Carusona Zach

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
31 Jul 24	SLCA U.S. Silica	RSU	Sale back to company	Dispose D	No	No	15.5	172,908	2.68 mm	0
31 Jul 24	SLCA U.S. Silica	Common Stock	Sale back to company	Dispose D	No	No	15.5	75,583	1.17 mm	0
31 Jul 24	SLCA U.S. Silica	Common Stock	Sale back to company	Dispose D	No	No	15.5	85,346	1.32 mm	75,583
31 Jul 24	SLCA U.S. Silica	Employee Stock Option Common Stock	Sale back to company	Dispose D	No	No	15.5	356	5.52 k	0
31 Jul 24	SLCA U.S. Silica	Employee Stock Option Common Stock	Sale back to company	Dispose D	No	No	15.5	388	6.01 k	0
26 Apr 24	SLCA U.S. Silica	Common Stock	Sell	Dispose S	No	Yes	15.55	42,605	662.51 k	160,929
12 Feb 24	SLCA U.S. Silica	Common Stock	Payment of exercise	Dispose F	No	No	10.56	4,025	42.50 k	203,534
12 Feb 24	SLCA U.S. Silica	Commn Stock	Payment of exercise	Dispose F	No	No	10.56	20,526	216.75 k	207,559
12 Feb 24	SLCA U.S. Silica	Common Stock	Grant	Acquire A	No	No	0	52,160	0.00	228,085
10 Feb 24	SLCA U.S. Silica	Common Stock	Payment of exercise	Dispose F	No	No	10.33	3,470	35.85 k	175,925

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.