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Insider Trading Arrangements
 3 Months Ended 6 Months Ended
Oct. 31, 2023
shares
Oct. 31, 2023
shares
Trading Arrangements, by Individual    
Material Terms of Trading Arrangement  
During our last fiscal quarter, our directors and officers (as defined in Rule 16a-1(f) under the Exchange Act) adopted or terminated the contracts, instructions or written plans for the purchase or sale of the our securities set forth in the table below.
Name and Position
Action
Date
Rule 10b5-1*
Non-Rule 10b5-1**
Total Shares of Common Stock to be Sold
Total Shares of Common Stock to be Purchased
Expiration Date
Edward Y. Abbo
President and Chief Technology Officer
Adoption
September 29, 2023
X
217,612 — July 2, 2024
Juho Parkkinen
Senior Vice President and Chief Financial Officer
AdoptionSeptember 29, 2023
X
35,000 — June 28, 2024
Stephen M. Ward, Jr.
Director
AdoptionSeptember 28, 2023
X
150,000 — June 28, 2024
Richard C. Levin
Director
AdoptionSeptember 28, 2023
X
144,000 — December 31, 2024

* Contract, instruction or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act.
** “Non-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K under the Exchange Act.
Non-Rule 10b5-1 Arrangement Adopted false  
Rule 10b5-1 Arrangement Terminated false  
Non-Rule 10b5-1 Arrangement Terminated false  
Edward Y. Abbo [Member]    
Trading Arrangements, by Individual    
Name Edward Y. Abbo  
Title President and Chief Technology Officer  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date September 29, 2023  
Arrangement Duration 277 days  
Aggregate Available 217,612 217,612
Juho Parkkinen [Member]    
Trading Arrangements, by Individual    
Name Juho Parkkinen  
Title Senior Vice President and Chief Financial Officer  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date September 29, 2023  
Arrangement Duration 273 days  
Aggregate Available 35,000 35,000
Stephen M. Ward, Jr. [Member]    
Trading Arrangements, by Individual    
Name Stephen M. Ward, Jr.  
Title Director  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date September 28, 2023  
Arrangement Duration 274 days  
Aggregate Available 150,000 150,000
Richard C. Levin [Member]    
Trading Arrangements, by Individual    
Name Richard C. Levin  
Title Director  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date September 28, 2023  
Arrangement Duration 460 days  
Aggregate Available 144,000 144,000