| Schedule of Available-for-sale Investments |
Available-for-sale investments consisted of the following as of June 30, 2025 and December 31, 2024 (in thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
June 30, 2025 |
|
|
|
Amortized Cost |
|
|
Unrealized Gain |
|
|
Unrealized Loss |
|
|
Estimated Fair Value |
|
Short-term marketable securities |
|
|
|
|
|
|
|
|
|
|
|
|
Commercial paper |
|
$ |
1,467 |
|
|
$ |
— |
|
|
$ |
(2 |
) |
|
$ |
1,465 |
|
U.S. government treasury securities |
|
|
128,371 |
|
|
|
79 |
|
|
|
(54 |
) |
|
|
128,396 |
|
Corporate bonds |
|
|
24,834 |
|
|
|
17 |
|
|
|
(2 |
) |
|
|
24,849 |
|
Total short-term marketable securities |
|
$ |
154,672 |
|
|
$ |
96 |
|
|
$ |
(58 |
) |
|
$ |
154,710 |
|
Long-term marketable securities |
|
|
|
|
|
|
|
|
|
|
|
|
U.S. government treasury securities |
|
$ |
21,038 |
|
|
$ |
29 |
|
|
$ |
(2 |
) |
|
$ |
21,065 |
|
Corporate bonds |
|
|
3,027 |
|
|
|
8 |
|
|
|
— |
|
|
|
3,035 |
|
Total long-term marketable securities |
|
$ |
24,065 |
|
|
$ |
37 |
|
|
$ |
(2 |
) |
|
$ |
24,100 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
December 31, 2024 |
|
|
|
Amortized Cost |
|
|
Unrealized Gain |
|
|
Unrealized Loss |
|
|
Estimated Fair Value |
|
Short-term marketable securities |
|
|
|
|
|
|
|
|
|
|
|
|
Commercial paper |
|
$ |
2,476 |
|
|
$ |
3 |
|
|
$ |
— |
|
|
$ |
2,479 |
|
U.S. government treasury securities |
|
|
153,353 |
|
|
|
211 |
|
|
|
(43 |
) |
|
|
153,521 |
|
Corporate bonds |
|
|
18,357 |
|
|
|
19 |
|
|
|
(2 |
) |
|
|
18,374 |
|
Total short-term marketable securities |
|
$ |
174,186 |
|
|
$ |
233 |
|
|
$ |
(45 |
) |
|
$ |
174,374 |
|
Long-term marketable securities |
|
|
|
|
|
|
|
|
|
|
|
|
U.S. government treasury securities |
|
$ |
33,682 |
|
|
$ |
27 |
|
|
$ |
(49 |
) |
|
$ |
33,660 |
|
Total long-term marketable securities |
|
$ |
33,682 |
|
|
$ |
27 |
|
|
$ |
(49 |
) |
|
$ |
33,660 |
|
|
| Schedule of Gross Unrealized Holding Losses and Fair Values for Investments in Unrealized Loss Position |
The following table presents the gross unrealized holding losses and fair values for investments in an unrealized loss position, and the length of time individual securities have been in a continuous loss position, as of June 30, 2025 (in thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Less Than 12 Months |
|
|
12 Months Or Greater |
|
|
|
Fair Value |
|
|
Unrealized Loss |
|
|
Fair Value |
|
|
Unrealized Loss |
|
Commercial paper |
|
$ |
1,465 |
|
|
$ |
(2 |
) |
|
$ |
— |
|
|
$ |
— |
|
U.S. government treasury securities |
|
|
73,611 |
|
|
|
(56 |
) |
|
|
— |
|
|
|
— |
|
Corporate bonds |
|
|
5,771 |
|
|
|
(2 |
) |
|
|
— |
|
|
|
— |
|
Total available-for-sale securities |
|
$ |
80,847 |
|
|
$ |
(60 |
) |
|
$ |
— |
|
|
$ |
— |
|
|