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SCHEDULE Filed 2025-04-03 Event 2025-04-02 SEC 0001437749-25-010918 →

HSIAO JANE PH D OPKO HEALTH, INC. OPK

Stake: 4.50% Shares: 35,677,284 CUSIP: 68375N103 Class: Common Stock, par value $0.01 per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
8 13D/G filings on this issuer
7 other filings besides this one
Filer Track Record
3 filings by this filer
2 other filings in the data moat
Short Interest · settle 2026-07-15
DTC 12.96
33,644,789 shares short · +3.2% vs prior

Post-Filing Returns · since 2025-04-02 on OPK

+1 day
0.0%
+5 days
0.0%
+30 days
0.0%
+60 days
0.0%
+90 days
0.0%
+180 days
0.0%

Anchor price 1.49 on closest trading day on/after 2025-04-02. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on OPKO HEALTH, INC.

FiledFormFilerStakeShares
2026-07-01 SCHEDULE 13D/A FROST PHILLIP MD ET AL 34.10% 255,429,406 view →
2025-10-01 SCHEDULE FROST PHILLIP MD ET AL 32.80% 252,884,406 view →
2024-01-22 SC FROST PHILLIP MD ET AL view →
2023-02-21 SC FROST PHILLIP MD ET AL view →
2020-03-20 SC HSIAO JANE PH D view →
2019-03-22 SC FROST PHILLIP MD ET AL view →
2019-03-20 SC FROST PHILLIP MD ET AL view →

Other Filings by HSIAO JANE PH D

FiledFormIssuerStakeShares
2020-03-20 SC Opko Health, Inc. OPK view →
2019-01-11 SC NON INVASIVE MONITORING SYSTEMS INC /FL/ NIMU view →

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