Quick Takeaways
- Gregory L. Weaver has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $119,977.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Gregory L. Weaver
- Location
- Gaithersburg, MD
- Summary
- The estimated net worth of Gregory L. Weaver is at least $119,977 dollars as of 01 Apr 2026. Gregory L. Weaver is the Chief Financial Officer of Altimmune, Inc. and owns shares of Altimmune, Inc. (ALT) stock worth about $119.9K. Gregory L. Weaver is the Former EVP, CFO, & Director, Director of ATOSSA THERAPEUTICS, INC. and owns shares of ATOSSA THERAPEUTICS, INC. (ATOS) stock worth about $36.
- Signature
- /s/ Gregory Weaver
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Gregory L. Weaver and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: Altimmune, Inc. ($119,941).
- Past-year value change for that position: +$49,199.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Gregory L. Weaver
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ALT | Altimmune, Inc. | Chief Financial Officer | $119,941 | +$49,199 | +70% | 01 Apr 2026 |
| ATOS | ATOSSA THERAPEUTICS, INC. | Former EVP, CFO, & Director, Director | $36 | 15 Nov 2023 | ||
| ATAI | ATAI Life Sciences N.V. | Chief Financial Officer | 02 Mar 2022 |
Insider Transactions Reported by Gregory L. Weaver:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.