// company-profile
Phio Pharmaceuticals Corp.
PHIOExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings39Insiders9
// api This Phio Pharmaceuticals Corp. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for PHIO in the last 90 days.
Institutional Ownership
Top 13F-HR holders of Phio Pharmaceuticals Corp. as of 2026-03-31
Total reported AUM
$702,450
QoQ change
+89.2%
Reporting period
2026-03-31
#1
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
$149,524
123K shares
#2
JANE STREET GROUP, LLC
CIK 1595888
$144,970
119K shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$97,421
80K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Feb 5, 2026 | Freeman Jonathan E | PHIO | Award | 16,600 | $0.00 | $0K |
| Feb 5, 2026 | Lockshin Curtis | PHIO | Award | 16,600 | $0.00 | $0K |
| Feb 5, 2026 | Deming David H | PHIO | Award | 23,800 | $0.00 | $0K |
| Feb 5, 2026 | Carson Lisa Cabott | PHIO | Award | 47,000 | $0.00 | $0K |
| Feb 5, 2026 | Bitterman Robert J | PHIO | Award | 120,000 | $0.00 | $0K |
37 more transactions hidden
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