Form 4 Tracker
IONIS PHARMACEUTICALS INC
IONS

78 insider filings · Latest: Jul 30, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jan 16, 2026Jan 21 1:21 AMEugene SchneiderEVP, Chf Clinical Develop Ofcr
Sale
9,302$75.59$703.1K63,890(D)

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Jan 16, 2026Jan 21 1:20 AMPatrick R. O'NeilEVP CLO & General Counsel
Sale
9,191$75.84$697.0K66,171(D)

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Jan 16, 2026Jan 21 1:20 AMBrett P MoniaDirector, Chief Executive Officer
Sale
44,034$74.82$3.3M224,683(D)

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Jan 16, 2026Jan 21 1:18 AMHolly B. KordasiewiczEVP, Chief Development Officer
Sale
4,141$75.66$313.3K14,718(D)

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Jan 16, 2026Jan 21 1:18 AMKyle JenneEVP, Chf GL Pdt Str Ofcr
Sale
1,823$75.96$138.5K16,389(D)

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Jan 16, 2026Jan 21 1:18 AMHOUGEN ELIZABETH LEVP, Finance & CFO
Sale
12,922$75.22$972.0K126,307(D)

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Jan 16, 2026Jan 21 1:18 AMShannon L. DeversEVP, Chief Human Resources Ofc
Sale
8,353$75.95$634.4K26,518(D)

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Jan 16, 2026Jan 21 1:18 AMBrian BirchlerEVP, Corp and Development Ops
Sale
8,480$75.11$636.9K60,435(D)

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Jan 16, 2026Jan 21 1:18 AMBENNETT C FRANKEVP, Chief Scientific Officer
Sale
8,977$75.15$674.6K94,757(D)

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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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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jul 15, 2026Jul 17 9:13 PMPeter N ReikesDirector
Grant/Award
3,3993,399(D)

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Jul 15, 2026Jul 17 9:13 PMLudwig HantsonDirector
Grant/Award
3,3993,399(D)

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Jul 15, 2026Jul 17 9:12 PMJoan E HermanDirector
Option Exercise
5,2202,301(D)

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Jul 15, 2026Jul 17 9:12 PMBERTHELSEN SPENCER RDirector
Option Exercise
5,2202,301(D)

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Jul 7, 2026Jul 9 11:26 PMBENNETT C FRANKEVP, Chief Scientific Officer
Other (J)
15,000$0.0012,109(D)

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Jul 7, 2026Jul 9 10:07 PMAllene M. DiazDirector
Option Exercise
10,111$47.110(D)

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Jul 1, 2026Jul 6 10:50 PMMichael J. YangDirector
Grant/Award
7,670$79.199,451(D)

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Jul 1, 2026Jul 6 10:50 PMJoseph LoscalzoDirector
Grant/Award
7,670$79.197,521(D)

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Jul 1, 2026Jul 6 10:49 PMJoan E HermanDirector
Grant/Award
7,670$79.197,521(D)

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Jul 1, 2026Jul 6 10:49 PMJoseph Klein IIIDirector
Option Exercise
11,518$39.940(D)

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Jul 1, 2026Jul 6 10:49 PMJoseph Klein IIIDirector
Grant/Award
7,670$79.1916,277(D)

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Jul 1, 2026Jul 6 10:45 PMMichael R HaydenDirector
Grant/Award
7,670$79.1912,198(D)

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Jul 1, 2026Jul 6 10:44 PMAllene M. DiazDirector
Grant/Award
7,670$79.197,521(D)

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Jul 1, 2026Jul 6 10:44 PMBERTHELSEN SPENCER RDirector
Grant/Award
7,670$79.197,521(D)

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Jun 26, 2026Jun 30 9:48 PMJoseph BaroldiEVP, Chief Business Officer
Option Exercise
5,635$56.780(I)

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Jun 26, 2026Jun 30 9:48 PMEugene SchneiderEVP, Chf Clinical Develop Ofcr
Option Exercise
26,000$60.8926,000(D)

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Jun 26, 2026Jun 26 11:09 PMBrett P MoniaDirector, Chief Executive Officer
Option Exercise
50,000$56.7899,872(D)

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Jun 25, 2026Jun 26 11:09 PMBrett P MoniaDirector, Chief Executive Officer
Option Exercise
21,072$32.600(D)

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Jun 24, 2026Jun 26 11:09 PMBrett P MoniaDirector, Chief Executive Officer
Option Exercise
14,565$32.6021,072(D)

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Jun 12, 2026Jun 16 9:26 PMHolly B. KordasiewiczEVP, Chief Development Officer
Option Exercise
60,846$60.890(D)

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