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

CIK 1787092 · last filed 2024-09-18

Wellington Biomedical Innovation Master Investors (Cayman) I L.P. is a corporate insider who has filed 16 SEC Form 4 insider transactions across 16 companies since 2020. The most recent filing, for ZBIO, was dated Sep 18, 2024. Across all open-market trades the lifetime net is +$40.9M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $341.4M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$341.37M

Companies

16

Total Filings

16

Lifetime Open-Market Net

$40.90M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
ZBIO 10%+ Owner 600,906 $32.29 $19.40M $0 1 2024-09-18
ARTV 10%+ Owner 194,108 $10.53 $2.04M $0 1 2024-07-22
BOLD 10%+ Owner 189,933 $2.47 $469.1K $0 1 2024-04-02
ACRV 10%+ Owner 888,130 $1.54 $1.37M $0 1 2022-11-21
NUVL 10%+ Owner 897,671 $123.96 $111.28M $0 1 2021-08-03
Verve Therapeutics, Inc. (VERV) Delisted 10%+ Owner 1,343,081 $11.13 $14.95M $0 1 2021-06-22
EWTX 10%+ Owner 681,812 $40.35 $27.51M $0 1 2021-03-30
OLMA 10%+ Owner 1,273,420 $11.62 $14.80M $0 1 2020-11-24
ALGS 10%+ Owner 53,402 $4.25 $227.0K $0 1 2020-10-22
PMVP 760,267 $1.10 $836.3K $0 1 2020-09-29
DYN 10%+ Owner 1,608,785 $25.90 $41.67M $0 1 2020-09-23
KYMR 10%+ Owner 959,211 $106.16 $101.83M $0 1 2020-08-27
NRIX 10%+ Owner 784,313 $24.15 $18.94M $0 1 2020-07-30
Forma Therapeutics Holdings, Inc. (FMTX) Delisted 10%+ Owner 1,252,913 $20.01 $25.07M $20.00M 1 2020-06-25
Generation Bio Co. (GBIO) Delisted 10%+ Owner 101,255 $5.34 $540.7K $20.90M 1 2020-06-18
BDTX 10%+ Owner 568,185 $1.76 $1.00M $0 1 2020-02-05

Recent Filings

16 filings
Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
Filed Symbol Action Net Shares Net $ Link
2024-09-18 ZBIO Conv (C) +801,624 $0 EDGAR
2024-07-22 ARTV Mixed +194,108 $500.0K EDGAR
2024-04-02 BOLD Conv (C) +556,233 $0 EDGAR
2022-11-21 ACRV Conv (C) +888,130 $0 EDGAR
2021-08-03 NUVL Conv (C) +897,671 $0 EDGAR
2021-06-22 Verve Therapeutics, Inc. (VERV) Delisted Conv (C) +2,495,571 $0 EDGAR
2021-03-30 EWTX Conv (C) +681,812 $0 EDGAR
2020-11-24 OLMA Conv (C) +1,725,406 $0 EDGAR
2020-10-22 ALGS Conv (C) +1,906,191 $0 EDGAR
2020-09-29 PMVP Conv (C) +760,267 $0 EDGAR
Showing 110 of 16
Page 1 of 2
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.