Latest Insider Transactions at Ionis Pharmaceuticals Inc (IONS)
This section provides a real-time view of insider transactions for Ionis Pharmaceuticals Inc (IONS). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of IONIS PHARMACEUTICALS INC to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of IONIS PHARMACEUTICALS INC's insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
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
|
|
Sep 30
2025
|
Elizabeth L Hougen EVP, Finance & CFO |
SELL
Open market or private sale
|
Direct |
49,800
-31.07%
|
$3,237,000
$65.26 P/Share
|
|
Sep 30
2025
|
Elizabeth L Hougen EVP, Finance & CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
49,800
+23.7%
|
$2,639,400
$53.77 P/Share
|
|
Sep 30
2025
|
Richard S Geary EVP, Chief Development Officer |
SELL
Open market or private sale
|
Direct |
57,900
-42.09%
|
$3,763,500
$65.24 P/Share
|
|
Sep 30
2025
|
Richard S Geary EVP, Chief Development Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
57,900
+29.62%
|
$3,068,700
$53.77 P/Share
|
|
Sep 30
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
SELL
Open market or private sale
|
Direct |
14,827
-20.61%
|
$948,928
$64.68 P/Share
|
|
Sep 30
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
BUY
Exercise of conversion of derivative security
|
Direct |
14,827
+17.08%
|
$830,312
$56.78 P/Share
|
|
Sep 29
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
SELL
Open market or private sale
|
Direct |
10,473
-15.49%
|
$670,272
$64.54 P/Share
|
|
Sep 29
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
BUY
Exercise of conversion of derivative security
|
Direct |
10,473
+13.41%
|
$586,488
$56.78 P/Share
|
|
Sep 12
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
SELL
Open market or private sale
|
Direct |
1,700
-2.89%
|
$108,800
$64.58 P/Share
|
|
Sep 12
2025
|
Patrick R. O'Neil EVP CLO & General Counsel |
BUY
Exercise of conversion of derivative security
|
Direct |
1,700
+2.81%
|
$95,200
$56.78 P/Share
|