Form 4 Tracker
IONIS PHARMACEUTICALS INC
IONS

63 insider filings · Latest: Jun 26, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jan 16, 2026Jan 21 1:18 AMJoseph BaroldiEVP, Chief Business Officer
Sale
8,056$75.75$610.3K4,772(I)

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Jan 16, 2026Jan 17 12:31 AMSwayze Eric
Proposed Sale
9,884$76.23$753.5K

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Jan 16, 2026Jan 16 11:55 PMBaroldi Joseph
Proposed Sale
6,999$80.00$559.9K

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Jan 16, 2026Jan 16 11:50 PMBENNETT C FRANK
Proposed Sale
8,977$76.22$684.3K

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Jan 16, 2026Jan 16 11:47 PMBirchler Brian
Proposed Sale
8,480$76.22$646.4K

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Jan 16, 2026Jan 16 11:46 PMHOUGEN ELIZABETH L
Proposed Sale
12,922$76.24$985.1K

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Jan 16, 2026Jan 16 11:44 PMMonia Brett P
Proposed Sale
44,034$76.24$3.4M

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Jan 16, 2025Jan 16 11:43 PMKordasiewicz Holly B.
Proposed Sale
4,141$76.19$315.5K

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Jan 16, 2026Jan 16 11:42 PMO'NEIL PATRICK R.
Proposed Sale
9,191$76.23$700.6K

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Jan 16, 2026Jan 16 11:40 PMSchneider Eugene
Proposed Sale
9,302$76.23$709.1K

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Jan 16, 2025Jan 16 11:37 PMJenne Kyle
Proposed Sale
1,823$76.23$139.0K

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Jan 16, 2026Jan 16 11:36 PMDevers Shannon L.
Proposed Sale
8,353$76.22$636.6K

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Jan 7, 2026Jan 7 9:06 PMDevers Shannon L.
Proposed Sale
9,390$84.68$795.1K

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Jan 2, 2026Jan 2 9:49 PMSwayze Eric
Proposed Sale
23,463$69.02$1.6M

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Oct 30, 2025Dec 1 11:46 PMJoseph Wender
Proposed Sale
33,600$74.30$2.5M

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Dec 1, 2025Dec 1 11:14 PMJoseph Wender
Proposed Sale
14,479$81.99$1.2M

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Nov 25, 2025Nov 25 10:53 PMDevers Shannon L.
Proposed Sale
42,322$80.91$3.4M

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Nov 25, 2025Nov 25 9:04 PMKLEIN JOSEPH III
Proposed Sale
12,000$80.00$960.0K

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Nov 19, 2025Nov 19 10:41 PMJoan E. Herman
Proposed Sale
44,000$74.00$3.3M

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Oct 31, 2025Oct 31 8:26 PMLOSCALZO JOSEPH
Proposed Sale
16,000$75.10$1.2M

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jan 2, 2026Jan 21 1:20 AMHolly B. KordasiewiczEVP, Chief Development Officer
Grant/Award
7,500$79.6716,600(D)

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Jan 15, 2026Jan 21 1:18 AMHolly B. KordasiewiczEVP, Chief Development Officer
Option Exercise
11,11920,830(D)

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Jan 15, 2026Jan 21 1:18 AMHolly B. KordasiewiczEVP, Chief Development Officer
Grant/Award
24,90045,730(D)

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Jan 15, 2026Jan 21 1:18 AMKyle JenneEVP, Chf GL Pdt Str Ofcr
Option Exercise
7,01329,664(D)

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Jan 15, 2026Jan 21 1:18 AMKyle JenneEVP, Chf GL Pdt Str Ofcr
Grant/Award
35,475$0.0037,725(D)

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Jan 15, 2026Jan 21 1:18 AMHOUGEN ELIZABETH LEVP, Finance & CFO
Option Exercise
28,72955,940(D)

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Jan 15, 2026Jan 21 1:18 AMHOUGEN ELIZABETH LEVP, Finance & CFO
Grant/Award
47,245$0.0068,825(D)

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Jan 15, 2026Jan 21 1:18 AMShannon L. DeversEVP, Chief Human Resources Ofc
Option Exercise
17,37743,029(D)

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Jan 15, 2026Jan 21 1:18 AMShannon L. DeversEVP, Chief Human Resources Ofc
Grant/Award
35,475$0.0052,704(D)

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Jan 15, 2026Jan 21 1:18 AMBrian BirchlerEVP, Corp and Development Ops
Option Exercise
20,08941,126(D)

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Jan 15, 2026Jan 21 1:18 AMBrian BirchlerEVP, Corp and Development Ops
Grant/Award
35,475$0.0050,801(D)

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Jan 15, 2026Jan 21 1:18 AMBENNETT C FRANKEVP, Chief Scientific Officer
Option Exercise
21,05517,434(D)

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Jan 15, 2026Jan 21 1:18 AMBENNETT C FRANKEVP, Chief Scientific Officer
Grant/Award
35,475$0.0027,109(D)

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Jan 15, 2026Jan 21 1:18 AMJoseph BaroldiEVP, Chief Business Officer
Option Exercise
19,8875,474(I)

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Jan 15, 2026Jan 21 1:18 AMJoseph BaroldiEVP, Chief Business Officer
Grant/Award
39,375$0.009,374(I)

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