Scott W Hart

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
4 Dec 24	STEP StepStone	Class A Common Stock	Sell	Dispose S	Yes	No	63.48	400	25.39 k	120,000
4 Dec 24	STEP StepStone	Class A Common Stock	Sell	Dispose S	Yes	No	62.8	37,509	2.36 mm	120,400
3 Dec 24	STEP StepStone	Class A Common Stock	Sell	Dispose S	Yes	No	64.85	100	6.49 k	157,909
3 Dec 24	STEP StepStone	Class A Common Stock	Sell	Dispose S	Yes	No	64.15	2,700	173.21 k	158,009
3 Dec 24	STEP StepStone	Class A Common Stock	Sell	Dispose S	Yes	No	63.11	19,291	1.22 mm	160,709
2 Dec 24	STEP StepStone	Class B Common Stock	Sale back to company	Dispose D	Yes	No	0.001	180,000	180.00	3,061,782
2 Dec 24	STEP StepStone	Class A Common Stock	Conversion	Acquire C	Yes	No	0	180,000	0.00	180,000
2 Dec 24	STEP StepStone	Class B Units Class A Common Stock	Conversion	Dispose C	Yes	No	0	180,000	0.00	3,061,782
11 Sep 24	STEP StepStone	Class B Common Stock	Sale back to company	Dispose D	Yes	No	0.001	96,779	96.78	3,241,782
11 Sep 24	STEP StepStone	Class B Units Class A Common Stock	Sale back to company	Dispose D	Yes	No	49.48	96,779	4.79 mm	3,241,782

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