ADARx Pharmaceuticals, Inc. (ADRX) insider trading
ADARx Pharmaceuticals, Inc. insiders have made 5 open-market purchases worth $87.7M since Sep 30, 2026, by 5 different insiders. The latest: Erez Chimovits (Director) bought $1.0M, filed Sep 30, 2026, scored 54 out of 100. The biggest: $27.2M by SR ONE CAPITAL MANAGEMENT, LLC, filed Sep 30, 2026. 4 buys in the last year came within ten days of another insider's: a cluster, one of the stronger patterns in the research.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 30 Form 4 (opens sec.gov) |
Erez ChimovitsDirector · 5 insiders buyingDirector · 5 insiders buying | +1% stake | 54 | $1.0M 61,516 at $17.00 |
−9.5% | waiting |
| Sep 30 Form 4 (opens sec.gov) |
Carl L. GordonDirector · 4 insiders buyingDirector · 5 insiders buying | 54 | $16.1M 950,000 at $17.00 |
−9.5% | waiting | |
| Sep 30 Form 4 (opens sec.gov) |
ORBIMED ADVISORS LLCDirector · 3 insiders buyingDirector · 5 insiders buying | 46 | $16.1M 950,000 at $17.00 |
−9.5% | waiting | |
| Sep 30 Form 4 (opens sec.gov) |
SR ONE CAPITAL MANAGEMENT, LLC10% owner · 2 insiders buying10% owner · 5 insiders buying | +25% stake | 50 | $27.2M 1,600,000 at $17.00 |
−13.1% | −14.7% |
| Sep 30 Form 4 (opens sec.gov) |
Simeon GeorgeDirectorDirector · 5 insiders buying | +25% stake | 68 | $27.2M 1,600,000 at $17.00 |
−13.1% | −14.7% |
Track record (hypothetical): a week after the filing, these buys averaged −11.0% (0% up, 5 measured); a month after, −14.7% (0% up, 2 measured).
Investors with more than 5% of ADRX (13D and 13G)
| Filed | Investor | Kind | Stake |
|---|---|---|---|
| Oct 16 13G | Yi Shi | Passive | 11.1% |
A 13D is filed by an investor who may push for change; a 13G by a passive one.
Insiders who bought ADRX
- Erez Chimovits Director
- Carl L. Gordon Director
- ORBIMED ADVISORS LLC Director
- SR ONE CAPITAL MANAGEMENT, LLC 10% owner
- Simeon George Director
Questions
Are insiders buying ADRX stock?
Yes. In the last 90 days, 5 open-market purchases were filed, worth $87.7M.
Who bought ADRX stock most recently?
Erez Chimovits, Director, bought 61,516 shares for $1.0M (Form 4 (opens sec.gov), filed Sep 30, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
Data as of Sep 30, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer