SEC ownership of FENNEC PHARMACEUTICALS INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001211583.

Comparable stake leader

Rosalind Advisors, Inc.

Disclosed value leader

Rosalind Advisors, Inc.

Comparable rows

50/50

Latest evidence

30 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Rosalind Advisors, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 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
0001211583
Issuer location
Research Triangle Park, NC

Ownership snapshot

Top shareholders of FENNEC PHARMACEUTICALS INC. (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
Rosalind Advisors, Inc.
Disclosed value leader
Rosalind Advisors, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G 13F 3/4/5 Lead comparable stake: 9.6% 13D/G row: Rosalind Advisors, Inc. Showing 1-8 of 50 holder rows.

Quick read

Rosalind Advisors, Inc. leads the comparable SEC ownership view at 9.6%.

50 of 50 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 Rosalind Advisors, Inc.'s linked filing trail.
Comparable ownership Top 5
Rosalind Advisors, Inc. 9.6%
Sonic Fund II, L.P. 8.2%
Orin Hirschman 5.7%
Solas Capital Management, LLC 5.4%
DG Capital Management, LLC 4.1%

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

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Rosalind Advisors, Inc.
13D/G 13F
Company
9.6%
$35,704,330
3,321,333 shares
+$3,007,850 30 Jun 2026
Sonic Fund II, L.P.
13D/G
Kam Lawrence
8.2%
$21,503,685
2,799,959 shares
$0 31 Dec 2025
Orin Hirschman
13D/G
5.7%
$12,186,826
1,981,501 shares
$0 31 Mar 2026
Solas Capital Management, LLC
13F 13D/G
Company
5.4%
from 13D/G
$20,310,685
1,889,366 shares
30 Jun 2026
DG Capital Management, LLC
13D/G
4.1%
$6,342,597
1,114,692 shares
$0 31 Dec 2024
Southpoint Capital Advisors LP
3/4/5
10%+ Owner
7.8%
$20,585,557
2,744,741 shares
-$10,341,902 24 Dec 2025
AIGH Capital Management LLC
13F
Company
13F
7.1%
$26,724,908
2,486,038 shares
30 Jun 2026
BlackRock, Inc.
13F
Company
13F
4.9%
$18,565,992
1,727,069 shares
30 Jun 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 selling over the last 12 months. Net value: -$12,493,273.

Buys
$0
Insiders: 0
Sells
$12,493,273
Insiders: 5
Net
-$12,493,273
Shares: -1,551,407
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 1,551,407
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 116,599 $0 $1,346,486 -$1,346,486
3-6 0 39,820 $0 $291,344 -$291,344
6-9 0 1,030,740 $0 $7,742,940 -$7,742,940
9-12 0 364,248 $0 $3,112,503 -$3,112,503

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-13 of 13 reporting-owner rows connected to FENNEC PHARMACEUTICALS INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
13
Largest Forms 3/4/5 holder
Southpoint Capital Advisors LP
Net 12M change
-$12,493,273
Latest report
31 Aug 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Southpoint Capital Advisors LP 10%+ Owner $20,585,557 -$10,341,902 -33% Filing P/S 24 Dec 2025
Robert Andrade Chief Financial Officer $5,915,636 -$883,500 -13% Mixed 31 Aug 2026
Rosty Raykov Former Director $5,395,722 -$1,046,554 -16% Mixed 31 Aug 2026
Jeffrey S. Hackman Chief Executive Officer, Director $2,124,996 Mixed 31 Aug 2026
Chris A. Rallis Director $2,024,262 -$75,157 -3.6% Mixed 10 Jun 2026
Khalid Islam Director $1,773,000 Mixed 10 Jun 2026
Marco Maria Brughera Director $1,698,494 Mixed 10 Jun 2026
Jodi A. Cook Director $1,103,200 Mixed 10 Jun 2026
Christiana Marie Cioffi Chief Strategy Officer $899,423 Mixed 31 Aug 2026
Terry L. Evans Chief Commercial Officer $865,829 Mixed 31 Aug 2026
Adrian Haigh Chief Operating Officer $832,168 Mixed 16 May 2024
Pierre Sargis Sayad Chief Medical Officer $750,441 -$146,160 -16% Mixed 31 Aug 2026
Shubh Goel Chief Commercial Officer Mixed 20 Dec 2021

Recent insider transactions for FENNEC PHARMACEUTICALS INC.

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
Rosty Raykov FENC Common shares Sale -7.44% $121,100 $12.11 -10,000 124,411 01 Sep 2026 Direct
Rosty Raykov FENC Common shares Award 2.11% 2,778 134,411 31 Aug 2026 Direct
Pierre Sargis Sayad FENC Common Shares Sale -55.8% $146,160 $12.18 -12,000 9,519 31 Aug 2026 Direct
Pierre Sargis Sayad FENC Common Shares Award 0.79% 168 21,519 31 Aug 2026 Direct
Terry L. Evans FENC Common Shares Award 0.79% 168 21,519 31 Aug 2026 Direct
Christiana Marie Cioffi FENC Common shares Award 0.64% 156 24,644 31 Aug 2026 Direct
Jeffrey S. Hackman FENC Common Shares Award 1.78% 1,159 66,302 31 Aug 2026 Direct
Robert Andrade FENC Common shares Award 0.71% 1,703 241,306 31 Aug 2026 Direct
Robert Andrade FENC Common shares Options Exercise 10.1% 21,928 239,603 28 Aug 2026 Direct
Robert Andrade FENC Stock Options Options Exercise -2.74% -21,928 779,330 28 Aug 2026 Direct
Robert Andrade FENC Common shares Sale -25.6% $883,500 $11.78 -75,000 217,675 27 Aug 2026 Direct
Rosty Raykov FENC Common shares Sale -7.06% $95,800 $9.58 -10,000 131,633 03 Aug 2026 Direct
Pierre Sargis Sayad FENC Common Shares Award 0.79% 168 21,351 31 Jul 2026 Direct
Terry L. Evans FENC Common Shares Award 0.79% 168 21,351 31 Jul 2026 Direct
Christiana Marie Cioffi FENC Common shares Award 0.64% 156 24,488 31 Jul 2026 Direct
Jeffrey S. Hackman FENC Common Shares Award 1.81% 1,159 65,143 31 Jul 2026 Direct
Rosty Raykov FENC Common shares Award 2% 2,778 141,633 31 Jul 2026 Direct
Robert Andrade FENC Common shares Award 0.59% 1,703 292,675 31 Jul 2026 Direct
Rosty Raykov FENC Common shares Sale -6.47% $99,926 $10.41 -9,599 138,855 01 Jul 2026 Direct
Rosty Raykov FENC Common shares Options Exercise 11.7% 15,597 148,454 01 Jul 2026 Direct
Rosty Raykov FENC Common shares Award 2.14% 2,778 132,857 01 Jul 2026 Direct
Rosty Raykov FENC Stock Options Options Exercise -1.01% -15,597 1,525,000 01 Jul 2026 Direct
Terry L. Evans FENC Common Shares Award 0.8% 168 21,183 30 Jun 2026 Direct
Pierre Sargis Sayad FENC Common Shares Award 0.8% 168 21,183 30 Jun 2026 Direct
Jeffrey S. Hackman FENC Common Shares Award 1.84% 1,159 63,984 30 Jun 2026 Direct
Robert Andrade FENC Common shares Award 0.59% 1,703 290,972 30 Jun 2026 Direct
Christiana Marie Cioffi FENC Common shares Award 0.65% 156 24,332 30 Jun 2026 Direct
Marco Maria Brughera FENC Stock Option Award 9.28% 20,000 235,545 10 Jun 2026 Direct
Jodi A. Cook FENC Stock Options Award 14.3% 20,000 160,000 10 Jun 2026 Direct
Khalid Islam FENC Stock Option Award 11.1% 25,000 250,000 10 Jun 2026 Direct
Chris A. Rallis FENC Stock Option Award 11.1% 20,000 200,000 10 Jun 2026 Direct
Rosty Raykov FENC Common shares Sale -6.97% $93,766 $9.62 -9,747 130,079 01 Jun 2026 Direct
Rosty Raykov FENC Common shares Options Exercise 12.6% 15,597 139,826 01 Jun 2026 Direct
Rosty Raykov FENC Stock Options Options Exercise -0.99% -15,597 1,556,195 01 Jun 2026 Direct
Rosty Raykov FENC Common shares Award 2.29% 2,778 124,229 31 May 2026 Direct
Christiana Marie Cioffi FENC Common shares Award 0.65% 156 24,176 31 May 2026 Direct
Terry L. Evans FENC Common Shares Award 0.81% 168 21,015 31 May 2026 Direct
Pierre Sargis Sayad FENC Common Shares Award 0.81% 168 21,015 31 May 2026 Direct
Jeffrey S. Hackman FENC Common Shares Award 1.88% 1,159 62,825 31 May 2026 Direct
Robert Andrade FENC Common shares Award 0.59% 1,703 289,269 31 May 2026 Direct
Chris A. Rallis FENC Common Shares Sale -11.7% $58,756 $7.04 -8,346 63,077 11 May 2026 Direct
Chris A. Rallis FENC Common Shares Options Exercise 25.1% 14,344 71,423 11 May 2026 Direct
Chris A. Rallis FENC Stock Option Options Exercise -7.15% -14,344 186,189 11 May 2026 Direct
Rosty Raykov FENC Common shares Sale -8.15% $69,753 $6.47 -10,781 121,451 01 May 2026 Direct
Rosty Raykov FENC Common shares Options Exercise 13.4% 15,598 132,232 01 May 2026 Direct
Rosty Raykov FENC Stock Options Options Exercise -0.98% -15,598 1,571,792 01 May 2026 Direct
Rosty Raykov FENC Common shares Options Exercise 2.44% 2,778 116,634 30 Apr 2026 Direct
Terry L. Evans FENC Common Shares Options Exercise 0.81% 168 20,847 30 Apr 2026 Direct
Christiana Marie Cioffi FENC Common shares Options Exercise 0.65% 155 24,020 30 Apr 2026 Direct
Jeffrey S. Hackman FENC Common Shares Options Exercise 1.92% 1,159 61,666 30 Apr 2026 Direct
* marks a reported price that did not pass the local price check.
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