Activist 13D/13G Filings - Y-mAbs Therapeutics Inc. (YMAB)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2024-02-14
4:08 pm
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
WG Biotech ApS4,700,533
10.7%
395,402increase
(+9.18%)
View
2024-02-13
5:17 pm
Sale
13GY-MABS THERAPEUTICS INC
YMAB
VANGUARD GROUP INC2,244,238
5.14%
-14,016decrease
(-0.62%)
View
2024-02-13
4:08 pm
Sale
13GY-MABS THERAPEUTICS INC
YMAB
HBM Healthcare Investments (Cayman) Ltd.3,297,800
7.6%
-516,053decrease
(-13.53%)
View
2024-02-06
3:59 pm
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
ACORN BIOVENTURES L.P.2,761,825
6.3%
435,297increase
(+18.71%)
View
2024-01-26
5:26 pm
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
BlackRock Inc.
BLK
2,917,080
6.7%
338,304increase
(+13.12%)
View
2023-04-03
1:46 pm
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
ACORN BIOVENTURES L.P.2,326,528
5.3%
2,326,528increase
(New Position)
View
2023-02-14
4:03 pm
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
HBM Healthcare Investments (Cayman) Ltd.3,813,853
8.7%
722,899increase
(+23.39%)
View
2023-02-14
1:50 pm
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
WG Biotech ApS4,305,131
9.8%
4,305,131increase
(New Position)
View
2023-02-09
11:37 am
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
VANGUARD GROUP INC2,258,254
5.17%
2,258,254increase
(New Position)
View
2023-02-01
4:54 pm
Sale
13GY-MABS THERAPEUTICS INC
YMAB
BlackRock Inc.
BLK
2,578,776
5.9%
-188,584decrease
(-6.81%)
View
2022-04-11
08:51 am
Sale
13GY-MABS THERAPEUTICS INC
YMAB
WELLINGTON MANAGEMENT GROUP LLP1,910,578
4.37%
-2,360,804decrease
(-55.27%)
View
2022-02-14
6:45 pm
Purchase
13DY-MABS THERAPEUTICS INC
YMAB
Sofinnova Venture Partners X L.P.2,271,611
5.2%
160,222increase
(+7.59%)
View
2022-02-07
5:13 pm
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
HBM Healthcare Investments (Cayman) Ltd.3,090,954
7.1%
960,581increase
(+45.09%)
View
2022-02-04
09:30 am
Sale
13GY-MABS THERAPEUTICS INC
YMAB
WELLINGTON MANAGEMENT GROUP LLP4,271,382
9.79%
-177,228decrease
(-3.98%)
View
2022-02-03
4:41 pm
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
BlackRock Inc.
BLK
2,767,360
6.3%
348,780increase
(+14.42%)
View
2021-07-12
09:24 am
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
WELLINGTON MANAGEMENT GROUP LLP4,448,610
10.21%
2,008,801increase
(+82.33%)
View
2021-02-12
4:00 pm
Sale
13GY-MABS THERAPEUTICS INC
YMAB
HBM Healthcare Investments (Cayman) Ltd.2,130,373
5.3%
-657,452decrease
(-23.58%)
View
2021-02-04
11:48 am
Sale
13GY-MABS THERAPEUTICS INC
YMAB
WELLINGTON MANAGEMENT GROUP LLP2,439,809
6.02%
-16,817decrease
(-0.68%)
View
2021-02-02
3:13 pm
Purchase
13GY-MABS THERAPEUTICS INC
YMAB
BlackRock Inc.
BLK
2,418,580
6%
452,462increase
(+23.01%)
View
2020-08-27
4:54 pm
Sale
13GY-MABS THERAPEUTICS INC
YMAB
Cheung Nai-Kong V1,897,132
4.74%
-529,268decrease
(-21.81%)
View
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