SAIF Partners IV L.P.

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

9

Stocks Covered

2

Latest Filing

Aug 14, 2025

Filings

AMPX

Amprius Technologies, Inc.

SC 13G/A · Aug 14, 2025

0.0%

0 shares

AMPX

Amprius Technologies, Inc.

SC 13G/A · May 15, 2025

6.3%

7.6M shares

SVA

SINOVAC BIOTECH LTD.

SC 13D/A · Sep 12, 2024

15.0%

10.8M shares

SVA

SINOVAC BIOTECH LTD.

SC 13D/A · Jun 17, 2024

15.0%

10.8M shares

SVA

SINOVAC BIOTECH LTD.

SC 13D/A · Dec 4, 2023

15.0%

10.8M shares

SVA

SINOVAC BIOTECH LTD.

SC 13D/A · Sep 15, 2023

15.0%

10.8M shares

SVA

SINOVAC BIOTECH LTD.

SC 13D/A · May 25, 2023

15.0%

10.8M shares

SVA

SINOVAC BIOTECH LTD.

SC 13D/A · Mar 15, 2023

15.0%

10.8M shares

SVA

SINOVAC BIOTECH LTD.

SC 13D/A · Dec 12, 2022

15.0%

10.8M shares