Equity Incentive Plans (Tables)
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9 Months Ended |
Sep. 30, 2026 |
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| Share-Based Payment Arrangement [Abstract] |
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| Schedule of Stock Option Activity |
A summary of option activities under the 2005 Stock Plan, as amended in January 2010 and November 2012 (the “2005 Plan”) and 2017 Equity Incentive Plan (the “2017 Plan”) during the nine months ended September 30, 2026 is as follows:
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Number
of Options
Outstanding |
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Weighted-
Average
Exercise
Price |
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Weighted-
Average
Grant Date Fair Value per Option |
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Aggregate Intrinsic Value Exercised (in thousands) |
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Weighted-
Average
Remaining Contractual term (in years) |
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Outstanding at December 31, 2025 |
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1,689,142 |
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$ |
26.41 |
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Granted |
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135,536 |
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$ |
7.23 |
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$ |
4.33 |
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Exercised |
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(3,205 |
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$ |
3.06 |
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$ |
13 |
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Canceled |
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(222,710 |
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$ |
30.29 |
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Outstanding at September 30, 2026 |
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1,598,763 |
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$ |
24.29 |
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Option exercisable at September 30, 2026 |
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1,293,810 |
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$ |
26.81 |
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Option vested and expected to vest at September 30, 2026 |
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1,598,763 |
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$ |
24.29 |
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$ |
431 |
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5.70 |
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| Schedule of Unvested Restricted Stock Units Awards Activity |
A summary of restricted stock unit (“RSU”) activities under the 2017 Plan during the nine months ended September 30, 2026 is as follows:
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Number
of RSUs |
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Weighted-
Average
Grant Date Fair Value per RSU |
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Aggregate Fair Value of RSUs Vested (in thousands) |
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Unvested RSUs at December 31, 2025 |
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520,379 |
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$ |
18.10 |
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Granted |
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922,431 |
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$ |
6.71 |
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Vested |
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(320,332 |
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$ |
14.28 |
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$ |
2,233 |
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Forfeited |
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(36,108 |
) |
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$ |
18.46 |
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Unvested RSUs at September 30, 2026 |
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1,086,370 |
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$ |
9.54 |
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| Schedule of Unvested Performance-Based Units Activity |
A summary of PSU activities under the 2017 Plan during the nine months ended September 30, 2026 is as follows:
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Number
of PSUs |
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Weighted-
Average
Grant Date Fair Value per PSU |
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Aggregate Fair Value of PSUs Vested (in thousands) |
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Unvested PSUs at December 31, 2025 |
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1,757,277 |
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$ |
16.47 |
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Granted |
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1,721,212 |
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$ |
7.17 |
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Vested |
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(59,598 |
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$ |
13.77 |
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$ |
397 |
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Forfeited |
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(220,186 |
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$ |
15.83 |
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Unvested PSUs at September 30, 2026 |
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3,198,705 |
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$ |
11.56 |
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| Schedule of Stock-Based Compensation Expense for All Award Types Recorded in Condensed Consolidated Statements of Operations |
Total stock-based compensation expense associated with the 2005 Plan, 2017 Plan and 2017 ESPP is recorded in the condensed consolidated statements of operations and was allocated as follows (in thousands):
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Three Months Ended September 30, |
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Nine Months Ended September 30, |
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2026 |
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2025 |
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2026 |
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2025 |
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Cost of revenues |
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$ |
418 |
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$ |
387 |
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$ |
1,700 |
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$ |
1,655 |
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Sales and marketing |
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375 |
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393 |
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1,158 |
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1,558 |
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Research and development |
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263 |
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304 |
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923 |
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1,141 |
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General and administrative |
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1,407 |
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1,968 |
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3,601 |
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5,943 |
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Total |
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$ |
2,463 |
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$ |
3,052 |
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$ |
7,382 |
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$ |
10,297 |
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