Thomas Gad

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
17 Jan 25	YMAB Y-mAbs Therapeutics	Common Stock	Grant	Acquire A	No	No	0	32,000	0.00	213,531
17 Jan 25	YMAB Y-mAbs Therapeutics	Employee Stock Option Common Stock	Grant	Acquire A	No	No	6.16	64,000	394.24 k	64,000
19 Sep 24	YMAB Y-mAbs Therapeutics	Common Stock	Option exercise	Acquire M	No	No	4.38	22,831	100.00 k	181,531
19 Sep 24	YMAB Y-mAbs Therapeutics	Employee Stock Option Common Stock	Option exercise	Dispose M	No	No	4.38	22,831	100.00 k	143,169
16 Sep 24	YMAB Y-mAbs Therapeutics	Common Stock	Sell	Dispose S	Yes	No	12.97	30,000	389.10 k	67,681
13 Sep 24	YMAB Y-mAbs Therapeutics	Common Stock	Sell	Dispose S	Yes	No	13.47	65,000	875.55 k	97,681
11 Jun 24	YMAB Y-mAbs Therapeutics	Common Stock	Sell	Dispose S	Yes	No	12	35,000	420.00 k	162,681
10 Jun 24	YMAB Y-mAbs Therapeutics	Common Stock	Sell	Dispose S	Yes	No	12.03	35,000	421.05 k	197,681
23 May 24	YMAB Y-mAbs Therapeutics	Common Stock	Sell	Dispose S	Yes	No	13	7,351	95.56 k	232,681
21 May 24	YMAB Y-mAbs Therapeutics	Common Stock	Sell	Dispose S	Yes	No	12	25,000	300.00 k	240,032

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