Stefan A Baustert - Net Worth and Insider Trading
Stefan A Baustert Net Worth
The estimated net worth of Stefan A Baustert is at least $134,922 dollars as of 2025-05-10. Stefan A Baustert is the Director of AptarGroup Inc and owns about 880 shares of AptarGroup Inc (ATR) stock worth over $134,922. Details can be seen in Stefan A Baustert's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Stefan A Baustert has not made any transactions after 2011-07-28 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Stefan A Baustert
Stefan A Baustert Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Stefan A Baustert owns 1 companies in total, including AptarGroup Inc (ATR) .
Click here to see the complete history of Stefan A Baustert’s form 4 insider trades.
Insider Ownership Summary of Stefan A Baustert
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
ATR | AptarGroup Inc | 2011-07-28 | director |
Stefan A Baustert Latest Holdings Summary
Stefan A Baustert currently owns a total of 1 stock. Stefan A Baustert owns 880 shares of AptarGroup Inc (ATR) as of July 28, 2011, with a value of $134,922.
Latest Holdings of Stefan A Baustert
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
ATR | AptarGroup Inc | 2011-07-28 | 880 | 153.32 | 134,922 |
Holding Weightings of Stefan A Baustert
Stefan A Baustert Form 4 Trading Tracker
According to the SEC Form 4 filings, Stefan A Baustert has made a total of 0 transactions in AptarGroup Inc (ATR) over the past 5 years. The most-recent trade in AptarGroup Inc is the sale of 4,000 shares on July 28, 2011, which brought Stefan A Baustert around $205,920.
Insider Trading History of Stefan A Baustert
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Stefan A Baustert Trading Performance
GuruFocus tracks the stock performance after each of Stefan A Baustert's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Stefan A Baustert is 3.85%. GuruFocus also compares Stefan A Baustert's trading performance to market benchmark return within the same time period. The performance of stocks bought by Stefan A Baustert within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Stefan A Baustert's insider trading performs compared to the benchmark.
Performance of Stefan A Baustert
Stefan A Baustert Ownership Network
Ownership Network List of Stefan A Baustert
Ownership Network Relation of Stefan A Baustert

Stefan A Baustert Owned Company Details
What does AptarGroup Inc do?
Who are the key executives at AptarGroup Inc?
Stefan A Baustert is the director of AptarGroup Inc. Other key executives at AptarGroup Inc include director & President and CEO Stephan B. Tanda , Chief Human Resource Officer Shiela Vinczeller , and EVP and General Counsel Kimberly Chainey .
AptarGroup Inc (ATR) Insider Trades Summary
Over the past 18 months, Stefan A Baustert made no insider transaction in AptarGroup Inc (ATR). Other recent insider transactions involving AptarGroup Inc (ATR) include a net sale of 124,000 shares made by Stephan B. Tanda , a net sale of 14,752 shares made by Marc Prieur , and a net sale of 7,566 shares made by Monnas Giovanna Kampouri .
In summary, during the past 3 months, insiders sold 30,995 shares of AptarGroup Inc (ATR) in total and bought 0 shares, with a net sale of 30,995 shares. During the past 18 months, 222,234 shares of AptarGroup Inc (ATR) were sold and 0 shares were bought by its insiders, resulting in a net sale of 222,234 shares.
AptarGroup Inc (ATR)'s detailed insider trading history can be found in Insider Trading Tracker table.
AptarGroup Inc Insider Transactions
Stefan A Baustert Mailing Address
Above is the net worth, insider trading, and ownership report for Stefan A Baustert. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Stefan A Baustert's mailing address is: Crystal Lake Il 60014.