Zhang Jack Y. is based out of Rancho Cucamonga. Whalewisdom has at least 10 13G filings, and 12 Form 4 filings The firm has no submitted 13F filings and does not appear to be an investment advisor.
Contact Info
Contact information is taken directly from publicly disclosed SEC filings.
Zhang Jack Y.11570 6TH STREET
RANCHO CUCAMONGA CA 91730
Business Phone: 909-980-9484
SEC SIC CODE:
2834-PHARMACEUTICAL PREPARATIONS
2834-PHARMACEUTICAL PREPARATIONS
Current 13D/G Holdings
Stock | Sector | Shares Held | Market Value | Rank | Source | Source Date |
---|---|---|---|---|---|---|
Amphastar Pharmaceuticals Inc | HEALTH CARE | 13,435,220 | 830,968,357 | 1 | 13G | 2024-02-09 |