PHIO
Phio Pharmaceuticals Corp. · Healthcare · Market cap $10.4M
Insiders bought $59K net in the last 90 days ·0 sellers, 3 buyers· latest Form 4 filed Sep 30, 2026
Insider Buying
$91K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Latest filing
Sep 30, 2026
Plott Ronald Todd
Phio Pharmaceuticals Corp. (PHIO) has 22 SEC Form 4 filings (23 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Sep 30, 2026.
Inside the rolling window, 3 insiders at Phio Pharmaceuticals Corp. reported 12 open-market purchases totaling $91K and no open-market sales. The most active filer is Chairman, Pres. & CEO Bitterman Robert J with 7 filings. The most recent open-market filing is a purchase of 5,000 shares by Director Plott Ronald Todd, dated Sep 28, 2026, worth $5K.
- Industry:Biotechnology
- CEO:Robert L. Bitterman
- Employees:6
- HQ:King of Prussia, PA, US
- IPO:2012-05-10
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Purchase | 5,000 | $5K | Sep 30 | -13.4% | SEC ↗ | |
| Director | Purchase | 5,000 | $5K | Sep 30 | -13.4% | SEC ↗ | |
| Director | Purchase | 6,500 | $7K | Sep 25 | -11.7% | SEC ↗ | |
| Chairman, Pres. & CEO | Purchase | 2,000 | $2K | Sep 23 | -12.5% | SEC ↗ | |
BRADFORD PATRICIA AFirst filing | Director | Purchase | 12,000 | $12K | Sep 16 | -10.7% | SEC ↗ |
Plott Ronald ToddFirst filing | Director | Purchase | 15,000 | $17K | Aug 20 | -26.3% | SEC ↗ |
| Chairman, Pres. & CEO | Purchase | 10,000 | $11K | Aug 19 | -22.4% | SEC ↗ | |
Bitterman Robert JFirst in 6 months | Chairman, Pres. & CEO | Purchase | 10,000 | $10K | Jun 29 | -9.4% | SEC ↗ |
| Chairman, Pres. & CEO | Purchase | 5,000 | $5K | Jan 2 | -18.2% | SEC ↗ | |
| Chairman, Pres. & CEO | Purchase | 5,000 | $5K | Dec 29 | -15.8% | SEC ↗ | |
| Chairman, Pres. & CEO | Purchase | 5,000 | $6K | Nov 24 | — | SEC ↗ | |
Bitterman Robert JFirst filing | Chairman, Pres. & CEO | Purchase | 5,000 | $6K | Nov 19 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does PHIO have?
Phio Pharmaceuticals Corp. (PHIO) has 22 SEC Form 4 filings (23 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Sep 30, 2026.
When was the most recent SEC Form 4 filing for PHIO?
The most recent Form 4 filing for PHIO on Tracefour is dated Sep 30, 2026.
Who is the most active insider at PHIO?
The most active SEC Form 4 filer at PHIO in the rolling window is Chairman, Pres. & CEO Bitterman Robert J, with 7 filings.
What is the net insider flow at PHIO over the last 6 months?
Over the trailing 180 days, insiders at PHIO have net bought $69K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at PHIO in the current window?
Inside the rolling window, insiders at PHIO bought $91K and sold $0 based on SEC Form 4 filings.
Can I get alerts for PHIO insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Phio Pharmaceuticals Corp. (PHIO). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Phio Pharmaceuticals Corp. is in the Healthcare sector.