Comparable stake leader
Anthony P. Mack
SEC ownership of Virpax Pharmaceuticals, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001708331.
Disclosed value leader
—
Comparable rows
0/16
Latest evidence
05 Jul 2024
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Anthony P. Mack
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
05 Jul 2024
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001708331
- Issuer location
- Berwyn, PA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Virpax Pharmaceuticals, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Anthony P. Mack
Disclosed value leader
—
Comparable rows
0/16
Latest evidence
05 Jul 2024
3/4/5
Some rows are evidence-backed but not safely comparable across classes.
16 rows are not safely comparable across share classes.
Showing 1-8 of 16 holder rows.
Quick read
SEC ownership evidence is available, but the rows are not safely comparable across share classes.
0 of 16 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Anthony P. Mack's linked filing trail.
Detailed SEC evidence table Showing 1-8 of 16 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Anthony P. Mack |
3/4/5
Chief Executive Officer, Director, 10%+ Owner
|
—
class O/S missing
|
—
125,000 shares
|
— | 25 Jan 2023 |
| Gerald W. Bruce |
3/4/5
Chief Executive Officer, Director
|
—
class O/S missing
|
—
125,000 shares
|
— | 29 Jan 2024 |
| Christopher Michael Chipman |
3/4/5
Chief Financial Officer
|
—
class O/S missing
|
—
112,000 shares
|
— | 25 Jan 2023 |
| Sheila Mathias |
3/4/5
Chief Scientific Officer
|
—
class O/S missing
|
—
112,000 shares
|
— | 29 Jan 2024 |
| Vinay Shah |
3/4/5
Chief Financial Officer
|
—
class O/S missing
|
—
112,000 shares
|
— | 29 Jan 2024 |
| Jeffrey Gudin |
3/4/5
Chief Medical Officer, Director
|
—
class O/S missing
|
—
50,000 shares
|
— | 25 Jan 2023 |
| Eric Floyd |
3/4/5
Director
|
—
class O/S missing
|
—
45,000 shares
|
— | 29 Jan 2024 |
| Barbara Ruskin |
3/4/5
Director
|
—
class O/S missing
|
—
25,000 shares
|
— | 29 Jan 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 19 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 20 reporting-owner rows connected to Virpax Pharmaceuticals, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
20
Largest Forms 3/4/5 holder
Gary L. Herman
Net 12M change
$0
Latest report
17 Dec 2024
Recent insider transactions for Virpax Pharmaceuticals, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.