8 insiders reported 28 Form 4 transactions for Phio Pharmaceuticals Corp. (PHIO) over the past 18 months (most recent 2026-08-20). Recent activity: Plott Ronald Todd (Director) Buy 15,000 shares, Bitterman Robert J (Chairman, Pres. & CEO) Buy 10,000 shares, Bitterman Robert J (Chairman, Pres. & CEO) Buy 10,000 shares, BRADFORD PATRICIA A (Director) Buy 18,500 shares, Freeman Jonathan E (Director) Buy 16,600 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Plott Ronald Todd | Director | Buy | 15,000 | $17,100 |
| 2026-08-19 | Bitterman Robert J | Chairman, Pres. & CEO | Buy | 10,000 | $10,600 |
| 2026-06-29 | Bitterman Robert J | Chairman, Pres. & CEO | Buy | 10,000 | $9,900 |
| 2026-02-06 | BRADFORD PATRICIA A | Director | Buy | 18,500 | $0 |
| 2026-02-06 | Freeman Jonathan E | Director | Buy | 16,600 | $0 |
| 2026-02-06 | Carson Lisa Cabott | Chief Financial Officer | Buy | 47,000 | $0 |
| 2026-02-06 | Lockshin Curtis | Director | Buy | 16,600 | $0 |
| 2026-02-06 | Bitterman Robert J | Chairman, Pres. & CEO | Buy | 120,000 | $0 |
| 2026-02-06 | Deming David H | Director | Buy | 23,800 | $0 |
| 2026-01-02 | Bitterman Robert J | Chairman, Pres. & CEO | Buy | 5,000 | $5,150 |
| 2025-12-29 | Bitterman Robert J | Chairman, Pres. & CEO | Buy | 5,000 | $5,100 |
| 2025-11-24 | Bitterman Robert J | Chairman, Pres. & CEO | Buy | 5,000 | $5,700 |
| 2025-11-19 | Bitterman Robert J | Chairman, Pres. & CEO | Buy | 5,000 | $6,350 |
| 2025-09-15 | Carson Lisa Cabott | VP, Finance and Administration | Buy | 47,000 | $0 |
| 2025-09-15 | Freeman Jonathan E | Director | Buy | 14,700 | $0 |
| 2025-09-15 | Lockshin Curtis | Director | Buy | 16,200 | $0 |
| 2025-09-15 | Ferrara Robert L | Director | Buy | 23,000 | $0 |
| 2025-09-15 | BRADFORD PATRICIA A | Director | Buy | 18,800 | $0 |
| 2025-09-15 | Deming David H | Director | Buy | 14,000 | $0 |
| 2025-09-15 | Bitterman Robert J | Chairman, Pres. & CEO | Sell | 4,111 | $9,538 |
| 2025-09-15 | Bitterman Robert J | Chairman, Pres. & CEO | Buy | 250,000 | $0 |
| 2025-09-15 | Ferrara Robert L | Director | Buy | 23,100 | $0 |
| 2025-06-11 | Ferrara Robert L | Director | Buy | 2,500 | $6,050 |
| 2025-06-11 | Bitterman Robert J | Chairman, Pres & CEO | Buy | 2,000 | $4,840 |
| 2025-06-10 | Bitterman Robert J | Chairman, Pres & CEO | Buy | 1,500 | $4,125 |
Source: SEC Form 4 filings · as of 2026-08-20