PHIO insider trading — Phio Pharmaceuticals Corp.
Over the last 90 days, insiders at Phio Pharmaceuticals Corp. (PHIO) made 7 open-market purchases worth $59K and 0 open-market sales worth $0, making them net buyers by $59K. The largest purchase was by Plott Ronald Todd (Director), who bought 15,000 shares for $17K on Aug 19, 2026. 3 different insiders bought shares in this period — a cluster buy, which many investors watch closely.
Updated Oct 16, 2026.
Recent PHIO insider transactions
Every Form 4 filed by Phio Pharmaceuticals Corp. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | Plott Ronald Todd | Director | P · Purchase | Direct | 5,000 | $1.04 | $5K | Form 4 |
| Sep 28, 2026 | Plott Ronald Todd | Director | P · Purchase | Direct | 5,000 | $1.03 | $5K | Form 4 |
| Sep 28, 2026 | Bitterman Robert J | Chairman, Pres. & CEO | A · Grant/award | Direct | 400,000 | — | — | Form 4 |
| Sep 28, 2026 | Carson Lisa Cabott | Chief Financial Officer | A · Grant/award | Direct | 108,000 | — | — | Form 4 |
| Sep 28, 2026 | Plott Ronald Todd | Director | A · Grant/award | Direct | 17,000 | — | — | Form 4 |
| Sep 24, 2026 | Bradford Patricia A | Director | P · Purchase | Direct | 6,500 | $1.01 | $7K | Form 4 |
| Sep 22, 2026 | Bitterman Robert J | Chairman, Pres. & CEO | P · Purchase | Direct | 2,000 | $1.03 | $2K | Form 4 |
| Sep 15, 2026 | Bradford Patricia A | Director | P · Purchase | Direct | 12,000 | $1.03 | $12K | Form 4 |
| Sep 11, 2026 | Bitterman Robert J | Chairman, Pres. & CEO | F · Tax withholding | Direct | 68,550 | $1.03 | $71K | Form 4 |
| Sep 11, 2026 | Carson Lisa Cabott | Chief Financial Officer | F · Tax withholding | Direct | 12,888 | $1.03 | $13K | Form 4 |
| Aug 19, 2026 | Plott Ronald Todd | Director | P · Purchase | Direct | 15,000 | $1.14 | $17K | Form 4 |
| Aug 18, 2026 | Bitterman Robert J | Chairman, Pres. & CEO | P · Purchase | Direct | 10,000 | $1.06 | $11K | Form 4 |
PHIO insider trading FAQ
Are insiders buying PHIO stock?
Yes. In the last 90 days, Phio Pharmaceuticals Corp. insiders made 7 open-market purchases totaling $59K, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading PHIO?
Recent buyers: Bitterman Robert J, Bradford Patricia A, Plott Ronald Todd.
Where does PHIO insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.