Fennec Pharmaceuticals Inc. (FENC) has 20 known insider and institutional holders on record. The largest holder is Butts Robert W with 41,504,000 shares. Other notable holders include Spector Thomas and PORTER ARTHUR T.
Over the last 12 months, insiders have made 72 transactions in FENC stock — 50 buys (valued at $1.1M) and 22 sells (valued at $11.44M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
FENC Insider Ownership
Top Holder
Butts Robert W
41,504,000 shares
Buys (12 mo)
50
$1.1M value
Sells (12 mo)
22
$11.44M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Butts Robert W |
10 Percent Owner, Officer: Chairman of Board |
41,504,000 |
2010-06-11 |
|
| 2 |
Spector Thomas |
Na |
17,493,939 |
2010-08-20 |
|
| 3 |
Porter Arthur T |
Director |
4,603,668 |
2010-08-20 |
|
| 4 |
Breen William G |
Director |
4,603,668 |
2010-08-20 |
|
| 5 |
Bussandri Claudio F |
Director |
4,603,668 |
2010-08-20 |
|
| 6 |
Southpoint Master Fund, Lp |
10 Percent Owner |
3,997,214 |
2017-09-13 |
|
| 7 |
Essetifin Spa |
10 Percent Owner |
3,993,694 |
2020-05-04 |
|
| 8 |
Southpoint Capital Advisors Lp |
10 Percent Owner |
2,744,741 |
2025-12-29 |
|
| 9 |
Norris Robin J |
President |
2,187,000 |
2009-11-16 |
|
| 10 |
Manchester Management Pr, Llc |
10 Percent Owner |
2,017,357 |
2018-03-29 |
|
| 11 |
Peters William P |
Chairman and CEO |
2,000,000 |
2008-02-29 |
|
| 12 |
Manchester Management Co Llc |
10 Percent Owner |
1,285,127 |
2018-03-29 |
|
| 13 |
Haigh Adrian |
Chief Operating Officer |
410,246 |
2024-05-21 |
|
| 14 |
Murray D Scott |
SVP, Gen Counsel & Corp Secty |
400,000 |
2008-02-29 |
|
| 15 |
Klein James A Jr |
CFO |
400,000 |
2008-02-29 |
|
| 16 |
Andrade Robert |
Chief Financial Officer |
285,863 |
2026-04-02 |
|
| 17 |
Islam Khalid |
Director |
225,000 |
2025-06-04 |
|
| 18 |
Brughera Marco Maria |
Director |
215,545 |
2025-06-04 |
|
| 19 |
Cook Jodi A |
Director |
140,000 |
2025-06-04 |
|
| 20 |
Raykov Rosty |
Director |
109,204 |
2026-04-02 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-31 |
Cioffi Christiana Marie |
Chief Strategy Officer |
Option Exercise |
17,106 |
- |
- |
| 2026-03-28 |
Cioffi Christiana Marie |
Chief Strategy Officer |
Option Exercise |
1,901 |
- |
- |
| 2026-03-31 |
Sayad Pierre Sargis |
Chief Medical Officer |
Option Exercise |
18,456 |
- |
- |
| 2026-03-28 |
Sayad Pierre Sargis |
Chief Medical Officer |
Option Exercise |
2,052 |
- |
- |
| 2026-03-31 |
Evans Terry L |
Chief Commercial Officer |
Option Exercise |
18,456 |
- |
- |
| 2026-03-28 |
Evans Terry L |
Chief Commercial Officer |
Option Exercise |
2,052 |
- |
- |
| 2026-03-31 |
Hackman Jeffrey S. |
Chief Executive Officer |
Option Exercise |
16,695 |
- |
- |
| 2026-03-28 |
Hackman Jeffrey S. |
Chief Executive Officer |
Option Exercise |
13,943 |
- |
- |
| 2026-04-01 |
Raykov Rosty |
Director |
Informative Sell |
10,946 |
$6.31 |
$69.07K |
| 2026-03-31 |
Raykov Rosty |
Director |
RSU Award |
5,208 |
- |
- |
| 2026-03-31 |
Andrade Robert |
Chief Financial Officer |
Option Exercise |
14,724 |
- |
- |
| 2026-03-28 |
Andrade Robert |
Chief Financial Officer |
Option Exercise |
12,270 |
- |
- |
| 2026-03-26 |
Cioffi Christiana Marie |
Chief Strategy Officer |
Option Exercise |
4,700 |
$4.23 |
$19.88K |
| 2026-03-26 |
Andrade Robert |
Chief Financial Officer |
Option Exercise |
13,072 |
$5.10 |
$66.67K |
| 2026-03-02 |
Raykov Rosty |
Director |
Informative Sell |
10,079 |
$8.36 |
$84.26K |
| 2026-02-28 |
Raykov Rosty |
Director |
RSU Award |
5,208 |
- |
- |
| 2026-02-28 |
Andrade Robert |
Chief Financial Officer |
RSU Award |
1,191 |
- |
- |
| 2026-02-18 |
Hackman Jeffrey S. |
Chief Executive Officer |
Option Exercise |
13,710 |
- |
- |
| 2026-02-18 |
Andrade Robert |
Chief Financial Officer |
Option Exercise |
2,450 |
$4.08 |
$10K |
| 2026-02-02 |
Raykov Rosty |
Director |
Informative Sell |
10,349 |
$7.76 |
$80.31K |
| 2026-01-31 |
Raykov Rosty |
Director |
RSU Award |
5,208 |
- |
- |
| 2026-01-31 |
Andrade Robert |
Chief Financial Officer |
RSU Award |
1,558 |
- |
- |
| 2026-01-23 |
Andrade Robert |
Chief Financial Officer |
Option Exercise |
10,000 |
$2.45 |
$24.5K |
| 2026-01-15 |
Andrade Robert |
Chief Financial Officer |
Option Exercise |
10,000 |
$2.45 |
$24.5K |
| 2026-01-07 |
Andrade Robert |
Chief Financial Officer |
Option Exercise |
14,184 |
$2.45 |
$34.75K |
