Insiders / EcoR1 Capital, LLC

EcoR1 Capital, LLC

CIK 1587114personinsiderbeneficial ownerfund
Companies
1
First seen
Jan 8, 2026
Last activity
Jun 16, 2026
CompanyRoleShares heldPeak heldTradesLatest
Aktis Oncology, Inc. · AKTSDirector347,3054,348,65812—

All securities held

2 positions · latest reported per filing
CompanySecuritySharesAs of
Aktis Oncology, Inc.Common Stock347,305Jan 12, 2026
Aktis Oncology, Inc.Class A Common StockDerivative1,051,412Jan 12, 2026
InsidersInstitutions
This person's insider trades (Form 4), across every company.
DateActionCompanyValueShares ΔPosition afterImpact
Jan 12, 2026BuyAKTS
Aktis Oncology, Inc.
Common Stock
$37.40M+2.1M
+91.50%
4,348,658
7.87% of shares
high
Jan 12, 2026BuyAKTS
Aktis Oncology, Inc.
Common Stock
$2.60M+144K
+71.20%
347,305
0.63% of shares
high
Jan 12, 2026OtherAKTS
Aktis Oncology, Inc.
Class A Common Stock
—+86K
86,222
0.16% of shares
low
Jan 12, 2026OtherAKTS
Aktis Oncology, Inc.
Class A Common Stock
—+965K
965,190
1.75% of shares
low
Jan 12, 2026OtherAKTS
Aktis Oncology, Inc.
Series B Redeemable Convertible Preferred Stock
—-103K
-100.00%
0
0.00% of shares
low
Jan 12, 2026OtherAKTS
Aktis Oncology, Inc.
Series B Redeemable Convertible Preferred Stock
—-2.4M
-100.00%
0
0.00% of shares
low
Jan 12, 2026OtherAKTS
Aktis Oncology, Inc.
Series A Redeemable Convertible Preferred Stock
—-489K
-100.00%
0
0.00% of shares
low
Jan 12, 2026OtherAKTS
Aktis Oncology, Inc.
Series A Redeemable Convertible Preferred Stock
—-997K
-100.00%
0
0.00% of shares
low
Jan 12, 2026OtherAKTS
Aktis Oncology, Inc.
Series A Redeemable Convertible Preferred Stock
—-9.9M
-100.00%
0
0.00% of shares
low
Jan 12, 2026OtherAKTS
Aktis Oncology, Inc.
Common Stock
—+129K
128,506
0.23% of shares
low