Y-Mabs Therapeutics, Inc.

Pharmaceutical Preparations

NASDAQ.YMAB

230 Park Avenue, Suite 3350, New York, NY, 10169

Amount	Security	Market Value
35,077	COM	$461,263
36,416	COM	$478,870
105,777	COM	$1,389
652	COM	$9,480
39,903	COM	$524,724
751,833	COM	$9,888,573
99,032	COM	$1,302,271
13,400	COM	$176,210
10,519	COM	$138,325
210	COM	$2,762
399,982	COM	$5,259,763
14,145	COM	$205,668
59,185	COM	$778,283
54,780	COM	$720,357
9,419	COMMON	$123,860
4,218	Common Stock	$55
19,065	COM	$250,705
20,329	COM	$267,326
107,734	COM	$1,416,702
18,148	COM	$238,646
16,000	COM	$210,400
3,891	COM	$51,167
2,850	COM	$37,478
2,194,278	COM	$28,854,756
1,612	COM	$20,875
441,589	COM	$5,806,895
149,681	COM	$1,968,305
178,675	CMN	$2,349,576
975,612	COM	$12,829,298
16,872	COM	$221,867
29,481	COMMON STOCK	$387,675
43,792	COM	$575,865
3,418	COM	$44,947
4,086,346	COM	$53,735,450
85,000	COM	$1,117,750
61,573	COM	$809,685
67,141	COM	$882,904
44,474	COM	$584,833
35,072	COM	$461,197
1,831,000	COM	$24,077,650
52,315	COM	$687,932
162	COM	$2
34,231	COM	$450,138
83,316	COM	$1,095,605
51,452	COM	$748,112
1,450,000	COM	$19,067,500
133,710	COM	$1,758,287
75	COM	$1
22,141	COM	$291,154
17,071	COM	$224,484

Amount	Security	Market Value
35,077	COM	$461,263
36,416	COM	$478,870
105,777	COM	$1,389
652	COM	$9,480
39,903	COM	$524,724
751,833	COM	$9,888,573
99,032	COM	$1,302,271
13,400	COM	$176,210
10,519	COM	$138,325
210	COM	$2,762
399,982	COM	$5,259,763
14,145	COM	$205,668
59,185	COM	$778,283
54,780	COM	$720,357
9,419	COMMON	$123,860
4,218	Common Stock	$55
19,065	COM	$250,705
20,329	COM	$267,326
107,734	COM	$1,416,702
18,148	COM	$238,646
16,000	COM	$210,400
3,891	COM	$51,167
2,850	COM	$37,478
2,194,278	COM	$28,854,756
1,612	COM	$20,875
441,589	COM	$5,806,895
149,681	COM	$1,968,305
178,675	CMN	$2,349,576
975,612	COM	$12,829,298
16,872	COM	$221,867
29,481	COMMON STOCK	$387,675
43,792	COM	$575,865
3,418	COM	$44,947
4,086,346	COM	$53,735,450
85,000	COM	$1,117,750
61,573	COM	$809,685
67,141	COM	$882,904
44,474	COM	$584,833
35,072	COM	$461,197
1,831,000	COM	$24,077,650
52,315	COM	$687,932
162	COM	$2
34,231	COM	$450,138
83,316	COM	$1,095,605
51,452	COM	$748,112
1,450,000	COM	$19,067,500
133,710	COM	$1,758,287
75	COM	$1
22,141	COM	$291,154
17,071	COM	$224,484

Y-mabs Therapeutics, Inc.