LIVE FROM THE DATABASETRANSACTIONS 361,642COMPANIES 5,757LATEST TRADE Oct 16UPDATED Oct 16, 07:42 PM
IONSCIK 0000874015

IONIS PHARMACEUTICALS INC

351 transactions by 21 insiders, from October 14, 2025 to August 31, 2026.

Transactions
35121 insiders
Bought · P
$1.1Mopen market
Sold · S
$117.2Mopen market
Net
−$116.1Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Shannon L. DeversChief4539/45—$8.7M
Brett P. MoniaCEO3727/37—$30.3M
Joseph BaroldiChief3519/35—$2.6M
C. Frank BennettChief2818/28—$16.7M
Eric SwayzeEVP2311/23—$5.2M
Joseph Klein IIIDir2323/23—$5.0M
Joseph LoscalzoDir2220/22—$5.9M
Brian BirchlerEVP207/20—$3.6M
Elizabeth L. HougenCFO1911/19—$17.9M
Holly B. KordasiewiczChief1711/17—$4.8M
Kyle JenneEVP156/15—$3.3M
Allene M. DiazDir1412/14—$5.2M
Patrick R. O'NeilGC122/12—$2.2M
Eugene SchneiderEVP124/12—$3.7M
Spencer R. BerthelsenDir106/10—$1.2M
Michael J. YangDir4———
Michael R. HaydenDir4—$1.1M—
Joan E. HermanDir4———
B. Lynne ParshallDir33/3—$795K
Ludwig HantsonDir2———
Peter N. ReikesDir2———

All transactions

351 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Patrick R. O'NeilGCAug 31J63$51.31$3K
Brett P. MoniaCEOAug 31J98$51.31$5K
Brian BirchlerEVPAug 31J58$51.31$3K
C. Frank BennettChiefAug 31J110$51.31$6K
Michael R. HaydenDirJul 31P5,000$51.60$258K
Michael R. HaydenDirJul 30P15,000$53.38$801K
Peter N. ReikesDirDERIVJul 15A3,399$0.00—?
Joan E. HermanDirDERIVJul 15M5,220$0.00—?
Joan E. HermanDirJul 15M5,220$0.00—
Ludwig HantsonDirDERIVJul 15A3,399$0.00—?
Spencer R. BerthelsenDirDERIVJul 15M5,220$0.00—?
Spencer R. BerthelsenDirJul 15M5,220$0.00—
Holly B. KordasiewiczChiefJul 7SPLAN362$84.30$31K
Allene M. DiazDirDERIVJul 7MPLAN10,111$0.00—?
Allene M. DiazDirJul 7SPLAN10,111$85.42$864K
Allene M. DiazDirJul 7MPLAN10,111$47.11$476K
C. Frank BennettChiefDERIVJul 7JPLAN15,000$0.00—?
C. Frank BennettChiefJul 7SPLAN15,000$85.46$1.3M
C. Frank BennettChiefJul 7JPLAN15,000$0.00—
C. Frank BennettChiefJul 7SPLAN5,536$83.58$463K
Michael J. YangDirDERIVJul 1A2,301$0.00—?
Michael J. YangDirDERIVJul 1A5,369$0.00—?
Joseph LoscalzoDirDERIVJul 1A2,301$0.00—?
Joseph LoscalzoDirDERIVJul 1A5,369$0.00—?
Joseph Klein IIIDirDERIVJul 1APLAN2,301$0.00—?
Joseph Klein IIIDirDERIVJul 1APLAN5,369$0.00—?
Joseph Klein IIIDirDERIVJul 1MPLAN11,518$0.00—?
Joseph Klein IIIDirJul 1SPLAN11,419$79.04$903K
Joseph Klein IIIDirJul 1SPLAN99$79.45$8K
Joseph Klein IIIDirJul 1MPLAN11,518$39.94$460K
Michael R. HaydenDirDERIVJul 1A2,301$0.00—?
Michael R. HaydenDirDERIVJul 1A5,369$0.00—?
Joan E. HermanDirDERIVJul 1A2,301$0.00—?
Joan E. HermanDirDERIVJul 1A5,369$0.00—?
Allene M. DiazDirDERIVJul 1A2,301$0.00—?
Allene M. DiazDirDERIVJul 1A5,369$0.00—?
Spencer R. BerthelsenDirDERIVJul 1A2,301$0.00—?
Spencer R. BerthelsenDirDERIVJul 1A5,369$0.00—?
Patrick R. O'NeilGCJun 26SPLAN3,069$80.00$246K
Eugene SchneiderEVPDERIVJun 26MPLAN26,000$0.00—?
Eugene SchneiderEVPJun 26SPLAN26,000$81.05$2.1M
Eugene SchneiderEVPJun 26MPLAN26,000$60.89$1.6M
Joseph BaroldiChiefDERIVJun 26MPLAN3,866$0.00—?
Joseph BaroldiChiefDERIVJun 26MPLAN1,769$0.00—?
Joseph BaroldiChiefJun 26SPLAN5,635$80.16$452K
Joseph BaroldiChiefJun 26MPLAN1,769$32.60$58K
Joseph BaroldiChiefJun 26MPLAN3,866$56.78$220K
Brett P. MoniaCEODERIVJun 26MPLAN50,000$0.00—?
Brett P. MoniaCEODERIVJun 25MPLAN21,072$0.00—?
Brett P. MoniaCEODERIVJun 24MPLAN14,565$0.00—?
Brett P. MoniaCEOJun 26SPLAN50,000$80.59$4.0M
Brett P. MoniaCEOJun 26MPLAN50,000$56.78$2.8M
Brett P. MoniaCEOJun 25SPLAN21,072$78.49$1.7M
Brett P. MoniaCEOJun 25MPLAN21,072$32.60$687K
Brett P. MoniaCEOJun 24SPLAN14,565$78.41$1.1M
Brett P. MoniaCEOJun 24MPLAN14,565$32.60$475K
Eric SwayzeEVPJun 25SPLAN10,602$79.18$839K
Holly B. KordasiewiczChiefDERIVJun 12MPLAN21,000$0.00—?
Holly B. KordasiewiczChiefDERIVJun 12MPLAN7,951$0.00—?
Holly B. KordasiewiczChiefDERIVJun 12MPLAN19,895$0.00—?
Holly B. KordasiewiczChiefDERIVJun 12MPLAN12,000$0.00—?
Holly B. KordasiewiczChiefJun 12SPLAN19,842$74.05$1.5M
Holly B. KordasiewiczChiefJun 12SPLAN41,004$73.09$3.0M
Holly B. KordasiewiczChiefJun 12MPLAN19,895$56.78$1.1M
Holly B. KordasiewiczChiefJun 12MPLAN12,000$32.60$391K
Holly B. KordasiewiczChiefJun 12MPLAN21,000$60.89$1.3M
Holly B. KordasiewiczChiefJun 12MPLAN7,951$60.89$484K
Spencer R. BerthelsenDirDERIVJun 15MPLAN8,000$0.00—?
Spencer R. BerthelsenDirJun 15SPLAN8,000$73.49$588K
Spencer R. BerthelsenDirJun 15MPLAN8,000$24.42$195K
Peter N. ReikesDirDERIVJun 4A10,753$0.00—?
Ludwig HantsonDirDERIVJun 4A10,753$0.00—?
Spencer R. BerthelsenDirDERIVJun 1MPLAN8,000$0.00—?
Spencer R. BerthelsenDirJun 1SPLAN8,000$75.67$605K
Spencer R. BerthelsenDirJun 1MPLAN8,000$24.42$195K
Brett P. MoniaCEODERIVMay 14MPLAN3,220$0.00—?
Brett P. MoniaCEODERIVMay 13MPLAN1,316$0.00—?
Brett P. MoniaCEOMay 14SPLAN3,220$78.68$253K
Brett P. MoniaCEOMay 14MPLAN3,220$32.60$105K
Brett P. MoniaCEOMay 13SPLAN1,316$78.01$103K
Brett P. MoniaCEOMay 13MPLAN1,316$32.60$43K
Joseph LoscalzoDirDERIVMay 4MPLAN16,000$0.00—?
Joseph LoscalzoDirDERIVMay 4MPLAN12,000$0.00—?
Joseph LoscalzoDirDERIVMay 4MPLAN16,000$0.00—?
Joseph LoscalzoDirDERIVMay 4MPLAN10,321$0.00—?
Joseph LoscalzoDirDERIVMay 4MPLAN12,000$0.00—?
Joseph LoscalzoDirDERIVMay 4MPLAN10,968$0.00—?
Joseph LoscalzoDirMay 4SPLAN17,781$75.58$1.3M
Joseph LoscalzoDirMay 4SPLAN59,508$74.90$4.5M
Joseph LoscalzoDirMay 4MPLAN16,000$64.80$1.0M
Joseph LoscalzoDirMay 4MPLAN12,000$60.20$722K
Joseph LoscalzoDirMay 4MPLAN16,000$42.88$686K
Joseph LoscalzoDirMay 4MPLAN10,321$41.08$424K
Joseph LoscalzoDirMay 4MPLAN12,000$40.05$481K
Joseph LoscalzoDirMay 4MPLAN10,968$38.06$417K
Joseph Klein IIIDirDERIVMay 1MPLAN10,111$0.00—?
Joseph Klein IIIDirMay 1SPLAN1,431$74.45$107K
Joseph Klein IIIDirMay 1SPLAN8,680$73.35$637K
Joseph Klein IIIDirMay 1MPLAN10,111$47.11$476K
Joseph BaroldiChiefApr 28SPLAN1,626$71.79$117K
B. Lynne ParshallDirApr 15SPLAN534$76.97$41K
B. Lynne ParshallDirApr 15SPLAN4,466$76.19$340K
Kyle JenneEVPDERIVApr 15M12,226$0.00—?
Kyle JenneEVPApr 16S4,902$75.17$368K
Kyle JenneEVPApr 15M12,226$0.00—
Brian BirchlerEVPDERIVApr 15M1,875$0.00—?
Brian BirchlerEVPApr 16S973$75.04$73K
Brian BirchlerEVPApr 15M1,875$0.00—
Joseph BaroldiChiefDERIVApr 15M10,837$0.00—?
Joseph BaroldiChiefApr 16S5,619$74.56$419K
Joseph BaroldiChiefApr 15M10,837$0.00—
Joseph Klein IIIDirDERIVApr 1MPLAN10,321$0.00—?
Joseph Klein IIIDirDERIVApr 1MPLAN12,000$0.00—?
Joseph Klein IIIDirApr 1SPLAN2,216$75.95$168K
Joseph Klein IIIDirApr 1SPLAN20,105$75.50$1.5M
Joseph Klein IIIDirApr 1MPLAN10,321$41.08$424K
Joseph Klein IIIDirApr 1MPLAN12,000$38.06$457K
Shannon L. DeversChiefApr 2SPLAN6,193$74.05$459K
Eugene SchneiderEVPMar 19SPLAN5,812$70.97$412K
Elizabeth L. HougenCFODERIVMar 16MPLAN60,299$0.00—?
Elizabeth L. HougenCFODERIVMar 16MPLAN61,041$0.00—?
Elizabeth L. HougenCFODERIVMar 16MPLAN20,541$0.00—?
Elizabeth L. HougenCFODERIVMar 16MPLAN33,118$0.00—?
Elizabeth L. HougenCFOMar 17SPLAN10,172$73.21$745K
Elizabeth L. HougenCFOMar 16SPLAN9,440$72.77$687K
Elizabeth L. HougenCFOMar 16SPLAN205,608$72.38$14.9M
Elizabeth L. HougenCFOMar 16MPLAN20,541$37.58$772K
Elizabeth L. HougenCFOMar 16MPLAN33,118$32.60$1.1M
Elizabeth L. HougenCFOMar 16MPLAN61,041$56.78$3.5M
Elizabeth L. HougenCFOMar 16MPLAN60,299$60.89$3.7M
Patrick R. O'NeilGCMar 9SPLAN10,148$75.25$764K
Brett P. MoniaCEODERIVMar 10MPLAN34,103$0.00—?
Brett P. MoniaCEODERIVMar 9MPLAN73,529$0.00—?
Brett P. MoniaCEODERIVMar 9MPLAN40,822$0.00—?
Brett P. MoniaCEOMar 10SPLAN17,591$76.34$1.3M
Brett P. MoniaCEOMar 10SPLAN16,512$75.47$1.2M
Brett P. MoniaCEOMar 10MPLAN34,103$60.89$2.1M
Brett P. MoniaCEOMar 9SPLAN1,684$75.58$127K
Brett P. MoniaCEOMar 9SPLAN117,604$75.26$8.9M
Brett P. MoniaCEOMar 9SPLAN7,382$74.11$547K
Brett P. MoniaCEOMar 9MPLAN73,529$60.89$4.5M
Brett P. MoniaCEOMar 9MPLAN40,822$60.89$2.5M
Kyle JenneEVPDERIVMar 10MPLAN32,602$0.00—?
Kyle JenneEVPDERIVMar 10MPLAN4,675$0.00—?
Kyle JenneEVPMar 10MPLAN4,675$34.69$162K
Kyle JenneEVPMar 10SPLAN16,086$76.30$1.2M
Kyle JenneEVPMar 10SPLAN21,191$75.50$1.6M
Kyle JenneEVPMar 10MPLAN32,602$46.10$1.5M
Joseph LoscalzoDirDERIVMar 4MPLAN200$0.00—?
Joseph LoscalzoDirDERIVMar 3MPLAN832$0.00—?
Joseph LoscalzoDirMar 4SPLAN200$80.00$16K
Joseph LoscalzoDirMar 4MPLAN200$38.06$8K
Joseph LoscalzoDirMar 3SPLAN832$80.33$67K
Joseph LoscalzoDirMar 3MPLAN832$38.06$32K
Joseph Klein IIIDirDERIVMar 3MPLAN4,000$0.00—?
Joseph Klein IIIDirDERIVMar 3MPLAN12,000$0.00—?
Joseph Klein IIIDirMar 3SPLAN1,012$80.82$82K
Joseph Klein IIIDirMar 3SPLAN6,794$80.00$543K
Joseph Klein IIIDirMar 3SPLAN13,526$79.17$1.1M
Joseph Klein IIIDirMar 3MPLAN4,000$42.88$172K
Joseph Klein IIIDirMar 3MPLAN12,000$40.05$481K
Allene M. DiazDirDERIVMar 3MPLAN10,321$0.00—?
Allene M. DiazDirDERIVMar 3MPLAN18,000$0.00—?
Allene M. DiazDirDERIVMar 3MPLAN12,000$0.00—?
Allene M. DiazDirMar 3SPLAN1,005$80.80$81K
Allene M. DiazDirMar 3SPLAN14,608$79.88$1.2M
Allene M. DiazDirMar 3SPLAN39,265$79.11$3.1M
Allene M. DiazDirMar 3MPLAN18,000$40.05$721K
Allene M. DiazDirMar 3MPLAN12,000$38.06$457K
Allene M. DiazDirMar 3MPLAN10,321$41.08$424K
Shannon L. DeversChiefDERIVMar 3MPLAN385$0.00—?
Shannon L. DeversChiefDERIVMar 3MPLAN3,760$0.00—?
Shannon L. DeversChiefDERIVMar 3MPLAN3,510$0.00—?
Shannon L. DeversChiefDERIVMar 3MPLAN5,500$0.00—?
Shannon L. DeversChiefDERIVMar 3MPLAN6,951$0.00—?
Shannon L. DeversChiefMar 3SPLAN755$80.84$61K
Shannon L. DeversChiefMar 3SPLAN5,030$80.00$402K
Shannon L. DeversChiefMar 3SPLAN14,321$79.12$1.1M
Shannon L. DeversChiefMar 3MPLAN385$52.87$20K
Shannon L. DeversChiefMar 3MPLAN6,951$32.60$227K
Shannon L. DeversChiefMar 3MPLAN5,500$34.69$191K
Shannon L. DeversChiefMar 3MPLAN3,760$40.85$154K
Shannon L. DeversChiefMar 3MPLAN3,510$37.58$132K
Joseph BaroldiChiefDERIVMar 4MPLAN238$0.00—?
Joseph BaroldiChiefDERIVMar 3MPLAN820$0.00—?
Joseph BaroldiChiefDERIVMar 4MPLAN201$0.00—?
Joseph BaroldiChiefDERIVMar 3MPLAN879$0.00—?
Joseph BaroldiChiefMar 4SPLAN201$80.00$16K
Joseph BaroldiChiefMar 4MPLAN201$32.60$7K
Joseph BaroldiChiefMar 4SPLAN238$80.00$19K
Joseph BaroldiChiefMar 4MPLAN238$56.78$14K
Joseph BaroldiChiefMar 3SPLAN36$81.01$3K
Joseph BaroldiChiefMar 3SPLAN2,088$80.41$168K
Joseph BaroldiChiefMar 3MPLAN879$32.60$29K
Joseph BaroldiChiefMar 3MPLAN820$56.78$47K
Joseph BaroldiChiefMar 3SPLAN4,096$79.36$325K
C. Frank BennettChiefDERIVMar 3MPLAN48,626$0.00—?
C. Frank BennettChiefDERIVMar 3MPLAN16,463$0.00—?
C. Frank BennettChiefMar 3SPLAN802$80.76$65K
C. Frank BennettChiefMar 3SPLAN12,687$79.88$1.0M