Form 4 Tracker
IONIS PHARMACEUTICALS INC
IONS

78 insider filings · Latest: Jul 30, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
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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Jan 31, 2025Jan 31 10:43 PMSchneider Eugene
Proposed Sale
1,700$33.00$56.1K

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Jan 31, 2025Jan 31 10:41 PMGeary Richard S
Proposed Sale
1,910$35.00$66.8K

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Jan 31, 2025Jan 31 10:03 PMSwayze Eric
Proposed Sale
1,857$35.00$65.0K

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Jan 31, 2025Jan 31 10:02 PMO'NEIL PATRICK R.
Proposed Sale
1,910$35.00$66.8K

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Jan 31, 2025Jan 31 10:01 PMHOUGEN ELIZABETH L
Proposed Sale
2,069$35.00$72.4K

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Jan 31, 2025Jan 31 9:59 PMBENNETT C FRANK
Proposed Sale
1,803$35.00$63.1K

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Jan 31, 2025Jan 31 9:58 PMMonia Brett P
Proposed Sale
13,242$33.53$444.0K

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Jan 16, 2025Jan 17 12:31 AMSwayze Eric
Proposed Sale
7,154$32.70$233.9K

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Jan 16, 2025Jan 17 12:30 AMSchneider Eugene
Proposed Sale
6,523$32.70$213.3K

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Jan 16, 2025Jan 17 12:29 AMO'NEIL PATRICK R.
Proposed Sale
7,360$32.70$240.7K

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Jan 16, 2025Jan 17 12:28 AMMonia Brett P
Proposed Sale
33,445$32.70$1.1M

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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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