Gregory L Weaver - Net Worth and Insider Trading
Gregory L Weaver Net Worth
The estimated net worth of Gregory L Weaver is at least $60,519 dollars as of 2025-07-23. Gregory L Weaver is the CFO of Altimmune Inc and owns about 10,000 shares of Altimmune Inc (ALT) stock worth over $42,000. Gregory L Weaver is the CFO of ATAI Life Sciences NV and owns about 4,666 shares of ATAI Life Sciences NV (ATAI) stock worth over $16,471. Gregory L Weaver is also the CFO of Fibrocell Science Inc and owns about 667 shares of Fibrocell Science Inc (FCSC) stock worth over $2,001. Besides these, Gregory L Weaver also holds Atossa Therapeutics Inc (ATOS) , Imunon Inc (IMNN) . Details can be seen in Gregory L Weaver'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 Gregory L Weaver has not made any transactions after 2025-03-13 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Gregory L Weaver
Gregory L Weaver Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Gregory L Weaver owns 8 companies in total, including Atossa Therapeutics Inc (ATOS) , Eloxx Pharmaceuticals Inc (ELOX) , and Egalet Corp (EGLTQ) among others .
Click here to see the complete history of Gregory L Weaver’s form 4 insider trades.
Insider Ownership Summary of Gregory L Weaver
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| ATOS | Atossa Therapeutics Inc | 2023-11-15 | director |
| ELOX | Eloxx Pharmaceuticals Inc | 2017-12-20 | Chief Financial Officer |
| EGLTQ | Egalet Corp | 2019-01-31 | director |
 | | 2014-01-17 | Chief Financial Officer |
| | 2013-03-19 | director |
| | 2010-02-04 | Chief Financial Officer |
| | 2003-07-02 | Chief Financial Officer |
| | 2021-06-22 | Chief Financial Officer |
Gregory L Weaver Latest Holdings Summary
Gregory L Weaver currently owns a total of 5 stocks. Among these stocks, Gregory L Weaver owns 10,000 shares of Altimmune Inc (ALT) as of March 13, 2025, with a value of $42,000 and a weighting of 69.4%. Gregory L Weaver owns 4,666 shares of ATAI Life Sciences NV (ATAI) as of June 22, 2021, with a value of $16,471 and a weighting of 27.22%. Gregory L Weaver also owns 667 shares of Fibrocell Science Inc (FCSC) as of November 20, 2013, with a value of $2,001 and a weighting of 3.31%. The other 2 stocks Atossa Therapeutics Inc (ATOS) , Imunon Inc (IMNN) have a combined weighting of 0.08% among all his current holdings.
Latest Holdings of Gregory L Weaver
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| ALT | Altimmune Inc | 2025-03-13 | 10,000 | 4.20 | 42,000 |
| ATAI | ATAI Life Sciences NV | 2021-06-22 | 4,666 | 3.53 | 16,471 |
| FCSC | Fibrocell Science Inc | 2013-11-20 | 667 | 3.00 | 2,001 |
| ATOS | Atossa Therapeutics Inc | 2023-11-15 | 55 | 0.86 | 47 |
| IMNN | Imunon Inc | 2013-03-19 | 0 | 0.62 | 0 |
Holding Weightings of Gregory L Weaver
Gregory L Weaver Form 4 Trading Tracker
According to the SEC Form 4 filings, Gregory L Weaver has made a total of 1 transactions in Altimmune Inc (ALT) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Altimmune Inc is the acquisition of 10,000 shares on March 13, 2025, which cost Gregory L Weaver around $52,000.
According to the SEC Form 4 filings, Gregory L Weaver has made a total of 1 transactions in ATAI Life Sciences NV (ATAI) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in ATAI Life Sciences NV is the acquisition of 4,666 shares on June 22, 2021, which cost Gregory L Weaver around $69,990.
According to the SEC Form 4 filings, Gregory L Weaver has made a total of 0 transactions in Fibrocell Science Inc (FCSC) over the past 5 years. The most-recent trade in Fibrocell Science Inc is the acquisition of 667 shares on November 20, 2013, which cost Gregory L Weaver around $35,100.
More details on Gregory L Weaver's insider transactions can be found in the Insider Trading History of Gregory L Weaver table.Insider Trading History of Gregory L Weaver
- 1
Gregory L Weaver Trading Performance
GuruFocus tracks the stock performance after each of Gregory L Weaver's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Gregory L Weaver is 1.98%. GuruFocus also compares Gregory L Weaver's trading performance to market benchmark return within the same time period. The performance of stocks bought by Gregory L Weaver within 3 months outperforms 3 times out of 8 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Gregory L Weaver's insider trading performs compared to the benchmark.
Performance of Gregory L Weaver
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 1.21 | | | | | |
| Relative Return to S&P 500(%) | 0.16 | | | | | |
Gregory L Weaver Ownership Network
Ownership Network List of Gregory L Weaver
Ownership Network Relation of Gregory L Weaver
Gregory L Weaver Owned Company Details
What does Atossa Therapeutics Inc do?
Who are the key executives at Atossa Therapeutics Inc?
Gregory L Weaver is the director of Atossa Therapeutics Inc. Other key executives at Atossa Therapeutics Inc include director & 10 percent owner & CEO Steven C Quay , SVP & Finance and Accounting Heather Rees , and CFO & General Counsel Kyle Guse .
Atossa Therapeutics Inc (ATOS) Insider Trades Summary
Over the past 18 months, Gregory L Weaver made no insider transaction in Atossa Therapeutics Inc (ATOS). Other recent insider transactions involving Atossa Therapeutics Inc (ATOS) include a net purchase of 25,000 shares made by Jonathan Finn , a net purchase of 11,239 shares made by Steven C Quay , and a net purchase of 10,000 shares made by H. Lawrence Remmel .
In summary, during the past 3 months, insiders sold 0 shares of Atossa Therapeutics Inc (ATOS) in total and bought 11,239 shares, with a net purchase of 11,239 shares. During the past 18 months, 0 shares of Atossa Therapeutics Inc (ATOS) were sold and 46,239 shares were bought by its insiders, resulting in a net purchase of 46,239 shares.
Atossa Therapeutics Inc (ATOS)'s detailed insider trading history can be found in Insider Trading Tracker table.
Atossa Therapeutics Inc Insider Transactions
Gregory L Weaver Mailing Address
Above is the net worth, insider trading, and ownership report for Gregory L Weaver. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Gregory L Weaver's mailing address is: San Francisco Ca 94107.
We'd love to learn more about your experiences on GuruFocus.com and how we can improve!
Take Survey
