In January 2026, the number of shares of common stock available for issuance under the Company’s 2015 Omnibus Incentive Plan, or the 2015 Plan, was increased by 3,496,239 shares of common stock due to the automatic annual provision to increase shares of common stock available under the 2015 Plan. In March 2026, the 2015 Plan expired. In June 2026, the 2026 Equity Incentive Plan, or 2026 Plan, was approved. The maximum number of shares of the Company’s common stock that may be issued under the 2026 Plan is 17,134,916 shares, which is the sum of (i) 7,200,000 newly authorized shares, plus (ii) up to 9,934,916 shares of common stock

subject to outstanding stock awards granted under the 2015 Plan that, on or after the 2026 Plan becomes effective, expire or otherwise terminate prior to exercise or settlement.

As of June 30, 2026, there were 424,326 shares of common stock available for issuance under the 2023 Plan and 7,448,808 shares of common stock available for issuance under the 2026 Plan.

The Company recognized stock-based compensation expense related to the issuance of stock option awards and restricted stock units to employees and non-employees and related to the Company’s 2015 Employee Stock Purchase Plan, or ESPP, in the consolidated statements of comprehensive loss as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025

Research and development	$	4,510	$	4,196	$	8,537	$	7,864
Selling, general and administrative		9,504		9,591		17,530		16,303
Total	$	14,014	$	13,787	$	26,067	$	24,167

Compensation expense by type of award in the three and six months ended June 30, 2026 and 2025 was as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025

Stock options	$	8,178	$	8,707	$	15,739	$	16,392
RSUs		5,624		4,757		9,905		7,332
ESPP		212		323		423		443
Total	$	14,014	$	13,787	$	26,067	$	24,167

In addition, stock-based compensation expense of $0.1 million and $0.2 million was capitalized to inventory for the three and six months ended June 30, 2026, respectively, which represents the stock-based compensation expense incurred related to employees involved in the manufacturing process of finished goods and samples. For the three and six months ended June 30, 2025, $0.1 million and $0.2 million of stock compensation expense was capitalized to inventory.

As of June 30, 2026, there were $103.4 million of unrecognized compensation costs related to employee and non-employee unvested stock options and RSUs granted under the Inducement Plan, 2015 Plan, 2026 Plan, and the Company’s 2007 Stock Plan, which are expected to be recognized over a weighted-average remaining service period of 2.67 years.