XML 39 R28.htm IDEA: XBRL DOCUMENT
v3.26.1

STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract] |
Schedule of Share-Based Payment Arrangement, Restricted Stock Unit, Activity | A summary of RSU award activity during the six months ended June 30, 2026 is as follows (in thousands except share and per share data):
| Number of Units |  | Weighted Average Grant-Date Fair Value
Outstanding RSU awards as of December 31, 2025 | 716,850 |  |  | $ | 12.37 |
Granted | 216,365 |  |  | 14.69 |
Vested | (201,178) |  |  | 11.70 |
Forfeited | (11,672) |  |  | 13.33 |
Outstanding RSU awards as of June 30, 2026 | 720,365 |  |  | $ | 13.23 |
Schedule of Option Activity | A summary of option activity during the six months ended June 30, 2026 is as follows (in thousands except share and per share data):
| NUMBER OF OPTIONS |  | WEIGHTED-AVERAGE EXERCISE PRICE
Outstanding as of December 31, 2025 | 3,901,706 |  |  | $ | 38.52 |
Granted | 870,503 |  |  | 15.21 |
Exercised | (82,304) |  |  | 0.36 |
Cancelled or Forfeited | (75,625) |  |  | 58.15 |
Expired | (154,144) |  |  | $ | 39.51 |
Outstanding as of June 30, 2026 | 4,460,136 |  |  | $ | 34.30 |
Options exercisable as of June 30, 2026 | 3,127,451 |  |  | $ | 36.62 |
Schedule of Stock-Based Compensation Expense | Total stock-based compensation expense recorded for employees, directors and non-employees during the three and six months ended June 30, 2026 and 2025 was as follows (in thousands):
| THREE MONTHS ENDED JUNE 30, |  | SIX MONTHS ENDED JUNE 30, |  |  |  |
2026 |  | 2025 |  | 2026 |  | 2025 |  |  |  |  |  |  |  |
Research and development | $ | 2,480 |  |  | $ | 4,973 |  |  | $ | 4,767 |  |  | $ | 10,238 |  |  |  |  |  |  |  |  |
General and administrative | 2,897 |  |  | 3,569 |  |  | 6,809 |  |  | 7,167 |  |  |  |  |  |  |  |  |
Total stock-based compensation expense | $ | 5,377 |  |  | $ | 8,542 |  |  | $ | 11,576 |  |  | $ | 17,405 |  |  |  |  |  |  |  |  |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration