Plott Ronald Todd purchased $15K of PHIO
Plott Ronald Todd purchased 18,300 shares of Phio Pharmaceuticals Corp. (PHIO) at $0.83 on 2026-11-09.
How this was made
The 30-second read
Why it matters
A small insider buy typically has limited market impact but can be viewed as a positive signal.
Market read
Minor relevance; the filing adds a modest insider buying signal for PHIO.
What to watch
Potential upcoming clinical data could be the real driver behind the insider's confidence.
Background
SEC Form 4 filing discloses insider transactions; this is the first public report of the purchase.
Ticker impact
Director Ronald Todd purchased 18,300 PHIO shares at $0.83 each, increasing his holding to 60,300 shares.
modest upward pressure as the market prices in the insider buy
A $15K open‑market purchase by a director is a small but positive signal; impact is limited given the modest size.
Market effects
None significant; biotech sector unchanged.
No broader regional effect.
Limited to PHIO investors.
Counterpoint
The purchase may be routine portfolio rebalancing, not a strong endorsement.
Key entities
- CompanyPhio Pharmaceuticals Corp.
Biotech firm listed on Nasdaq under ticker PHIO.
- PersonRonald Todd
Director of Phio Pharmaceuticals who made the purchase.

