Form 4 Tracker
IONIS PHARMACEUTICALS INC
IONS

78 insider filings · Latest: Jul 30, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jan 30, 2026Feb 3 1:51 AMPatrick R. O'NeilEVP CLO & General Counsel
Sale
6,179$83.53$516.2K71,983(D)

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Jan 30, 2026Feb 3 1:51 AMBrett P MoniaDirector, Chief Executive Officer
Sale
62,970$82.72$5.2M283,927(D)

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Jan 30, 2026Feb 3 1:51 AMHOUGEN ELIZABETH LEVP, Finance & CFO
Sale
6,988$83.24$581.7K132,881(D)

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Jan 30, 2026Feb 3 1:51 AMBrian BirchlerEVP, Corp and Development Ops
Sale
6,179$83.03$513.0K66,247(D)

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Jan 30, 2026Feb 3 1:51 AMBENNETT C FRANKEVP, Chief Scientific Officer
Sale
5,885$82.95$488.1K100,293(D)

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Jan 30, 2026Feb 3 1:51 AMJoseph BaroldiEVP, Chief Business Officer
Sale
5,296$82.96$439.4K45,413(D)

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Feb 2, 2026Feb 2 9:22 PMBENNETT C FRANK
Proposed Sale
85,089$82.93$7.1M

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Jan 30, 2026Jan 31 1:50 AMBaroldi Joseph
Proposed Sale
5,296$83.02$439.7K

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Jan 30, 2026Jan 31 1:47 AMBirchler Brian
Proposed Sale
6,179$82.91$512.3K

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Jan 30, 2026Jan 31 1:40 AMBENNETT C FRANK
Proposed Sale
5,885$82.91$487.9K

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Jan 30, 2026Jan 31 1:34 AMHOUGEN ELIZABETH L
Proposed Sale
6,988$83.01$580.0K

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Jan 30, 2026Jan 31 1:23 AMMonia Brett P
Proposed Sale
62,970$82.96$5.2M

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Jan 30, 2026Jan 31 1:20 AMO'NEIL PATRICK R.
Proposed Sale
6,179$83.01$512.9K

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Jan 30, 2026Jan 31 1:19 AMSwayze Eric
Proposed Sale
6,179$83.01$512.9K

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Jan 30, 2026Jan 31 1:14 AMSchneider Eugene
Proposed Sale
6,179$83.01$512.9K

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Jan 22, 2026Jan 23 10:51 PMShannon L. DeversEVP, Chief Human Resources Ofc
Sale
3,977$81.34$323.5K22,541(D)

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Jan 22, 2026Jan 23 9:05 PMDevers Shannon L.
Proposed Sale
3,977$81.34$323.5K

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Jan 22, 2026Jan 22 9:07 PMDevers Shannon L.
Proposed Sale
3,977$81.34$323.5K

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Jan 16, 2026Jan 21 4:51 PMBaroldi Mariana
Proposed Sale
1,171$80.00$93.7K

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Jan 16, 2026Jan 21 1:21 AMEric SwayzeEVP Research
Sale
9,933$75.34$748.4K318(I)

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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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