Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as Conversion of derivative security or Exercise of Options are not included. Insiders are only limited to Officers and/or Directors of the company.

"Shares" change (fifth column), "Shares Owned Following This (Direct & Indirect)" transactions (sixth column), and "Trade Price ($)" (seventh column) are split adjusted. The "Share Ownership Details" (last column) displayed data is as of reported (also split adjusted).

Amphastar Pharmaceuticals Inc Executives

Amphastar Pharmaceuticals Inc Politician Trades Transactions

Amphastar Pharmaceuticals Inc Politician Transactions

Ticker	Company	Transaction Date	Politician Name	Transaction Type	Amount	Asset Type	Party	Position	State	Filing Date
No transaction records found

To find out why GuruFocus thinks data on insider trade are interesting, please read:

Can Aggregated Insider Trading Activities Predict the Market?

Stocks that Both Gurus and Insiders are Buying

Can Aggregated Insider Trading Activities Predict the Market of Different Sectors?

Also See GuruFocus Insider Trade Screener:

Insider Trading Tracker - SEC Form 4 Filings

Double Buys: Stocks that Gurus, Insiders Are Buying

Triple Buys: Stocks that Gurus, Insiders and Companies Are Buying

Research Tools

All-In-One Screener Stock Ideas Stock List Guru List Guru Real-Time Picks Insider List Insider Trades Economic Indicators Sector & Industry Performance DCF Calculator Calculators Discussion Board

Product

Pricing Plans Excel Add-In Google Sheets Add-on Data API Stock Comparison Table Manual of Stocks Instant Alerts Mobile App Newsletters Signup 中文

Education

Financial Glossary Tutorials FAQ Buffett Indicator Shiller P/E Yield Curve Today U.S. Inflation Rate Global Market Valuation Fed Net Liquidity Buffett Assets Allocation

Company

About GuruFocus Career Contact Us Advertise Term of Use Privacy Policy Referral Program Partner Program

Survey

We'd love to learn more about your experiences on GuruFocus.com and how we can improve!

Take Survey

Disclaimers

GuruFocus.com is not operated by a broker or a dealer. Under no circumstances does any information posted on GuruFocus.com represent a recommendation to buy or sell a security. The information on this site, and in its related newsletters, is not intended to be, nor does it constitute investment advice or recommendations. The individuals or entities selected as "gurus" may buy and sell securities before and after any particular article and report and information herein is published, with respect to the securities discussed in any article and report posted herein. Gurus may be added or dropped from the GuruFocus site at any time. In no event shall GuruFocus.com be liable to any member, guest or third party for any damages of any kind arising out of the use of any content or other material published or available on GuruFocus.com, or relating to the use of, or inability to use, GuruFocus.com or any content, including, without limitation, any investment losses, lost profits, lost opportunity, special, incidental, indirect, consequential or punitive damages. Past performance is a poor indicator of future performance. The information on this site, and in its related newsletters, is not intended to be, nor does it constitute investment advice or recommendations. The information on this site is in no way guaranteed for completeness, accuracy or in any other way. The gurus listed in this website are not affiliated with GuruFocus.com, LLC. Stock quotes are provided by QuoteMedia, Inc. (CSI). Company fundamental data is provided by Morningstar. Analyst estimates data is sourced from both Refinitiv and Morningstar, with priority given to Refinitiv data. Data is updated daily.