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
2025-12-01
Sale
2025-12-03
7:01 pm
IONIS PHARMACEUTICALS INCIONSWENDER JOSEPH H
Director
28,000$80.82$2,262,84852,035
(Indirect
Direct)
View
2025-11-25
Sale
2025-11-28
5:51 pm
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
12,000$80$960,00028,446
(Indirect
Direct)
View
2025-11-25
Sale
2025-11-28
5:51 pm
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
16,777$80.91$1,357,44217,494
(Direct)
View
2025-11-19
Sale
2025-11-20
5:12 pm
IONIS PHARMACEUTICALS INCIONSHERMAN JOAN E
Director
44,000$72.13$3,173,83046,086
(Direct)
View
2025-11-06
Sale
2025-11-07
5:13 pm
IONIS PHARMACEUTICALS INCIONSBirchler Brian
EVP, Corp and Development Ops
8,000$76.17$609,37948,826
(Direct)
View
2025-11-05
Sale
2025-11-07
5:12 pm
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
34,639$75.69$2,621,81692,695
(Direct)
View
2025-11-03
Sale(A)
2025-11-07
5:12 pm
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
1,680$75.05$126,09194,296
(Direct)
View
2025-10-30
Sale
2025-11-03
8:14 pm
IONIS PHARMACEUTICALS INCIONSWENDER JOSEPH H
Director
28,000$74.02$2,072,57864,035
(Indirect)
View
2025-10-31
Sale
2025-11-03
8:14 pm
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
16,000$75.1$1,201,66936,330
(Direct)
View
2025-10-31
Sale
2025-11-03
8:14 pm
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
90,929$75.11$6,829,431130,615
(Direct)
View
2025-10-16
Sale
2025-10-16
8:16 pm
IONIS PHARMACEUTICALS INCIONSSwayze Eric
EVP Research
53$73.62$3,90231,206
(Indirect
Direct)
View
2025-10-15
Sale
2025-10-16
8:16 pm
IONIS PHARMACEUTICALS INCIONSPARSHALL B LYNNE
Director
5,000$71.74$358,72261,344
(Direct)
View
2025-10-15
Sale
2025-10-16
8:16 pm
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
7,263$73.06$530,63877,900
(Direct)
View
2025-10-14
Sale
2025-10-16
8:15 pm
IONIS PHARMACEUTICALS INCIONSBirchler Brian
EVP, Corp and Development Ops
23,900$72.13$1,723,98769,251
(Direct)
View
2025-10-06
Sale
2025-10-08
6:37 pm
IONIS PHARMACEUTICALS INCIONSSwayze Eric
EVP Research
6,849$69.02$472,71830,637
(Indirect
Direct)
View
2025-10-06
Sale
2025-10-08
6:37 pm
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
13,441$69.74$937,33870,889
(Direct)
View
2025-10-06
Sale
2025-10-08
6:36 pm
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
437$69.26$30,268179,572
(Direct)
View
2025-10-06
Sale
2025-10-08
6:36 pm
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
1,625$69.37$112,72533,372
(Indirect
Direct)
View
2025-10-01
Sale
2025-10-02
7:36 pm
IONIS PHARMACEUTICALS INCIONSWENDER JOSEPH H
Director
16,800$65.5$1,100,38592,035
(Indirect)
View
2025-10-01
Sale
2025-10-02
7:36 pm
IONIS PHARMACEUTICALS INCIONSSwayze Eric
EVP Research
27,114$66.16$1,793,74450,458
(Indirect
Direct)
View
2025-10-02
Sale
2025-10-02
7:35 pm
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
64,664$67.69$4,377,05457,130
(Direct)
View
2025-10-02
Sale
2025-10-02
7:35 pm
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
15,000$68.01$1,020,21061,697
(Indirect
Direct)
View
2025-09-29
Sale
2025-10-01
4:55 pm
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
25,300$64.62$1,634,921132,363
(Direct)
View
2025-09-30
Sale
2025-10-01
4:55 pm
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
57,900$65.24$3,777,66879,657
(Direct)
View
2025-09-30
Sale
2025-10-01
4:55 pm
IONIS PHARMACEUTICALS INCIONSHOUGEN ELIZABETH L
EVP, Finance & CFO
49,800$65.26$3,249,734110,500
(Direct)
View
2025-09-12
Sale
2025-09-16
4:56 pm
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
1,700$64.58$109,787112,633
(Direct)
View
2025-09-09
Sale
2025-09-11
5:05 pm
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
11,950$62.16$742,83876,697
(Indirect
Direct)
View
2025-09-09
Sale
2025-09-11
5:04 pm
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
21,000$64.56$1,355,661148,794
(Direct)
View
2025-09-05
Sale
2025-09-09
6:30 pm
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
250$62$15,50088,647
(Indirect
Direct)
View
2025-09-05
Sale
2025-09-09
6:30 pm
IONIS PHARMACEUTICALS INCIONSBENNETT C FRANK
EVP, Chief Scientific Officer
6,000$59.6$357,58182,679
(Direct)
View
2025-09-02
Sale
2025-09-04
8:41 pm
IONIS PHARMACEUTICALS INCIONSSwayze Eric
EVP Research
11,130$49.67$552,86237,486
(Indirect
Direct)
View
2025-09-02
Sale
2025-09-04
8:40 pm
IONIS PHARMACEUTICALS INCIONSWENDER JOSEPH H
Director
28,000$57.58$1,612,155108,835
(Indirect)
View
2025-09-02
Sale
2025-09-04
8:38 pm
IONIS PHARMACEUTICALS INCIONSPARSHALL B LYNNE
Director
20,000$50.91$1,018,29866,344
(Direct)
View
2025-09-03
Sale
2025-09-04
8:38 pm
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
203,814$60.32$12,294,703364,566
(Direct)
View
2025-09-03
Sale
2025-09-04
8:38 pm
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
28,000$60$1,680,00016,446
(Indirect
Direct)
View
2025-09-03
Sale
2025-09-04
8:37 pm
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
28,000$60$1,680,00016,446
(Indirect
Direct)
View
2025-09-02
Sale
2025-09-04
8:37 pm
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
10,000$50.37$503,67179,657
(Direct)
View
2025-09-03
Sale
2025-09-04
8:36 pm
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
3,162$61.02$192,94342,460
(Direct)
View
2025-09-02
Sale
2025-09-04
8:34 pm
IONIS PHARMACEUTICALS INCIONSWENDER JOSEPH H
Director
28,000$57.58$1,612,155108,835
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2025-11-25
Exercise
2025-11-28
5:51 pm
2021-07-01
2030-06-30
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
12,000$028,446
(Indirect)
View
2025-11-25
Exercise
2025-11-28
5:51 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
16,777$53.7717,494
(Direct)
View
2025-11-25
Exercise
2025-11-28
5:51 pm
2020-01-02
2026-01-01
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
16,777$017,494
(Direct)
View
2025-11-18
Exercise
2025-11-20
5:12 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSWENDER JOSEPH H
Director
16,000$24.4280,035
(Direct)
View
2025-11-18
Exercise
2025-11-20
5:12 pm
2017-07-01
2026-06-30
IONIS PHARMACEUTICALS INCIONSWENDER JOSEPH H
Director
16,000$080,035
(Direct)
View
2025-11-19
Exercise
2025-11-20
5:12 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSHERMAN JOAN E
Director
32,000$63.946,086
(Direct)
View
2025-11-19
Exercise
2025-11-20
5:12 pm
2022-07-01
2031-06-30
IONIS PHARMACEUTICALS INCIONSHERMAN JOAN E
Director
44,000$046,086
(Direct)
View
2025-11-19
Exercise
2025-11-20
5:12 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSHERMAN JOAN E
Director
12,000$40.0546,086
(Direct)
View
2025-11-05
Exercise
2025-11-07
5:12 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
19,101$60.8992,695
(Direct)
View
2025-11-05
Exercise
2025-11-07
5:12 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
15,538$56.7892,695
(Direct)
View
2025-11-05
Exercise
2025-11-07
5:12 pm
2024-01-04
2028-01-03
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
34,639$092,695
(Direct)
View
2025-11-03
Exercise(A)
2025-11-07
5:12 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
775$60.8994,296
(Direct)
View
2025-11-03
Exercise(A)
2025-11-07
5:12 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
905$56.7894,296
(Direct)
View
2025-11-03
Exercise(A)
2025-11-07
5:12 pm
2023-01-02
2028-01-03
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
1,680$094,296
(Direct)
View
2025-10-31
Exercise
2025-11-03
8:14 pm
2018-07-03
2027-07-02
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
16,000$036,330
(Direct)
View
2025-10-31
Exercise
2025-11-03
8:14 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSLOSCALZO JOSEPH
Director
16,000$52.2236,330
(Direct)
View
2025-10-31
Exercise
2025-11-03
8:14 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
35,490$60.89130,615
(Direct)
View
2025-10-31
Exercise
2025-11-03
8:14 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
35,439$56.78130,615
(Direct)
View
2025-10-31
Exercise
2025-11-03
8:14 pm
2022-01-04
2028-01-03
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
70,929$0130,615
(Direct)
View
2025-10-15
Exercise
2025-10-16
8:16 pm
2025-10-15
N/A
IONIS PHARMACEUTICALS INCIONSSwayze Eric
EVP Research
125$031,206
(Indirect)
View
2025-10-15
Exercise
2025-10-16
8:16 pm
2021-04-05
2027-04-04
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
8,820$077,900
(Direct)
View
2025-10-15
Exercise
2025-10-16
8:16 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
6,000$48.5177,900
(Direct)
View
2025-10-14
Exercise
2025-10-16
8:15 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBirchler Brian
EVP, Corp and Development Ops
23,900$53.7769,251
(Direct)
View
2025-10-14
Exercise
2025-10-16
8:15 pm
2020-01-02
2026-01-01
IONIS PHARMACEUTICALS INCIONSBirchler Brian
EVP, Corp and Development Ops
23,900$069,251
(Direct)
View
2025-10-06
Exercise
2025-10-08
6:37 pm
2025-01-02
2034-01-01
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
10,200$070,889
(Direct)
View
2025-10-06
Exercise
2025-10-08
6:37 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
10,200$52.8770,889
(Direct)
View
2025-10-01
Exercise
2025-10-02
7:36 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSSwayze Eric
EVP Research
27,114$53.7750,458
(Direct)
View
2025-10-01
Exercise
2025-10-02
7:36 pm
2020-01-02
2026-01-01
IONIS PHARMACEUTICALS INCIONSSwayze Eric
EVP Research
27,114$050,458
(Direct)
View
2025-10-02
Exercise
2025-10-02
7:35 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
34,461$60.8957,130
(Direct)
View
2025-10-02
Exercise
2025-10-02
7:35 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
30,203$56.7857,130
(Direct)
View
2025-10-02
Exercise
2025-10-02
7:35 pm
2022-01-04
2028-01-03
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
64,664$057,130
(Direct)
View
2025-10-02
Exercise
2025-10-02
7:35 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
15,000$31.861,697
(Direct)
View
2025-10-02
Exercise
2025-10-02
7:35 pm
2023-01-31
2032-01-30
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
15,000$061,697
(Direct)
View
2025-09-29
Exercise
2025-10-01
4:55 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
25,300$56.78132,363
(Direct)
View
2025-09-29
Exercise
2025-10-01
4:55 pm
2022-01-04
2028-01-03
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
25,300$0132,363
(Direct)
View
2025-09-30
Exercise
2025-10-01
4:55 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
57,900$53.7779,657
(Direct)
View
2025-09-30
Exercise
2025-10-01
4:55 pm
2020-01-02
2026-01-01
IONIS PHARMACEUTICALS INCIONSGeary Richard S
EVP, Chief Development Officer
57,900$079,657
(Direct)
View
2025-09-30
Exercise
2025-10-01
4:55 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSHOUGEN ELIZABETH L
EVP, Finance & CFO
49,800$53.77110,500
(Direct)
View
2025-09-30
Exercise
2025-10-01
4:55 pm
2020-01-02
2026-01-01
IONIS PHARMACEUTICALS INCIONSHOUGEN ELIZABETH L
EVP, Finance & CFO
49,800$0110,500
(Direct)
View
2025-09-12
Exercise
2025-09-16
4:56 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
1,700$56.78112,633
(Direct)
View
2025-09-12
Exercise
2025-09-16
4:56 pm
2022-01-04
2028-01-03
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
1,700$0112,633
(Direct)
View
2025-09-09
Exercise
2025-09-11
5:05 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
11,950$31.876,697
(Direct)
View
2025-09-09
Exercise
2025-09-11
5:05 pm
2023-01-31
2032-01-30
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
11,950$076,697
(Direct)
View
2025-09-09
Exercise
2025-09-11
5:04 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
20,000$60.89148,794
(Direct)
View
2025-09-09
Exercise
2025-09-11
5:04 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
1,000$56.78148,794
(Direct)
View
2025-09-09
Exercise
2025-09-11
5:04 pm
2022-01-04
2028-01-03
IONIS PHARMACEUTICALS INCIONSO'NEIL PATRICK R.
EVP CLO & General Counsel
21,000$0148,794
(Direct)
View
2025-09-05
Exercise
2025-09-09
6:30 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
250$31.888,647
(Direct)
View
2025-09-05
Exercise
2025-09-09
6:30 pm
2023-01-31
2032-01-30
IONIS PHARMACEUTICALS INCIONSBaroldi Joseph
EVP, Chief Business Officer
250$088,647
(Direct)
View
2025-09-03
Exercise
2025-09-04
8:38 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
58,884$32.6364,566
(Direct)
View
2025-09-03
Exercise
2025-09-04
8:38 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
42,030$37.58364,566
(Direct)
View
2025-09-03
Exercise
2025-09-04
8:38 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
102,900$53.77364,566
(Direct)
View
2025-09-03
Exercise
2025-09-04
8:38 pm
2023-01-03
2032-01-02
IONIS PHARMACEUTICALS INCIONSMonia Brett P
Chief Executive Officer
203,814$0364,566
(Direct)
View
2025-09-03
Exercise
2025-09-04
8:38 pm
2019-07-02
2028-07-01
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
28,000$016,446
(Indirect)
View
2025-09-03
Exercise
2025-09-04
8:37 pm
2019-07-02
2028-07-01
IONIS PHARMACEUTICALS INCIONSKLEIN JOSEPH III
Director
28,000$016,446
(Indirect)
View
2025-09-03
Exercise
2025-09-04
8:36 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
928$32.642,460
(Direct)
View
2025-09-03
Exercise
2025-09-04
8:36 pm
N/A
N/A
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
2,234$37.5842,460
(Direct)
View
2025-09-03
Exercise
2025-09-04
8:36 pm
2023-01-03
2032-01-02
IONIS PHARMACEUTICALS INCIONSDevers Shannon L.
EVP, Chief Human Resources Ofc
3,162$042,460
(Direct)
View
(A) Indicate amendment filing.
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