Form 4 Tracker
IONIS PHARMACEUTICALS INC
IONS

78 insider filings · Latest: Jul 30, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jul 31, 2026Jul 31 8:42 PMMichael R HaydenDirector
Purchase
5,000$51.60$258.0K24,000(I)

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Jul 30, 2026Jul 31 8:42 PMMichael R HaydenDirector
Purchase
15,000$53.38$800.7K19,000(I)

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Jul 7, 2026Jul 9 11:26 PMBENNETT C FRANKEVP, Chief Scientific Officer
Sale
20,536$84.95$1.7M0(I)

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Jul 7, 2026Jul 9 10:07 PMAllene M. DiazDirector
Sale
10,111$85.42$863.6K3,811(D)

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Jul 7, 2026Jul 9 10:07 PMHolly B. KordasiewiczEVP, Chief Development Officer
Sale
362$84.30$30.5K22,096(D)

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Jul 7, 2026Jul 7 8:33 PMDiaz Allene M.
Proposed Sale
10,111$85.42$863.6K

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Jul 7, 2026Jul 7 8:30 PMKordasiewicz Holly B.
Proposed Sale
1,287$84.30$108.5K

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Jul 7, 2026Jul 7 8:28 PMBENNETT C FRANK
Proposed Sale
67,386$84.95$5.7M

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Jul 1, 2026Jul 6 10:49 PMJoseph Klein IIIDirector
Sale
11,518$79.04$910.4K11,014(D)

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Jul 1, 2026Jul 1 9:29 PMKLEIN JOSEPH III
Proposed Sale
11,518$79.04$910.4K

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Jun 26, 2026Jun 30 9:48 PMJoseph BaroldiEVP, Chief Business Officer
Sale
5,635$80.16$451.7K4,669(I)

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Jun 26, 2026Jun 30 9:48 PMPatrick R. O'NeilEVP CLO & General Counsel
Sale
3,069$80.00$245.5K61,470(D)

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Jun 26, 2026Jun 30 9:48 PMEugene SchneiderEVP, Chf Clinical Develop Ofcr
Sale
26,000$81.05$2.1M77,114(D)

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Jun 26, 2026Jun 26 11:09 PMBrett P MoniaDirector, Chief Executive Officer
Sale
50,000$80.59$4.0M245,571(D)

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Jun 25, 2026Jun 26 11:09 PMBrett P MoniaDirector, Chief Executive Officer
Sale
21,072$78.49$1.7M245,571(D)

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Jun 24, 2026Jun 26 11:09 PMBrett P MoniaDirector, Chief Executive Officer
Sale
14,565$78.41$1.1M245,571(D)

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Jun 25, 2026Jun 26 11:09 PMEric SwayzeEVP Research
Sale
10,602$79.18$839.5K21,759(D)

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Jun 26, 2026Jun 26 9:48 PMBaroldi Mariana
Proposed Sale
5,635$80.16$451.7K

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Jun 26, 2026Jun 26 9:47 PMO'NEIL PATRICK R.
Proposed Sale
3,069$80.00$245.5K

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Jun 26, 2026Jun 26 9:43 PMSchneider Eugene
Proposed Sale
47,884$81.05$3.9M

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Page 1 of 10

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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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