Amphastar Insider Jack Zhang Updates Holdings; Maintains Significant Stake

TL;DR

**Amphastar insider Jack Zhang still holds a ton of shares, showing confidence.**

AI Summary

Jack Yongfeng Zhang, a key insider at Amphastar Pharmaceuticals, Inc., has filed an amendment (SC 13G/A) indicating a change in his beneficial ownership as of December 31, 2023. He now holds sole voting power over 4,223,156 shares and shared voting power over 9,212,054 shares of the company's common stock. This filing is an update to his previous disclosures, showing his continued significant stake in the company, which could be seen as a sign of confidence for investors.

Why It Matters

This filing shows that a major insider, Jack Yongfeng Zhang, continues to hold a substantial number of shares, which can signal his belief in the company's future performance to current and potential investors.

Risk Assessment

Risk Level: low — This filing is a routine update of an insider's holdings and does not indicate any immediate negative risk to the company or its stock.

Analyst Insight

Investors should note that a key insider maintains a substantial stake, which can be a positive long-term signal, but this routine update itself is unlikely to cause immediate stock price movement. It's a data point for long-term conviction rather than a short-term trading signal.

Key Numbers

• 4,223,156 — Shares with Sole Voting Power (Shares Jack Yongfeng Zhang can vote on his own.)
• 9,212,054 — Shares with Shared Voting Power (Shares Jack Yongfeng Zhang can vote on with others.)
• 4,223,156 — Shares with Sole Dispositive Power (Shares Jack Yongfeng Zhang can sell or transfer on his own.)
• December 31, 2023 — Date of Event (The date on which the reported ownership change occurred.)

Key Players & Entities

• Jack Yongfeng Zhang (person) — Reporting Person, insider at Amphastar Pharmaceuticals, Inc.
• Amphastar Pharmaceuticals, Inc. (company) — Issuer of the securities
• Applied Physics & Chemistry Laboratories, Inc. (company) — Group Member
• Mary Ziping Luo (person) — Group Member
• 03 Life Sciences (company) — Organization Name associated with the subject company

Forward-Looking Statements

• Jack Yongfeng Zhang will maintain a significant ownership stake in Amphastar Pharmaceuticals, Inc. (Jack Yongfeng Zhang) — high confidence, target: Next 12-24 months
• The company's stock price will not be significantly impacted by this routine filing. (Amphastar Pharmaceuticals, Inc. stock) — high confidence, target: Next 1-3 months

FAQ

Key Financial Figures

• $0.0001 — INC. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class o

Filing Documents

• d748407dsc13ga.htm (SC 13G/A) — 57KB
• 0001193125-24-030344.txt ( ) — 59KB

SIGNATURES

SIGNATURES After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: February 9, 2024 /s/ Jack Yongfeng Zhang Jack Yongfeng Zhang /s/ Mary Ziping Luo Mary Ziping Luo APPLIED PHYSICS & CHEMISTRY LABORATORIES, INC. By: /s/ Jack Yongfeng Zhang Name: Jack Yongfeng Zhang Title: President