading plan, which is not intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).  Mr. Shelton’s plan covers the potential sale of up to 356,064 shares of our common stock to be acquired upon the exercise of stock options that are expiring in August 2025. Transactions under Mr. Shelton’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of a cooling-off period.  Mr. Shelton’s plan will terminate on the earlier of August 11, 2025 or the date all shares subject to the plan have been sold.

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On June 10, 2025, Dr. Ramkumar Mandalam, a member of our Board of Directors, entered into a trading plan, which is not intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).  Dr. Mandalam’s plan covers the potential sale of up to 80,000

shares of our common stock to be acquired upon the exercise of stock options that are expiring in August 2025. Transactions under Dr. Mandalam’s plan are based upon pre-established dates and stock price thresholds and will only occur upon the expiration of a cooling-off period.  Dr. Mandalam’s plan will terminate on the earlier of August 14, 2025 or the date all shares subject to the plan have been sold.
Jerrell W. Shelton  
Trading Arrangements, by Individual  
Name Jerrell Shelton
Title Chief Executive Officer and Chairman
Rule 10b5-1 Arrangement Adopted true
Adoption Date June 3, 2025
Rule 10b5-1 Arrangement Terminated true
Termination Date August 11, 2025
Aggregate Available 356,064
Dr. Ramkumar Mandalam  
Trading Arrangements, by Individual  
Name Dr. Ramkumar Mandalam
Title member of our Board of Directors
Rule 10b5-1 Arrangement Adopted true
Adoption Date June 10, 2025
Rule 10b5-1 Arrangement Terminated true
Termination Date August 14, 2025
Aggregate Available 80,000