PHIO insider transaction filings
Phio Pharmaceuticals Corp. — 42 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-16. Screen PHIO transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 6 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 4 legs across 4 filings by 3 insiders — 47,000 shares, $49,960 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 2.
- Largest priced transaction: purchase of 15,000 shares @ $1.14 ($17,100) by Plott Ronald Todd, filed 2026-08-20.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Bitterman Robert J — Chairman, Pres. & CEO, Director | 3 | 2 legs · 20,000 sh · $20,500 | — | 1 |
| Plott Ronald Todd — Director | 1 | 1 leg · 15,000 sh · $17,100 | — | — |
| BRADFORD PATRICIA A — Director | 1 | 1 leg · 12,000 sh · $12,360 | — | — |
| Carson Lisa Cabott — Chief Financial Officer | 1 | — | — | 1 |
Recent Form 4 filings — Phio Pharmaceuticals Corp.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | BRADFORD PATRICIA A — Director | Purchase (P): 12,000 @ $1.03 | EDGAR |
| 2026-09-15 | 4 | Bitterman Robert J — Chairman, Pres. & CEO, Director | Tax withholding (F): 68,550 @ $1.03 | EDGAR |
| 2026-09-15 | 4 | Carson Lisa Cabott — Chief Financial Officer | Tax withholding (F): 12,888 @ $1.03 | EDGAR |
| 2026-08-20 | 4 | Plott Ronald Todd — Director | Purchase (P): 15,000 @ $1.14 | EDGAR |
| 2026-08-19 | 4 | Bitterman Robert J — Chairman, Pres. & CEO, Director | Purchase (P): 10,000 @ $1.06 | EDGAR |
| 2026-06-29 | 4 | Bitterman Robert J — Chairman, Pres. & CEO, Director | Purchase (P): 10,000 @ $0.99 | EDGAR |
| 2026-02-06 | 4 | Freeman Jonathan E — Director | Grant/award (A): 16,600 @ $0 | EDGAR |
| 2026-02-06 | 4 | Deming David H — Director | Grant/award (A): 23,800 @ $0 | EDGAR |
| 2026-02-06 | 4 | Carson Lisa Cabott — Chief Financial Officer | Grant/award (A): 47,000 @ $0 | EDGAR |
| 2026-02-06 | 4 | Lockshin Curtis — Director | Grant/award (A): 16,600 @ $0 | EDGAR |
| 2026-02-06 | 4 | BRADFORD PATRICIA A — Director | Grant/award (A): 18,500 @ $0 | EDGAR |
| 2026-02-06 | 4 | Bitterman Robert J — Chairman, Pres. & CEO, Director | Grant/award (A): 120,000 @ $0 | EDGAR |
| 2026-01-02 | 4 | Bitterman Robert J — Chairman, Pres. & CEO, Director | Purchase (P): 5,000 @ $1.03 | EDGAR |
| 2025-12-29 | 4 | Bitterman Robert J — Chairman, Pres. & CEO, Director | Purchase (P): 5,000 @ $1.02 | EDGAR |
| 2025-11-24 | 4 | Bitterman Robert J — Chairman, Pres. & CEO, Director | Purchase (P): 5,000 @ $1.14 | EDGAR |
| 2025-11-19 | 4 | Bitterman Robert J — Chairman, Pres. & CEO, Director | Purchase (P): 5,000 @ $1.27 | EDGAR |
| 2025-09-15 | 4 | Deming David H — Director | Grant/award (A): 14,000 @ $0 | EDGAR |
| 2025-09-15 | 4 | Freeman Jonathan E — Director | Grant/award (A): 14,700 @ $0 | EDGAR |
| 2025-09-15 | 4 | Ferrara Robert L — Director | Grant/award (A): 23,000 @ $0 | EDGAR |
| 2025-09-15 | 4 | Carson Lisa Cabott — VP, Finance and Administration | Grant/award (A): 47,000 @ $0 | EDGAR |
| 2025-09-15 | 4/A | Ferrara Robert L — Director | Grant/award (A): 23,100 @ $0 | EDGAR |
| 2025-09-15 | 4 | Lockshin Curtis — Director | Grant/award (A): 16,200 @ $0 | EDGAR |
| 2025-09-15 | 4 | BRADFORD PATRICIA A — Director | Grant/award (A): 18,800 @ $0 | EDGAR |
| 2025-09-15 | 4 | Bitterman Robert J — Chairman, Pres. & CEO, Director | Tax withholding (F): 4,111 @ $2.32 · Grant/award (A): 250,000 @ $0 | EDGAR |
| 2025-06-11 | 4 | Ferrara Robert L — Director | Purchase (P): 2,500 @ $2.42 | EDGAR |
| 2025-06-11 | 4 | Bitterman Robert J — Chairman, Pres & CEO, Director | Purchase (P): 2,000 @ $2.42 | EDGAR |
| 2025-06-10 | 4 | Bitterman Robert J — Chairman, Pres & CEO, Director | Purchase (P): 1,500 @ $2.75 | EDGAR |
| 2025-05-23 | 4 | Bitterman Robert J — Chairman, Pres & CEO, Director | Purchase (P): 3,000 @ $1.77 · Purchase (P): 1,200 @ $1.78 | EDGAR |
| 2025-05-21 | 4 | Ferrara Robert L — Director | Purchase (P): 2,500 @ $1.82 | EDGAR |
| 2024-09-13 | 4 | Infarinato Robert M. — VP, CFO | Grant/award (A): 3,000 @ $0 | EDGAR |
| 2024-09-13 | 4 | Freeman Jonathan E — Director | Grant/award (A): 1,000 @ $0 | EDGAR |
| 2024-09-13 | 4 | Bitterman Robert J — Chairman, Pres & CEO, Director | Grant/award (A): 15,500 @ $0 | EDGAR |
| 2024-09-12 | 4 | Ferrara Robert L — Director | Grant/award (A): 10,000 @ $0 | EDGAR |
| 2024-09-12 | 4 | Lockshin Curtis — Director | Grant/award (A): 2,000 @ $0 | EDGAR |
| 2024-09-12 | 4 | BRADFORD PATRICIA A — Director | Grant/award (A): 8,000 @ $0 | EDGAR |
| 2024-08-15 | 4 | Infarinato Robert M. — VP, Chief Financial Officer | Grant/award (A): 8,000 @ $0 | EDGAR |
| 2024-06-11 | 4 | Bitterman Robert J — President & CEO, Director | Purchase (P): 1,000 @ $0.74 | EDGAR |
| 2024-06-10 | 4 | Bitterman Robert J — President & CEO, Director | Purchase (P): 1,000 @ $0.75 | EDGAR |
| 2024-03-05 | 4 | Kontulis Caitlin — Secretary & VP Finance & Admin | Tax withholding (F): 335 @ $0.96 | EDGAR |
| 2024-02-27 | 4 | Bitterman Robert J — President & CEO, Director | Purchase (P): 2,500 @ $0.91 | EDGAR |
| 2024-02-22 | 4 | Bitterman Robert J — President & CEO, Director | Tax withholding (F): 1,804 @ $0.76 | EDGAR |
| 2024-02-20 | 4 | Kontulis Caitlin — Secretary & VP Finance & Admin | Tax withholding (F): 658 @ $0.65 · Tax withholding (F): 523 @ $0.66 | EDGAR |
Recent 8-K events — Phio Pharmaceuticals Corp.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-14 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-21 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-08 | 8-K | 1.01 — Entry into a Material Definitive Agreement 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-30 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-03-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-18 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-02-10 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-20 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?ticker=PHIO returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new ones to you in seconds. API docs →