Form 4 Tracker
IONIS PHARMACEUTICALS INC
IONS

63 insider filings · Latest: Jun 26, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Sep 3, 2025Sep 3 8:20 PMSchneider Eugene
Proposed Sale
19,658$60.81$1.2M

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Sep 3, 2024Sep 3 8:02 PMKLEIN JOSEPH III
Proposed Sale
28,000$60.00$1.7M

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Sep 2, 2025Sep 3 12:31 AMJoseph Wender
Proposed Sale
33,600$57.49$1.9M

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Sep 2, 2025Sep 2 9:34 PMSwayze Eric
Proposed Sale
11,130$49.67$552.9K

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Sep 2, 2025Sep 2 8:42 PMGeary Richard S
Proposed Sale
10,000$50.37$503.7K

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Sep 2, 2025Sep 2 8:34 PMO'NEIL PATRICK R.
Proposed Sale
13,050$54.51$711.4K

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Sep 2, 2025Sep 2 8:13 PMPARSHALL B LYNNE
Proposed Sale
20,000$50.91$1.0M

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Aug 22, 2025Aug 29 5:03 PMDiaz Allene M.
Proposed Sale
1,427$42.53$60.7K

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Aug 18, 2025Aug 18 8:26 PMBENNETT C FRANK
Proposed Sale
16,000$43.98$703.6K

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Aug 6, 2025Aug 6 8:10 PMPARSHALL B LYNNE
Proposed Sale
10,000$41.93$419.3K

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Aug 5, 2025Aug 5 8:17 PMGeary Richard S
Proposed Sale
10,000$42.86$428.6K

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Aug 4, 2025Aug 4 8:02 PMSchneider Eugene
Proposed Sale
9,549$42.88$409.5K

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Jul 30, 2025Jul 30 8:53 PMMonia Brett P
Proposed Sale
2,432$45.00$109.4K

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Apr 16, 2025Apr 16 9:41 PMJenne Kyle
Proposed Sale
3,016$28.36$85.5K

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Apr 16, 2025Apr 16 9:40 PMBirchler Brian
Proposed Sale
680$28.37$19.3K

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Apr 16, 2025Apr 16 9:38 PMBaroldi Joseph
Proposed Sale
3,928$28.40$111.6K

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Mar 11, 2025Mar 11 8:04 PMMonia Brett P
Proposed Sale
140$32.32$4.5K

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Feb 4, 2025Feb 4 10:15 PMO'NEIL PATRICK R.
Proposed Sale
7,372$32.13$236.9K

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Feb 4, 2025Feb 4 9:56 PMMonia Brett P
Proposed Sale
40,003$32.13$1.3M

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Feb 4, 2025Feb 4 9:45 PMO'NEIL PATRICK R.
Proposed Sale
7,372$32.13$236.9K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
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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Jun 15, 2026Jun 16 9:26 PMBERTHELSEN SPENCER RDirector
Option Exercise
8,000$24.420(D)

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Jun 4, 2026Jun 8 8:59 PMPeter N ReikesDirector
Grant/Award
10,753$75.1310,753(D)

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Jun 4, 2026Jun 8 8:59 PMLudwig HantsonDirector
Grant/Award
10,753$75.1310,753(D)

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Jun 1, 2026Jun 3 9:34 PMBERTHELSEN SPENCER RDirector
Option Exercise
8,000$24.428,000(D)

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May 14, 2026May 15 10:15 PMBrett P MoniaDirector, Chief Executive Officer
Option Exercise
3,220$32.6035,637(D)

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May 13, 2026May 15 10:15 PMBrett P MoniaDirector, Chief Executive Officer
Option Exercise
1,316$32.6038,857(D)

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May 4, 2026May 6 9:27 PMJoseph LoscalzoDirector
Option Exercise
77,289$64.800(D)

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May 1, 2026May 5 8:30 PMJoseph Klein IIIDirector
Option Exercise
10,111$47.110(D)

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Apr 15, 2026Apr 17 11:19 PMKyle JenneEVP, Chf GL Pdt Str Ofcr
Option Exercise
12,22674,402(D)

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Apr 15, 2026Apr 17 11:19 PMBrian BirchlerEVP, Corp and Development Ops
Option Exercise
1,87548,926(D)

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Apr 15, 2026Apr 17 11:19 PMJoseph BaroldiEVP, Chief Business Officer
Option Exercise
10,83748,312(D)

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Apr 1, 2026Apr 2 11:43 PMJoseph Klein IIIDirector
Option Exercise
22,321$41.080(D)

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Mar 16, 2026Mar 18 9:19 PMHOUGEN ELIZABETH LEVP, Finance & CFO
Option Exercise
174,999$60.890(D)

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Mar 10, 2026Mar 11 8:19 PMBrett P MoniaDirector, Chief Executive Officer
Option Exercise
34,103$60.890(D)

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