Phio Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:PHIO Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
23 Dec 25	BuyUS$5,100	Robert Bitterman	Individual	5,000	US$1.02
21 Nov 25	BuyUS$5,700	Robert Bitterman	Individual	5,000	US$1.14
18 Nov 25	BuyUS$6,350	Robert Bitterman	Individual	5,000	US$1.27
10 Jun 25	BuyUS$6,050	Robert Ferrara	Individual	2,500	US$2.42
10 Jun 25	BuyUS$4,840	Robert Bitterman	Individual	2,000	US$2.42
09 Jun 25	BuyUS$4,125	Robert Bitterman	Individual	1,500	US$2.75
22 May 25	BuyUS$7,446	Robert Bitterman	Individual	4,200	US$1.78
20 May 25	BuyUS$4,550	Robert Ferrara	Individual	2,500	US$1.82

Insider Trading Volume

Insider Buying: PHIO insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of PHIO?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	64,148	0.596%
Institutions	779,697	7.24%
General Public	9,920,583	92.2%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 521.4%.

Top Shareholders

Top 20 shareholders own 7.84% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
5%	Orca Capital GmbH	538,707	US$565.6k	92%	7.9%
0.81%	The Vanguard Group, Inc.	87,628	US$92.0k	80.1%	no data
0.54%	Geode Capital Management, LLC	57,906	US$60.8k	0.37%	no data
0.46%	Nomura Investment Management Business Trust	50,000	US$52.5k	0%	no data
0.34%	Robert Bitterman	36,421	US$38.2k	70%	no data
0.31%	Cetera Investment Advisers LLC	33,500	US$35.2k	3.08%	no data
0.15%	Robert Ferrara	15,666	US$16.4k	176%	no data
0.078%	Patricia Bradford	8,351	US$8.8k	2,270%	no data
0.056%	Morgan Stanley	6,000	US$6.3k	0%	no data
0.023%	Heights Capital Management, Inc.	2,500	US$2.6k	-97.3%	no data
0.022%	Curtis Lockshin	2,355	US$2.5k	562%	no data
0.013%	Bank of America Corporation	1,400	US$1.5k	2,940%	no data
0.013%	Jonathan Freeman	1,355	US$1.4k	281%	no data
0.01%	SBI Holdings, Inc.	1,101	US$1.2k	-42.3%	no data
0.0038%	BNP Paribas Financial Markets SNC	413	US$434.0	0%	no data
0.0038%	Tower Research Capital Europe Limited	406	US$426.1	0%	no data
0.001%	AssetMark, Inc.	110	US$115.3	0%	no data
0.00012%	UBS Asset Management AG	13	US$13.6	0%	no data
0.00008%	Activest Wealth Management, LLC	9	US$9.0	0%	no data
0.00004%	Blackstone Inc.	4	US$4.5	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/01/02 20:12
End of Day Share Price	2025/12/31 00:00
Earnings	2025/09/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Phio Pharmaceuticals Corp. is covered by 4 analysts. 2 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Maxim Jacobs	Edison Investment Research
Vernon Bernardino	H.C. Wainwright & Co.
Matthew Keller	H.C. Wainwright & Co.