Wellington Biomedical Innovation Master Investors (Cayman) II L.P.

Insider Reports History

Entity
Company
Location
280 Congress Street, Boston, MA
Signature
Wellington Biomedical Innovation Master Investors (Cayman) II L.P., By: Wellington Management Company LLP, as Investment Adviser, /s/ Jennifer C. Boylan, Authorized Person
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Wellington Biomedical Innovation Master Investors (Cayman) II L.P.:

Stock Role Class Num Shares Value Price $ Report Date Ownership
RayzeBio, Inc. 10%+ Owner Common Stock 1.56M $97.4M $62.50 Sep 19, 2023 Direct
CARGO Therapeutics, Inc. 10%+ Owner Common Stock 737K $11.1M $15.00 Nov 14, 2023 Direct
MBX Biosciences, Inc. 10%+ Owner Common Stock 1.79M Sep 16, 2024 Direct
Upstream Bio, Inc. 10%+ Owner Common Stock 895K Oct 15, 2024 Direct
CARGO Therapeutics, Inc. 10%+ Owner Series A-1 Preferred Stock 0 Nov 14, 2023 Direct
MBX Biosciences, Inc. 10%+ Owner Series B Preferred Stock 0 Sep 16, 2024 Direct
MBX Biosciences, Inc. 10%+ Owner Series C Preferred Stock 0 Sep 16, 2024 Direct
RayzeBio, Inc. 10%+ Owner Series D Preferred Stock 0 Sep 19, 2023 Direct
Upstream Bio, Inc. 10%+ Owner Series B redeemable convertible preferred stock 0 Oct 15, 2024 Direct

Insider Reports Filed by Wellington Biomedical Innovation Master Investors (Cayman) II L.P.

Symbol Company Period Transactions Value $ Form Type Date Filed Role
UPB Upstream Bio, Inc. Oct 15, 2024 2 $0 4 Oct 15, 2024 10%+ Owner
UPB Upstream Bio, Inc. Oct 10, 2024 0 $0 3 Oct 10, 2024 10%+ Owner
MBX MBX Biosciences, Inc. Sep 16, 2024 4 $0 4 Sep 17, 2024 10%+ Owner
MBX MBX Biosciences, Inc. Sep 12, 2024 0 $0 3 Sep 12, 2024 10%+ Owner
CRGX CARGO Therapeutics, Inc. Nov 14, 2023 2 $0 4 Nov 16, 2023 10%+ Owner
RYZB RayzeBio, Inc. Sep 19, 2023 2 $0 4 Sep 19, 2023 10%+ Owner
CRGX CARGO Therapeutics, Inc. Sep 14, 2023 0 $0 3 Nov 13, 2023 10%+ Owner
RYZB RayzeBio, Inc. Sep 14, 2023 0 $0 3 Sep 14, 2023 10%+ Owner