Insider Transactions in Q4 2025 at Ionis Pharmaceuticals Inc (IONS)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 01
2025
|
Joseph H Wender Director |
SELL
Open market or private sale
|
Indirect |
28,000
-24.61%
|
$2,240,000
$80.95 P/Share
|
|
Nov 25
2025
|
Shannon L. Devers EVP, Chief Human Resources Ofc |
SELL
Open market or private sale
|
Direct |
16,777
-48.95%
|
$1,342,160
$80.91 P/Share
|
|
Nov 25
2025
|
Shannon L. Devers EVP, Chief Human Resources Ofc |
BUY
Exercise of conversion of derivative security
|
Direct |
16,777
+32.87%
|
$889,181
$53.77 P/Share
|
|
Nov 25
2025
|
Joseph Klein Iii Director |
SELL
Open market or private sale
|
Indirect |
12,000
-100.0%
|
$960,000
$80.0 P/Share
|
|
Nov 25
2025
|
Joseph Klein Iii Director |
BUY
Exercise of conversion of derivative security
|
Indirect |
12,000
+50.0%
|
-
|
|
Nov 19
2025
|
Joan E Herman Director |
SELL
Open market or private sale
|
Direct |
44,000
-30.82%
|
$3,168,000
$72.13 P/Share
|
|
Nov 19
2025
|
Joan E Herman Director |
BUY
Exercise of conversion of derivative security
|
Direct |
44,000
+23.1%
|
$2,244,000
$51.98 P/Share
|
|
Nov 18
2025
|
Joseph H Wender Director |
BUY
Exercise of conversion of derivative security
|
Direct |
16,000
+50.0%
|
$384,000
$24.42 P/Share
|
|
Nov 06
2025
|
Richard S Geary EVP, Chief Development Officer |
SELL
Open market or private sale
|
Direct |
33,038
-21.64%
|
$2,477,850
$75.76 P/Share
|
|
Nov 06
2025
|
Richard S Geary EVP, Chief Development Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
33,038
+17.77%
|
$1,916,204
$58.83 P/Share
|
|
Nov 06
2025
|
Brian Birchler EVP, Corp and Development Ops |
SELL
Open market or private sale
|
Direct |
8,000
-14.08%
|
$608,000
$76.17 P/Share
|
|
Nov 05
2025
|
Richard S Geary EVP, Chief Development Officer |
SELL
Open market or private sale
|
Direct |
1,601
-1.32%
|
$120,075
$75.01 P/Share
|
|
Nov 05
2025
|
Richard S Geary EVP, Chief Development Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,601
+1.31%
|
$92,858
$58.83 P/Share
|
|
Nov 03
2025
|
Richard S Geary EVP, Chief Development Officer |
SELL
Open market or private sale
|
Direct |
1,680
-1.39%
|
$126,000
$75.05 P/Share
|
|
Nov 03
2025
|
Richard S Geary EVP, Chief Development Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,680
+1.37%
|
$97,440
$58.83 P/Share
|
|
Oct 31
2025
|
Joseph Loscalzo Director |
SELL
Open market or private sale
|
Direct |
16,000
-30.58%
|
$1,200,000
$75.1 P/Share
|
|
Oct 31
2025
|
Joseph Loscalzo Director |
BUY
Exercise of conversion of derivative security
|
Direct |
16,000
+23.42%
|
$832,000
$52.22 P/Share
|
|
Oct 31
2025
|
Joseph H Wender Director |
SELL
Open market or private sale
|
Indirect |
11,200
-14.89%
|
$840,000
$75.16 P/Share
|
|
Oct 31
2025
|
Richard S Geary EVP, Chief Development Officer |
SELL
Open market or private sale
|
Direct |
89,249
-28.57%
|
$6,693,675
$75.11 P/Share
|
|
Oct 31
2025
|
Richard S Geary EVP, Chief Development Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
69,249
+23.25%
|
$4,016,442
$58.83 P/Share
|
|
Oct 30
2025
|
Joseph H Wender Director |
SELL
Open market or private sale
|
Indirect |
16,800
-6.46%
|
$1,226,400
$73.07 P/Share
|
|
Oct 16
2025
|
Shannon L. Devers EVP, Chief Human Resources Ofc |
SELL
Open market or private sale
|
Direct |
1,263
-6.73%
|
$92,199
$73.62 P/Share
|
|
Oct 16
2025
|
Eric Swayze EVP Research |
SELL
Open market or private sale
|
Indirect |
53
-17.15%
|
$3,869
$73.62 P/Share
|
|
Oct 15
2025
|
Brian Birchler EVP, Corp and Development Ops |
SELL
Open market or private sale
|
Direct |
12,425
-17.94%
|
$894,600
$72.23 P/Share
|
|
Oct 15
2025
|
Brian Birchler EVP, Corp and Development Ops |
BUY
Exercise of conversion of derivative security
|
Direct |
12,425
+15.21%
|
$658,525
$53.77 P/Share
|
|
Oct 15
2025
|
Shannon L. Devers EVP, Chief Human Resources Ofc |
BUY
Exercise of conversion of derivative security
|
Direct |
8,820
+17.27%
|
$211,680
$24.25 P/Share
|
|
Oct 15
2025
|
Shannon L. Devers EVP, Chief Human Resources Ofc |
SELL
Open market or private sale
|
Direct |
6,000
-27.35%
|
$432,000
$72.94 P/Share
|
|
Oct 15
2025
|
B Lynne Parshall Director |
SELL
Open market or private sale
|
Direct |
5,000
-7.54%
|
$355,000
$71.74 P/Share
|
|
Oct 15
2025
|
Eric Swayze EVP Research |
BUY
Exercise of conversion of derivative security
|
Indirect |
125
+28.8%
|
-
|
|
Oct 14
2025
|
Brian Birchler EVP, Corp and Development Ops |
SELL
Open market or private sale
|
Direct |
11,475
-16.8%
|
$826,200
$72.03 P/Share
|
|
Oct 14
2025
|
Brian Birchler EVP, Corp and Development Ops |
BUY
Exercise of conversion of derivative security
|
Direct |
11,475
+14.38%
|
$608,175
$53.77 P/Share
|
|
Oct 06
2025
|
Joseph Baroldi EVP, Chief Business Officer |
SELL
Open market or private sale
|
Direct |
1,625
-5.09%
|
$112,125
$69.37 P/Share
|
|
Oct 06
2025
|
Brett P Monia Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
437
-0.24%
|
$30,153
$69.26 P/Share
|
|
Oct 06
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
SELL
Open market or private sale
|
Direct |
13,441
-10.41%
|
$927,429
$69.58 P/Share
|
|
Oct 06
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
BUY
Exercise of conversion of derivative security
|
Direct |
10,200
+13.16%
|
$530,400
$52.87 P/Share
|
|
Oct 06
2025
|
Eric Swayze EVP Research |
SELL
Open market or private sale
|
Direct |
6,849
-18.36%
|
$472,581
$69.02 P/Share
|
|
Oct 02
2025
|
Joseph Baroldi EVP, Chief Business Officer |
SELL
Open market or private sale
|
Direct |
15,000
-31.97%
|
$1,020,000
$68.01 P/Share
|
|
Oct 02
2025
|
Joseph Baroldi EVP, Chief Business Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
15,000
+24.22%
|
$465,000
$31.8 P/Share
|
|
Oct 02
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
SELL
Open market or private sale
|
Direct |
64,664
-36.1%
|
$4,332,488
$67.69 P/Share
|
|
Oct 02
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
BUY
Exercise of conversion of derivative security
|
Direct |
64,664
+26.52%
|
$3,750,512
$58.83 P/Share
|
|
Oct 02
2025
|
Eric Swayze EVP Research |
SELL
Open market or private sale
|
Direct |
12,972
-25.8%
|
$856,152
$66.23 P/Share
|
|
Oct 02
2025
|
Eric Swayze EVP Research |
BUY
Exercise of conversion of derivative security
|
Direct |
12,972
+20.51%
|
$687,516
$53.77 P/Share
|
|
Oct 01
2025
|
Eric Swayze EVP Research |
SELL
Open market or private sale
|
Direct |
14,142
-27.49%
|
$933,372
$66.09 P/Share
|
|
Oct 01
2025
|
Eric Swayze EVP Research |
BUY
Exercise of conversion of derivative security
|
Direct |
14,142
+21.56%
|
$749,526
$53.77 P/Share
|
|
Oct 01
2025
|
Joseph H Wender Director |
SELL
Open market or private sale
|
Indirect |
16,800
-15.44%
|
$1,092,000
$65.5 P/Share
|