IONIS PHARMACEUTICALS INC (IONS) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for IONIS PHARMACEUTICALS INC
Goto 0, 1, 2, ...10, 11, Next
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-07-07
Sale
2026-07-09
7:26 pm
IONIS PHARMACEUTICALS INCIONSBENNETT C FRANK
EVP, Chief Scientific Officer
20,536$84.95$1,744,623102,127
(Indirect
Direct)
View
2026-07-07
Sale
2026-07-09
6:07 pm
IONIS PHARMACEUTICALS INCIONSDiaz Allene M.
Director
10,111$85.42$863,6373,811
(Direct)
View
2026-07-07
Sale
2026-07-09
6:07 pm
IONIS PHARMACEUTICALS INCIONSKordasiewicz Holly B.
EVP, Chief Development Officer
362$84.3$30,51722,096
(Direct)
View
2026-07-01
Sale
2026-07-06
6:49 pm
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
11,518$79.04$910,41632,860
(Indirect
Direct)
View
2026-06-26
Sale
2026-06-30
5:48 pm
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
5,635$80.16$451,69953,191
(Indirect
Direct)
View
2026-06-26
Sale
2026-06-30
5:48 pm
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
3,069$80$245,52061,470
(Direct)
View
2026-06-26
Sale
2026-06-30
5:48 pm
IONIS PHARMACEUTICALS INCIONSSchneider Eugene
EVP, Chf Clinical Develop Ofcr
26,000$81.05$2,107,196103,114
(Direct)
View
2026-06-24
Sale
2026-06-26
7:09 pm
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
85,637$79.7$6,825,524366,515
(Direct)
View
2026-06-25
Sale
2026-06-26
7:09 pm
IONIS PHARMACEUTICALS INCIONSSwayze Eric
EVP Research
10,602$79.18$839,49222,077
(Indirect
Direct)
View
2026-06-12
Sale
2026-06-16
5:26 pm
IONIS PHARMACEUTICALS INCIONSKordasiewicz Holly B.
EVP, Chief Development Officer
60,846$73.41$4,466,42843,458
(Direct)
View
2026-06-15
Sale
2026-06-16
5:26 pm
IONIS PHARMACEUTICALS INCIONSBERTHELSEN SPENCER R
Director
8,000$73.49$587,920156,083
(Indirect
Direct)
View
2026-06-01
Sale
2026-06-03
5:34 pm
IONIS PHARMACEUTICALS INCIONSBERTHELSEN SPENCER R
Director
8,000$75.67$605,360164,083
(Indirect
Direct)
View
2026-05-13
Sale
2026-05-15
6:15 pm
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
4,536$78.49$356,012317,156
(Direct)
View
2026-05-04
Sale
2026-05-06
5:27 pm
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
77,289$75.06$5,801,22636,330
(Direct)
View
2026-05-01
Sale
2026-05-05
4:30 pm
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
10,111$73.51$743,23811,114
(Indirect
Direct)
View
2026-04-28
Sale
2026-04-30
4:21 pm
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
1,626$71.79$116,72749,256
(Indirect
Direct)
View
2026-04-15
Sale
2026-04-17
7:19 pm
IONIS PHARMACEUTICALS INCIONSPARSHALL B LYNNE
Director
5,000$76.27$381,36751,344
(Direct)
View
2026-04-16
Sale
2026-04-17
7:19 pm
IONIS PHARMACEUTICALS INCIONSJenne Kyle
EVP, Chf GL Pdt Str Ofcr
4,902$75.17$368,48898,115
(Direct)
View
2026-04-16
Sale
2026-04-17
7:19 pm
IONIS PHARMACEUTICALS INCIONSBirchler Brian
EVP, Corp and Development Ops
973$75.04$73,016116,426
(Direct)
View
2026-04-16
Sale
2026-04-17
7:19 pm
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
5,619$74.56$418,95399,194
(Indirect
Direct)
View
2026-04-01
Sale
2026-04-02
7:43 pm
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
22,321$75.55$1,686,30211,114
(Indirect
Direct)
View
2026-04-02
Sale
2026-04-02
7:43 pm
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
6,193$74.05$458,61316,348
(Direct)
View
2026-03-19
Sale
2026-03-23
7:36 pm
IONIS PHARMACEUTICALS INCIONSSchneider Eugene
EVP, Chf Clinical Develop Ofcr
5,812$70.97$412,48663,890
(Direct)
View
2026-03-16
Sale
2026-03-18
5:19 pm
IONIS PHARMACEUTICALS INCIONSHOUGEN ELIZABETH L
EVP, Finance & CFO
225,220$72.43$16,313,67688,065
(Direct)
View
2026-03-09
Sale
2026-03-11
4:19 pm
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
10,148$75.25$763,66262,211
(Direct)
View
2026-03-09
Sale
2026-03-11
4:19 pm
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
160,773$75.35$12,114,155384,397
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-07-15
Option Award
2026-07-17
5:13 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSReikes Peter N
Director
3,399$03,399
(Direct)
View
2026-07-15
Option Award
2026-07-17
5:13 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSHANTSON LUDWIG
Director
3,399$03,399
(Direct)
View
2026-07-15
Exercise
2026-07-17
5:12 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSHERMAN JOAN E
Director
5,220$053,607
(Direct)
View
2026-07-15
Exercise
2026-07-17
5:12 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBERTHELSEN SPENCER R
Director
5,220$0163,604
(Direct)
View
2026-07-07
Other
2026-07-09
7:26 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBENNETT C FRANK
EVP, Chief Scientific Officer
15,000$0102,127
(Direct)
View
2026-07-07
Exercise
2026-07-09
6:07 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSDiaz Allene M.
Director
10,111$47.113,811
(Direct)
View
2026-07-07
Exercise
2026-07-09
6:07 pm
2025-07-01
2034-06-30
IONIS PHARMACEUTICALS INCIONSDiaz Allene M.
Director
10,111$03,811
(Direct)
View
2026-07-01
Option Award
2026-07-06
6:50 pm
2027-07-01
2036-06-30
IONIS PHARMACEUTICALS INCIONSYANG MICHAEL J.
Director
7,670$014,820
(Direct)
View
2026-07-01
Option Award
2026-07-06
6:50 pm
2027-07-01
2036-06-30
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
7,670$012,890
(Direct)
View
2026-07-01
Option Award
2026-07-06
6:49 pm
2027-07-01
2036-06-30
IONIS PHARMACEUTICALS INCIONSHERMAN JOAN E
Director
7,670$012,890
(Direct)
View
2026-07-01
Option Award
2026-07-06
6:49 pm
2027-07-01
2036-06-30
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
7,670$032,860
(Direct)
View
2026-07-01
Exercise
2026-07-06
6:49 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
11,518$39.9432,860
(Direct)
View
2026-07-01
Exercise
2026-07-06
6:49 pm
2026-07-01
2035-06-30
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
11,518$032,860
(Direct)
View
2026-07-01
Option Award
2026-07-06
6:45 pm
2027-07-01
2036-06-30
IONIS PHARMACEUTICALS INCIONSHayden Michael R
Director
7,670$017,567
(Direct)
View
2026-07-01
Option Award
2026-07-06
6:44 pm
2027-07-01
2036-06-30
IONIS PHARMACEUTICALS INCIONSDiaz Allene M.
Director
7,670$012,890
(Direct)
View
2026-07-01
Option Award
2026-07-06
6:44 pm
2027-07-01
2036-06-30
IONIS PHARMACEUTICALS INCIONSBERTHELSEN SPENCER R
Director
7,670$012,890
(Direct)
View
2026-06-26
Exercise
2026-06-30
5:48 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
1,769$32.653,191
(Indirect)
View
2026-06-26
Exercise
2026-06-30
5:48 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
3,866$56.7853,191
(Indirect)
View
2026-06-26
Exercise
2026-06-30
5:48 pm
2023-01-03
2032-01-02
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
5,635$053,191
(Indirect)
View
2026-06-26
Exercise
2026-06-30
5:48 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSSchneider Eugene
EVP, Chf Clinical Develop Ofcr
26,000$60.89103,114
(Direct)
View
2026-06-26
Exercise
2026-06-30
5:48 pm
2021-01-02
2027-01-01
IONIS PHARMACEUTICALS INCIONSSchneider Eugene
EVP, Chf Clinical Develop Ofcr
26,000$0103,114
(Direct)
View
2026-06-24
Exercise
2026-06-26
7:09 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
35,637$32.6366,515
(Direct)
View
2026-06-26
Exercise
2026-06-26
7:09 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
50,000$56.78366,515
(Direct)
View
2026-06-24
Exercise
2026-06-26
7:09 pm
2023-01-03
2032-01-02
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
85,637$0366,515
(Direct)
View
2026-06-12
Exercise
2026-06-16
5:26 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSKordasiewicz Holly B.
EVP, Chief Development Officer
12,000$32.643,458
(Direct)
View
2026-06-12
Exercise
2026-06-16
5:26 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSKordasiewicz Holly B.
EVP, Chief Development Officer
19,895$56.7843,458
(Direct)
View
2026-06-12
Exercise
2026-06-16
5:26 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSKordasiewicz Holly B.
EVP, Chief Development Officer
28,951$60.8943,458
(Direct)
View
2026-06-12
Exercise
2026-06-16
5:26 pm
2023-01-03
2032-01-02
IONIS PHARMACEUTICALS INCIONSKordasiewicz Holly B.
EVP, Chief Development Officer
60,846$043,458
(Direct)
View
2026-06-15
Exercise
2026-06-16
5:26 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBERTHELSEN SPENCER R
Director
8,000$24.42156,083
(Direct)
View
2026-06-15
Exercise
2026-06-16
5:26 pm
2018-07-01
2026-06-30
IONIS PHARMACEUTICALS INCIONSBERTHELSEN SPENCER R
Director
8,000$0156,083
(Direct)
View
2026-06-04
Option Award
2026-06-08
4:59 pm
2027-06-04
2036-06-04
IONIS PHARMACEUTICALS INCIONSReikes Peter N
Director
10,753$010,753
(Direct)
View
2026-06-04
Option Award
2026-06-08
4:59 pm
2027-06-04
2036-06-04
IONIS PHARMACEUTICALS INCIONSHANTSON LUDWIG
Director
10,753$010,753
(Direct)
View
2026-06-01
Exercise
2026-06-03
5:34 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBERTHELSEN SPENCER R
Director
8,000$24.42164,083
(Direct)
View
2026-06-01
Exercise
2026-06-03
5:34 pm
2017-07-01
2026-06-30
IONIS PHARMACEUTICALS INCIONSBERTHELSEN SPENCER R
Director
8,000$0164,083
(Direct)
View
2026-05-13
Exercise
2026-05-15
6:15 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
4,536$32.6317,156
(Direct)
View
2026-05-13
Exercise
2026-05-15
6:15 pm
2023-01-03
2032-01-02
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
4,536$0317,156
(Direct)
View
2026-05-04
Exercise
2026-05-06
5:27 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
12,000$40.0536,330
(Direct)
View
2026-05-04
Exercise
2026-05-06
5:27 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
10,968$38.0636,330
(Direct)
View
2026-05-04
Exercise
2026-05-06
5:27 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
16,000$64.836,330
(Direct)
View
2026-05-04
Exercise
2026-05-06
5:27 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
12,000$60.236,330
(Direct)
View
2026-05-04
Exercise
2026-05-06
5:27 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
16,000$42.8836,330
(Direct)
View
2026-05-04
Exercise
2026-05-06
5:27 pm
2023-07-01
2032-06-30
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
77,289$036,330
(Direct)
View
2026-05-04
Exercise
2026-05-06
5:27 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
10,321$41.0836,330
(Direct)
View
2026-05-01
Exercise
2026-05-05
4:30 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
10,111$47.1111,114
(Direct)
View
2026-05-01
Exercise
2026-05-05
4:30 pm
2025-07-01
2034-06-30
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
10,111$011,114
(Direct)
View
2026-04-15
Exercise
2026-04-17
7:19 pm
2026-04-15
N/A
IONIS PHARMACEUTICALS INCIONSJenne Kyle
EVP, Chf GL Pdt Str Ofcr
12,226$098,115
(Direct)
View
2026-04-15
Exercise
2026-04-17
7:19 pm
2026-04-15
N/A
IONIS PHARMACEUTICALS INCIONSBirchler Brian
EVP, Corp and Development Ops
1,875$0116,426
(Direct)
View
2026-04-15
Exercise
2026-04-17
7:19 pm
2026-04-15
N/A
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
10,837$099,194
(Direct)
View
2026-04-01
Exercise
2026-04-02
7:43 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
12,000$38.0611,114
(Direct)
View
2026-04-01
Exercise
2026-04-02
7:43 pm
2023-07-01
2032-06-30
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
22,321$011,114
(Direct)
View
2026-04-01
Exercise
2026-04-02
7:43 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
10,321$41.0811,114
(Direct)
View
2026-03-16
Exercise
2026-03-18
5:19 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSHOUGEN ELIZABETH L
EVP, Finance & CFO
33,118$32.688,065
(Direct)
View
2026-03-16
Exercise
2026-03-18
5:19 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSHOUGEN ELIZABETH L
EVP, Finance & CFO
61,041$56.7888,065
(Direct)
View
2026-03-16
Exercise
2026-03-18
5:19 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSHOUGEN ELIZABETH L
EVP, Finance & CFO
20,541$37.5888,065
(Direct)
View
2026-03-16
Exercise
2026-03-18
5:19 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSHOUGEN ELIZABETH L
EVP, Finance & CFO
60,299$60.8988,065
(Direct)
View
2026-03-16
Exercise
2026-03-18
5:19 pm
2023-01-03
2032-01-02
IONIS PHARMACEUTICALS INCIONSHOUGEN ELIZABETH L
EVP, Finance & CFO
174,999$088,065
(Direct)
View
2026-03-09
Exercise
2026-03-11
4:19 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
148,454$60.89384,397
(Direct)
View
2026-03-09
Exercise
2026-03-11
4:19 pm
2021-01-02
2027-01-01
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
148,454$0384,397
(Direct)
View
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