The Company had sales and maturities of marketable securities of $29.0 million and $57.9 million in the three months ended June 30, 2026 and 2025, respectively. The Company had sales and maturities of marketable securities of $295.5 million and $242.5 million in the nine months ended June 30, 2026 and 2025, respectively. There were immaterial realized gains or losses in each of the three and nine months ended June 30, 2026 and 2025 on sales and maturities of marketable securities.

The following is a summary of the amortized cost and the fair value, including accrued interest receivable as well as unrealized gains (losses) on the Company’s short-term and long-term marketable securities as of June 30, 2026 and September 30, 2025 (in thousands):


	Amortized Cost		Gross Unrealized Losses		Gross Unrealized Gains		Fair Value
June 30, 2026:
U.S. Treasury securities and obligations of U.S. government agencies	$	244,688	$	(853)	$	2	$	243,837
Bank certificates of deposit	1,253		(1)		—		1,252
Corporate securities	72,907		(468)		—		72,439
Municipal securities	14,722		(28)		8		14,702
	$	333,570	$	(1,350)	$	10	$	332,230
September 30, 2025:
U.S. Treasury securities and obligations of U.S. government agencies	$	245,691	$	(94)	$	168	$	245,765
Bank certificates of deposit	1,640		—		1		1,641
Corporate securities	4,199		—		—		4,199
Municipal securities	11,048		—		69		11,117
	$	262,578	$	(94)	$	238	$	262,722

The amortized cost and fair value of the marketable securities by contractual maturities as of June 30, 2026 are presented below (in thousands):


	Amortized Cost		Fair Value
Due in one year or less	$	136,293	$	136,143
Due after one year through five years	192,988		191,798
Due after ten years	4,289		4,289
Total marketable securities	$	333,570	$	332,230

Expected maturities could differ from contractual maturities because the security issuers may have the right to prepay obligations without prepayment penalties.