Daxor Corporation (DXR) Insider Trading
Over the last 3 months, DXR insiders made 4 open-market buys and 0 sales, a net purchase of $19K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 2 institutions increased and 5 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
4
Sells (3m)
0
Net (3m)
$19.0K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Mar
Apr
Nov
Dec
Mar
Apr
Context3-month price -3.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Apr 10, 2026 | Feldschuh Michael Richarddirector, officer: Chief Executive Officer | Buy | 1,000 | $9.07 |
| Mar 31, 2026 | Michel Robert Jofficer: Chief Financial Officer | Buy | 1,000 | $9.90 |
| Mar 24, 2026 | Jefferies Johnofficer: Chief Medical Officer | Buy | 2,285 | — |
| Mar 24, 2026 | Jefferies Johnofficer: Chief Medical Officer | Buy | 3,656 | — |
| Dec 11, 2025 | Michel Robert Jofficer: Chief Financial Officer | Buy | 3,000 | — |
| Dec 11, 2025 | Feldschuh Jonathan Adamdirector, officer: Chief Scientific Officer | Buy | 18,000 | — |
| Nov 14, 2025 | Jefferies Johnofficer: Chief Medical Officer | Buy | 2,344 | — |
| Jun 26, 2025 | Feuer Edwarddirector | Grant | 2,500 | $9.29 |
| Jun 26, 2025 | Goudie Joy S.director | Grant | 2,500 | $9.29 |
| Jun 26, 2025 | DesRosiers Calebdirector | Grant | 2,500 | $9.29 |
| Jun 26, 2025 | Cremisi Henry D.director | Grant | 2,500 | $9.29 |
| Apr 7, 2025 | Feldschuh Michael Richarddirector, officer: Chief Executive Officer | Buy | 2,063 | $7.89 |
| Mar 27, 2025 | Feldschuh Michael Richarddirector, officer: Chief Executive Office | Buy | 1,000 | $8.13 |
| Mar 20, 2025 | Feldschuh Michael Richarddirector, officer: Chief Executive Officer | Buy | 1,492 | $7.72 |
| Mar 20, 2025 | Feldschuh Michael Richarddirector, officer: Chief Executive Officer | Buy | 647 | $8.15 |
| Mar 11, 2025 | Michel Robert Jofficer: Chief Financial Officer | Buy | 1,000 | $8.00 |
| Mar 11, 2025 | Feldschuh Michael Richarddirector, officer: Chief Executive Officer | Buy | 3,360 | $7.68 |
| Dec 10, 2024 | Feldschuh Michael Richarddirector, officer: Chief Executive Officer | Buy | 45,000 | — |
| Dec 10, 2024 | Feldschuh Jonathan Adamdirector, officer: Chief Scientific Officer | Buy | 32,000 | — |
| Dec 10, 2024 | Michel Robert Jofficer: Chief Financial Officer | Buy | 4,750 | — |
| Jul 17, 2024 | DesRosiers Calebdirector | Grant | 2,500 | $9.20 |
| Jul 17, 2024 | Goudie Joy S.director | Grant | 2,500 | $9.20 |
| Jul 17, 2024 | Feuer Edwarddirector | Grant | 2,500 | $9.20 |
| Jul 17, 2024 | Cremisi Henry D.director | Grant | 2,500 | $9.20 |
| Mar 27, 2024 | Michel Robert Jofficer: Chief Financial Officer | Buy | 750 | $8.70 |
| Mar 6, 2024 | Feuer Edwarddirector | Buy | 1,000 | $7.21 |
| Dec 6, 2023 | Michel Robert Jofficer: Chief Financial Officer | Buy | 120 | $7.75 |
| Dec 1, 2023 | Michel Robert Jofficer: Chief Financial Officer | Buy | 180 | $7.75 |
| Dec 1, 2023 | Feldschuh Michael Richarddirector, officer: Chief Executive Officer | Buy | 800 | $7.80 |
| Nov 27, 2023 | Michel Robert Jofficer: Chief Financial Officer | Buy | 500 | $7.94 |
Source: DXR SEC Form 4 filings, latest Apr 10, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their DXR positions over the last 6 months (SEC Form 13F).
Increased
2
New positions
11
Reduced
5
Sold out
2
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| THOMPSON SIEGEL & WALMSLEY LLC | New Position | 232K | May 11, 2026 |
| VANGUARD GROUP INC | Unchanged | 49K | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 48K | May 15, 2026 |
| ARISTIDES CAPITAL LLC | New Position | 42K | May 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 28K | Feb 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 28K | May 14, 2026 |
| EMPIRICAL FINANCIAL SERVICES, LLC D.B.A. EMPIRICAL WEALTH MANAGEMENT | New Position | 25K | May 4, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New Position | 14K | May 15, 2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | New Position | 13K | Feb 6, 2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | Unchanged | 13K | May 15, 2026 |
| CRESCENT GROVE ADVISORS, LLC | New Position | 11K | May 6, 2026 |
| MORGAN STANLEY | Reduced | 3K | Feb 13, 2026 |
| SBI SECURITIES CO., LTD. | Unchanged | 3K | Feb 3, 2026 |
| SBI SECURITIES CO., LTD. | Unchanged | 3K | Apr 28, 2026 |
| MORGAN STANLEY | Reduced | 3K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.