Phio Pharmaceuticals Corp. (PHIO) insider trading
Phio Pharmaceuticals Corp. insiders have made 4 open-market purchases worth $31k since Sep 16, 2026, by 3 different insiders. The latest: Ronald Todd Plott (Director) bought $10k, filed Sep 30, 2026, scored 30 out of 100. The biggest: $12k by Patricia A. Bradford, filed Sep 16, 2026.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 30 Form 4 (opens sec.gov) |
Ronald Todd PlottDirectorDirector · Near 52-week low · Penny stock: hard to trade | +31% stake | 30 | $10k 10,000 at $1.03 |
— | — |
| Sep 25 Form 4 (opens sec.gov) |
Patricia A. BradfordDirectorDirector · Near 52-week low · Penny stock: hard to trade | +11% stake | 25 | $7k 6,500 at $1.01 |
— | — |
| Sep 23 Form 4 (opens sec.gov) |
Robert J. BittermanChairChair · Near 52-week low · Penny stock: hard to trade | +1% stake | 26 | $2k 2,000 at $1.03 |
— | — |
| Sep 16 Form 4 (opens sec.gov) |
Patricia A. BradfordDirectorDirector · Near 52-week low · Penny stock: hard to trade | +26% stake | 30 | $12k 12,000 at $1.03 |
— | — |
Insiders who bought PHIO
- Ronald Todd Plott Director
- Patricia A. Bradford Director
- Robert J. Bitterman Chair
Questions
Are insiders buying PHIO stock?
Yes. In the last 90 days, 4 open-market purchases were filed, worth $31k.
Who bought PHIO stock most recently?
Ronald Todd Plott, Director, bought 10,000 shares for $10k (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