Six months ended June 30,

2024

2023

(In thousands)

Common stock, beginning of period

$

34,996

$

36,824

Shares of common stock issued upon exercise of stock options

-

60

Shares of common stock issued when sales restrictions on restricted stock units
   (“RSUs”) lapsed and performance-based stock units (“PSUs”) were earned

124

168

Common stock retired

(1,126

)

(1,206

)

Common stock, end of period

$

33,994

$

35,846