Form 4 Tracker
IONIS PHARMACEUTICALS INC
IONS

78 insider filings · Latest: Jul 30, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 25, 2026Jun 25 10:53 PMSwayze Eric
Proposed Sale
10,602$79.16$839.3K

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Jun 12, 2026Jun 16 9:26 PMHolly B. KordasiewiczEVP, Chief Development Officer
Sale
60,846$73.41$4.5M22,458(D)

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Jun 15, 2026Jun 16 9:26 PMBERTHELSEN SPENCER RDirector
Sale
8,000$73.49$587.9K156,013(D)

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Jun 15, 2026Jun 15 2:17 PMBERTHELSEN SPENCER R
Proposed Sale
8,000$73.49$587.9K

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Jun 12, 2026Jun 12 8:29 PMKordasiewicz Holly B.
Proposed Sale
60,846$73.41$4.5M

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Jun 1, 2026Jun 3 9:34 PMBERTHELSEN SPENCER RDirector
Sale
8,000$75.67$605.4K156,013(D)

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Jun 1, 2026Jun 1 2:47 PMBERTHELSEN SPENCER R
Proposed Sale
8,000$75.67$605.4K

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May 14, 2026May 15 10:15 PMBrett P MoniaDirector, Chief Executive Officer
Sale
3,220$78.68$253.3K242,662(D)

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May 13, 2026May 15 10:15 PMBrett P MoniaDirector, Chief Executive Officer
Sale
1,316$78.01$102.7K242,662(D)

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May 13, 2026May 13 9:20 PMMonia Brett P
Proposed Sale
100,000$78.01$7.8M

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May 4, 2026May 6 9:27 PMJoseph LoscalzoDirector
Sale
77,289$75.06$5.8M36,330(D)

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May 1, 2026May 5 8:30 PMJoseph Klein IIIDirector
Sale
10,111$73.51$743.2K11,014(D)

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May 4, 2026May 4 10:05 PMLOSCALZO JOSEPH
Proposed Sale
54,321$80.00$4.3M

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Apr 28, 2026Apr 30 8:21 PMJoseph BaroldiEVP, Chief Business Officer
Sale
1,626$71.79$116.7K44,909(D)

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Apr 28, 2026Apr 28 8:12 PMBaroldi Joseph
Proposed Sale
1,626$71.79$116.7K

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Apr 15, 2026Apr 17 11:19 PMLynne B ParshallDirector
Sale
5,000$76.27$381.4K51,344(D)

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Apr 16, 2026Apr 17 11:19 PMKyle JenneEVP, Chf GL Pdt Str Ofcr
Sale
4,902$75.17$368.5K23,713(D)

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Apr 16, 2026Apr 17 11:19 PMBrian BirchlerEVP, Corp and Development Ops
Sale
973$75.04$73.0K67,500(D)

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Apr 16, 2026Apr 17 11:19 PMJoseph BaroldiEVP, Chief Business Officer
Sale
5,619$74.56$419.0K46,535(D)

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Apr 16, 2026Apr 16 10:49 PMJenne Kyle
Proposed Sale
4,902$75.40$369.6K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
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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Mar 9, 2026Mar 11 8:19 PMBrett P MoniaDirector, Chief Executive Officer
Option Exercise
114,351$60.8934,103(D)

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Mar 10, 2026Mar 11 8:18 PMKyle JenneEVP, Chf GL Pdt Str Ofcr
Option Exercise
37,277$46.1032,601(D)

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Mar 4, 2026Mar 5 11:14 PMJoseph LoscalzoDirector
Option Exercise
200$38.0610,968(D)

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Mar 3, 2026Mar 5 11:14 PMJoseph LoscalzoDirector
Option Exercise
832$38.0611,168(D)

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Mar 3, 2026Mar 5 11:14 PMJoseph Klein IIIDirector
Option Exercise
16,000$42.880(D)

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Mar 3, 2026Mar 5 11:14 PMAllene M. DiazDirector
Option Exercise
40,321$41.080(D)

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