Rigel Pharmaceuticals, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Tables)

CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2023

CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

Schedule of cash, cash equivalents and short-term investments

Cash, cash equivalents and short-term investments consisted of the following (in thousands):


	As of December 31,
	2023		2022
Cash	$	8,247	$	6,264
Money market funds		9,685		4,155
US treasury bills		12,594		5,225
Government-sponsored enterprise securities		11,233		15,796
Corporate bonds and commercial paper		15,174		26,766
	$	56,933	$	58,206
Reported as:
Cash and cash equivalents	$	32,786	$	24,459
Short-term investments		24,147		33,747
	$	56,933	$	58,206

Schedule of cash equivalents and short-term investments including securities with unrealized gains and losses

Cash equivalents and short-term investments include the following securities with gross unrealized gains and losses (in thousands):


			Gross		Gross
	Amortized		Unrealized		Unrealized
As of December 31, 2023	Cost		Gains		Losses		Fair Value
US treasury bills	$	12,591	$	3	$	—	$	12,594
Government-sponsored enterprise securities		11,230		7		(4)	$	11,233
Corporate bonds and commercial paper		15,172		5		(3)		15,174
Total	$	38,993	$	15	$	(7)	$	39,001


			Gross		Gross
	Amortized		Unrealized		Unrealized
As of December 31, 2022	Cost		Gains		Losses		Fair Value
US treasury bills	$	5,251	$	—	$	(26)	$	5,225
Government-sponsored enterprise securities		15,882		1		(87)		15,796
Corporate bonds and commercial paper		26,807		—		(41)		26,766
Total	$	47,940	$	1	$	(154)	$	47,787

Schedule of fair value and gross unrealized losses of investments in unrealized loss position

The following table shows the fair value and gross unrealized losses of our investments in individual securities that are in an unrealized loss position, aggregated by investment category (in thousands):


As of December 31, 2023	Fair Value		Unrealized Losses
US treasury bills	$	1,000	$	—
Government-sponsored enterprise securities		2,980		(4)
Corporate bonds and commercial paper		6,561		(3)
Total	$	10,541	$	(7)