SEC ownership of Phio Pharmaceuticals Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001533040.

Comparable stake leader

CVI Investments, Inc.

Disclosed value leader

CVI Investments, Inc.

Comparable rows

34/39

Latest evidence

26 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
34 of 39
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
CVI Investments, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
26 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001533040
Issuer location
King Of Prussia, PA

Ownership snapshot

Top shareholders of Phio Pharmaceuticals Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
CVI Investments, Inc.
Disclosed value leader
CVI Investments, Inc.
Comparable rows
34/39
Latest evidence
26 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 9.9% 5 rows are not safely comparable across share classes. 13D/G row: CVI Investments, Inc. Showing 1-8 of 39 holder rows.

Quick read

CVI Investments, Inc. leads the comparable SEC ownership view at 9.9%.

34 of 39 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens CVI Investments, Inc.'s linked filing trail.
Comparable ownership Top 5
CVI Investments, Inc. 9.9%
INTRACOASTAL CAPITAL, LLC 9.1%
Orca Capital AG 4.9%
Robert J. Bitterman 3.5%
Lisa Cabott Carson 0.78%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 39 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
CVI Investments, Inc.
13D/G
9.9%
$1,409,768
1,194,719 shares
+$544,422 31 Dec 2025
INTRACOASTAL CAPITAL, LLC
13D/G
Mitchell P. Kopin
9.1%
$1,348,216
1,142,556 shares
+$840,816 31 Dec 2025
Orca Capital AG
13D/G
4.9%
$770,351
538,707 shares
-$231,251 08 Dec 2025
Robert J. Bitterman
3/4/5
Chairman, Pres. & CEO, Director
3.5%
$417,206
421,421 shares
+$32,200 26 Jun 2026
Lisa Cabott Carson
3/4/5
Chief Financial Officer
0.78%
$95,880
94,000 shares
05 Feb 2026
Patricia A. Bradford
3/4/5
Director
0.38%
$46,564
45,651 shares
05 Feb 2026
Robert L. Ferrara
3/4/5
Director
0.32%
$82,959
38,766 shares
11 Sep 2025
David H. Deming
3/4/5
Director
0.31%
$38,556
37,800 shares
05 Feb 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$32,200.

Buys
$32,200
Insiders: 1
Sells
$0
Insiders: 0
Net
+$32,200
Shares: +30,000
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 30,000 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 10,000 0 $9,900 $0 +$9,900
3-6 0 0 $0 $0 $0
6-9 20,000 0 $22,300 $0 +$22,300
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-12 of 12 reporting-owner rows connected to Phio Pharmaceuticals Corp.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
12
Largest Forms 3/4/5 holder
Robert J. Bitterman
Net 12M change
+$32,200
Latest report
26 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Robert J. Bitterman Chairman, Pres. & CEO, Director $417,206 +$32,200 +8.4% Filing P/S 26 Jun 2026
Gerrit Dispersyn President & CEO, Director $320,614 Mixed 01 Mar 2022
Lisa Cabott Carson Chief Financial Officer $95,880 Mixed 05 Feb 2026
Robert L. Ferrara Director $82,959 Mixed 11 Sep 2025
Patricia A. Bradford Director $46,564 Mixed 05 Feb 2026
David H. Deming Director $38,556 Mixed 05 Feb 2026
Curtis Lockshin Director $35,858 Mixed 05 Feb 2026
Jonathan E. Freeman Director $33,308 Mixed 05 Feb 2026
H. Paul Dorman Director $30,759 Mixed 15 Feb 2022
Caitlin Kontulis Secretary & VP Finance & Admin $10,196 Mixed 01 Mar 2024
Robert M. Infarinato Vp, Cfo $8,140 Mixed 11 Sep 2024
Geert Cauwenbergh Director $6,395 Mixed 17 Feb 2023

Recent insider transactions for Phio Pharmaceuticals Corp.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Robert J. Bitterman PHIO Common Stock, $.0001 par value Purchase 2.43% $9,900 $0.9900 10,000 421,421 26 Jun 2026 Direct
Curtis Lockshin PHIO Common Stock, $.0001 par value Award 89.5% 16,600 35,155 05 Feb 2026 Direct
Jonathan E. Freeman PHIO Common Stock, $.0001 par value Award 103.4% 16,600 32,655 05 Feb 2026 Direct
David H. Deming PHIO Common Stock, $.0001 par value Award 170% 23,800 37,800 05 Feb 2026 Direct
Lisa Cabott Carson PHIO Common Stock, $.0001 par value Award 100% 47,000 94,000 05 Feb 2026 Direct
Patricia A. Bradford PHIO Common Stock, $.0001 par value Award 68.1% 18,500 45,651 05 Feb 2026 Direct
Robert J. Bitterman PHIO Common Stock, $.0001 par value Award 41.2% 120,000 411,421 05 Feb 2026 Direct
Robert J. Bitterman PHIO Common Stock, $.0001 par value Purchase 1.75% $5,150 $1.03 5,000 291,421 31 Dec 2025 Direct
Robert J. Bitterman PHIO Common Stock, $.0001 par value Purchase 1.78% $5,100 $1.02 5,000 286,421 23 Dec 2025 Direct
Robert J. Bitterman PHIO Common Stock, $.0001 par value Purchase 1.81% $5,700 $1.14 5,000 281,421 21 Nov 2025 Direct
Robert J. Bitterman PHIO Common Stock, $.0001 par value Purchase 1.84% $6,350 $1.27 5,000 276,421 18 Nov 2025 Direct
Robert L. Ferrara PHIO Common Stock, $.0001 par value Award 147.4% 23,100 38,766 11 Sep 2025 Direct
David H. Deming PHIO Common Stock, $.0001 par value Award 14,000 14,000 11 Sep 2025 Direct
Curtis Lockshin PHIO Common Stock, $.0001 par value Award 687.9% 16,200 18,555 11 Sep 2025 Direct
Jonathan E. Freeman PHIO Common Stock, $.0001 par value Award 1084.9% 14,700 16,055 11 Sep 2025 Direct
Lisa Cabott Carson PHIO Common Stock, $.0001 par value Award 47,000 47,000 11 Sep 2025 Direct
Patricia A. Bradford PHIO Common Stock, $.0001 par value Award 225.1% 18,800 27,151 11 Sep 2025 Direct
Robert J. Bitterman PHIO Common Stock, $.0001 par value Award 1167.1% 250,000 271,421 11 Sep 2025 Direct
Robert J. Bitterman PHIO Common Stock, $.0001 par value Tax liability -16.1% -4,111 21,421 11 Sep 2025 Direct
* marks a reported price that did not pass the local price check.
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