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
Jul 15, 2026Jul 17 9:13 PMPeter N ReikesDirector
Grant/Award
3,3993,399(D)

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Jul 15, 2026Jul 17 9:13 PMLudwig HantsonDirector
Grant/Award
3,3993,399(D)

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Jul 15, 2026Jul 17 9:12 PMJoan E HermanDirector
Option Exercise
5,2202,301(D)

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Jul 15, 2026Jul 17 9:12 PMBERTHELSEN SPENCER RDirector
Option Exercise
5,2202,301(D)

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Jul 7, 2026Jul 9 11:26 PMBENNETT C FRANKEVP, Chief Scientific Officer
Other (J)
15,000$0.0012,109(D)

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Jul 7, 2026Jul 9 10:07 PMAllene M. DiazDirector
Option Exercise
10,111$47.110(D)

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Jul 1, 2026Jul 6 10:50 PMMichael J. YangDirector
Grant/Award
7,670$79.199,451(D)

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Jul 1, 2026Jul 6 10:50 PMJoseph LoscalzoDirector
Grant/Award
7,670$79.197,521(D)

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Jul 1, 2026Jul 6 10:49 PMJoan E HermanDirector
Grant/Award
7,670$79.197,521(D)

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Jul 1, 2026Jul 6 10:49 PMJoseph Klein IIIDirector
Option Exercise
11,518$39.940(D)

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Jul 1, 2026Jul 6 10:49 PMJoseph Klein IIIDirector
Grant/Award
7,670$79.1916,277(D)

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Jul 1, 2026Jul 6 10:45 PMMichael R HaydenDirector
Grant/Award
7,670$79.1912,198(D)

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Jul 1, 2026Jul 6 10:44 PMAllene M. DiazDirector
Grant/Award
7,670$79.197,521(D)

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Jul 1, 2026Jul 6 10:44 PMBERTHELSEN SPENCER RDirector
Grant/Award
7,670$79.197,521(D)

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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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