Comparable stake leader
Claes Robert Wahlestedt
SEC ownership of JUPITER NEUROSCIENCES, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001679628.
Disclosed value leader
Christer Rosen
Comparable rows
0/22
Latest evidence
31 Jul 2026
- Public ticker
- JUNS on Nasdaq
- Parsed ownership sources
-
3/4/5 and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Claes Robert Wahlestedt
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
31 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001679628
- Issuer location
- Jupiter, FL
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 JUPITER NEUROSCIENCES, 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
Claes Robert Wahlestedt
Disclosed value leader
Christer Rosen
Comparable rows
0/22
Latest evidence
31 Jul 2026
3/4/5
13F
Highest disclosed value: $11,300,469
22 rows are not safely comparable across share classes.
Showing 1-8 of 22 holder rows.
Quick read
Christer Rosen has the largest disclosed position value at $11.3M.
0 of 22 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 Christer Rosen's linked filing trail.
Disclosed position value
Top 5
Christer Rosen
$11.3M
Ph.D. Marshall Hayward
$778.7K
VESTOR CAPITAL, LLC
$365K
Alexander Gustaf Erik Rosen
$160.5K
VANGUARD CAPITAL MANAGEMENT LLC
$135.3K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 22 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Claes Robert Wahlestedt |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
2,757,353 shares
|
— | 08 Nov 2024 |
| Christer Rosen |
3/4/5
CEO and Chairman, Director
|
—
mixed-class rows
|
$11,300,469
11,826,675 shares
mixed-class rows
|
— | 02 Jun 2026 |
| Ph.D. Marshall Hayward |
3/4/5
Chief Scientific Officer, Director
|
—
mixed-class rows
|
$778,720
3,254,308 shares
mixed-class rows
|
— | 02 Jun 2026 |
| VESTOR CAPITAL, LLC |
13F
Company
|
—
class O/S missing
|
$365,000
970,985 shares
|
— | 31 Mar 2026 |
| Alexander Gustaf Erik Rosen |
3/4/5
Chief Administrative Officer
|
—
mixed-class rows
|
$160,526
959,254 shares
mixed-class rows
|
— | 02 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$135,327
359,911 shares
|
— | 31 Mar 2026 |
| Alison D. Silva |
3/4/5
President and COO, Director
|
—
mixed-class rows
|
$116,611
1,395,401 shares
mixed-class rows
|
— | 02 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$79,639
211,696 shares
|
— | 31 Mar 2026 |
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 12 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 1-12 of 12 reporting-owner rows connected to JUPITER NEUROSCIENCES, INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
12
Largest Forms 3/4/5 holder
Christer Rosen
Net 12M change
$0
Latest report
31 Jul 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Christer Rosen | CEO and Chairman, Director | $11,300,469 | Filing P/S | 02 Jun 2026 | ||
| Ph.D. Marshall Hayward | Chief Scientific Officer, Director | $778,720 | Mixed | 02 Jun 2026 | ||
| Alexander Gustaf Erik Rosen | Chief Administrative Officer | $160,526 | Mixed | 02 Jun 2026 | ||
| Alison D. Silva | President and COO, Director | $116,611 | Filing P/S | 02 Jun 2026 | ||
| Saleem Elmasri | Chief Financial Officer | $74,187 | Mixed | 02 Jun 2026 | ||
| Allison W. Brady | Director | $60,900 | Mixed | 02 Jun 2026 | ||
| Weis Holger | Director | $55,298 | Mixed | 02 Jun 2026 | ||
| Nicholas H. Hemmerly | Director | $24,843 | Mixed | 02 Jun 2026 | ||
| Julie B. Kampf | Director | $21,547 | Mixed | 02 Jun 2026 | ||
| Andrew J. Cutler | Director | Mixed | 31 Jul 2026 | |||
| Tomas J. Philipson | Director | Mixed | 26 Jun 2026 | |||
| Claes Robert Wahlestedt | 10%+ Owner | Mixed | 08 Nov 2024 |
Recent insider transactions for JUPITER NEUROSCIENCES, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Andrew J. Cutler | JUNS | Stock Option (right to buy) | Award | 472,222 | 472,222 | 31 Jul 2026 | Direct | |||
| Tomas J. Philipson | JUNS | Stock Option (right to buy) | Award | 536,428 | 536,428 | 29 Jun 2026 | Direct | |||
| Allison W. Brady | JUNS | Stock Option | Award | 100,000 | 100,000 | 02 Jun 2026 | Direct | |||
| Saleem Elmasri | JUNS | Stock Option | Award | 525,565 | 525,565 | 02 Jun 2026 | Direct | |||
| Christer Rosen | JUNS | Stock Option | Award | 747,783 | 747,783 | 02 Jun 2026 | Direct | |||
| Nicholas H. Hemmerly | JUNS | Stock Option | Award | 100,000 | 100,000 | 02 Jun 2026 | Direct | |||
| Julie B. Kampf | JUNS | Stock Option | Award | 100,000 | 100,000 | 02 Jun 2026 | Direct | |||
| Alison D. Silva | JUNS | Stock Option | Award | 1,027,304 | 1,027,304 | 02 Jun 2026 | Direct | |||
| Ph.D. Marshall Hayward | JUNS | Stock Option | Award | 259,231 | 259,231 | 02 Jun 2026 | Direct | |||
| Holger Weis | JUNS | Stock Option | Award | 100,000 | 100,000 | 02 Jun 2026 | Direct | |||
| Alexander Gustaf Erik Rosen | JUNS | Stock Option | Award | 341,843 | 341,843 | 02 Jun 2026 | Direct | |||
| Marshall A. Hayward | JUNS | Common Stock | Options Exercise | 8.12% | 225,000 | 2,995,077 | 02 Mar 2026 | Direct | ||
| Marshall A. Hayward | JUNS | Stock Option (right to buy) | Options Exercise | -100% | -225,000 | 0 | 02 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.