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IONIS PHARMACEUTICALS INC
Pharmaceutical Preparations · CA · CIK 874015
IONIS PHARMACEUTICALS INC invents RNA-targeted medicines to treat serious diseases
red 8-K · 90d
$12.11B
Market cap
$80.69
Last close
-0.6%
1D
+6.3%
5D
2.8M
Volume
Price · last 39 sessions+6.9%
May 4L $72.52 · H $81.18Jun 29
145
Total filings
Jun 24, 2026
Last filing
12/31
Fiscal year end
8-KReg FD Disclosure · Company UpdateJun 24, 20268-KCompany UpdateJun 12, 20268-KExecutive Change · Shareholder VoteJun 8, 20268-KReg FD Disclosure · Company UpdateMay 28, 202610-QIONIS PHARMACEUTICALS, INC. 10-Q 03-31-2026Apr 29, 20268-KResults of OperationsApr 29, 2026DEFA14ADEFA14AApr 23, 2026DEF 14ADEF 14AApr 23, 20268-KReg FD Disclosure · Company UpdateApr 21, 20268-KExecutive Change · Reg FD DisclosureMar 9, 202610-KIONIS PHARMACEUTICALS, INC. 10-K 12-31-2025Feb 26, 20268-KResults of OperationsFeb 25, 20268-KResults of OperationsJan 12, 20268-KReg FD Disclosure · Company UpdateJan 7, 20268-KMaterial Agreement · New Debt / ObligationNov 17, 20258-KReg FD Disclosure · Company UpdateNov 10, 20258-K/AMaterial AgreementNov 3, 202510-QIONIS PHARMACEUTICALS, INC. 10-Q 9-30-2025Oct 29, 20258-KResults of OperationsOct 29, 20258-KReg FD Disclosure · Company UpdateSep 22, 20258-KReg FD Disclosure · Company UpdateSep 2, 20258-KReg FD Disclosure · Company UpdateAug 21, 202510-QIONIS PHARMACEUTICALS, INC. 10-Q 6-30-2025Jul 30, 20258-KResults of OperationsJul 30, 20258-KExecutive ChangeJun 12, 20258-KShareholder VoteJun 10, 20258-KCompany UpdateMay 19, 202510-QIONIS PHARMACEUTICALS, INC. 10-Q 3-31-2025Apr 30, 20258-KResults of OperationsApr 30, 2025DEFA14ADEFA14AApr 25, 2025DEF 14ADEF 14AApr 25, 20258-KMaterial AgreementMar 12, 202510-KIONIS PHARMACEUTICALS, INC. 10-K 12-31-2024Feb 19, 20258-KResults of OperationsFeb 19, 20258-KCompany UpdateDec 20, 2024SC 13GSEC SCHEDULE 13GNov 8, 202410-QIONIS PHARMACEUTICALS, INC. 10-Q 9-30-2024Nov 6, 20248-KResults of OperationsNov 6, 20248-KCompany UpdateSep 12, 2024424B5424B5Sep 10, 20248-KCompany UpdateSep 9, 2024424B5424B5Sep 9, 202410-QIONIS PHARMACEUTICALS INC 10-Q 6-30-2024Aug 1, 20248-KResults of OperationsAug 1, 20248-KMaterial AgreementJun 18, 20248-KShareholder VoteJun 10, 20248-KCompany UpdateMay 31, 202410-QIONIS PHARMACEUTICALS INC 10-Q 3-31-2024May 7, 20248-KResults of OperationsMay 7, 2024DEFA14ADEFA14AApr 25, 2024DEF 14ADEF 14AApr 25, 20248-KCompany UpdateApr 8, 20248-KExecutive Change · Material AgreementFeb 29, 202410-KIONIS PHARMACEUTICALS, INC. 10-K 12-31-2023Feb 21, 20248-KResults of OperationsFeb 21, 2024SC 13GSC 13GFeb 14, 20248-KCompany UpdateJan 22, 20248-KCompany UpdateDec 22, 20238-KMaterial AgreementDec 18, 20238-KExecutive ChangeDec 14, 202310-QIONIS PHARMACEUTICALS INC 10-Q 9-30-2023Nov 2, 20238-KResults of OperationsNov 2, 20238-KMaterial AgreementSep 27, 20238-KCompany UpdateSep 26, 20238-KCompany UpdateAug 23, 20238-KCompany UpdateAug 22, 202310-QIONIS PHARMACEUTICALS INC 10-Q 6-30-2023Aug 9, 20238-KResults of OperationsAug 9, 20238-KAgreement TerminatedAug 4, 20238-KMaterial AgreementAug 3, 20238-KCompany UpdateJul 10, 20238-KMaterial Agreement · New Debt / ObligationJun 12, 20238-KCompany UpdateJun 6, 20238-KShareholder VoteJun 5, 202310-QIONIS PHARMACEUTICALS INC 10-Q 3-31-2023May 3, 20238-KResults of OperationsMay 3, 20238-KCompany UpdateApr 26, 20238-KCompany UpdateApr 24, 2023DEFA14ADEFA14AApr 20, 2023DEF 14ADEF 14AApr 20, 2023
Insider Activity
In the 90 days to Mar 19, 2026: 15 sold $82.8M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 19, 2026 | Schneider EugeneEVP, Chf Clinical Develop Ofcr | Sell | 5,812 | $70.97 | $412K |
| Mar 17, 2026 | Hougen Elizabeth LEVP, Finance & CFO | Sell | 10,172 | $73.21 | $745K |
| Mar 16, 2026 | Hougen Elizabeth LEVP, Finance & CFO | Sell | 205,608 | $72.38 | $14.9M |
| Mar 16, 2026 | Hougen Elizabeth LEVP, Finance & CFO | Sell | 9,440 | $72.77 | $687K |
| Mar 10, 2026 | Jenne KyleEVP, Chf GL Pdt Str Ofcr | Sell | 21,191 | $75.50 | $1.6M |
| Mar 10, 2026 | Monia Brett PChief Executive Officer | Sell | 17,591 | $76.34 | $1.3M |
| Mar 10, 2026 | Monia Brett PChief Executive Officer | Sell | 16,512 | $75.47 | $1.2M |
| Mar 10, 2026 | Jenne KyleEVP, Chf GL Pdt Str Ofcr | Sell | 16,086 | $76.30 | $1.2M |
| Mar 9, 2026 | Monia Brett PChief Executive Officer | Sell | 117,604 | $75.26 | $8.9M |
| Mar 9, 2026 | O'Neil Patrick R.EVP CLO & General Counsel | Sell | 10,148 | $75.25 | $764K |
| Mar 9, 2026 | Monia Brett PChief Executive Officer | Sell | 7,382 | $74.11 | $547K |
| Mar 9, 2026 | Monia Brett PChief Executive Officer | Sell | 1,684 | $75.58 | $127K |
| Mar 4, 2026 | Baroldi JosephEVP, Chief Business Officer | Sell | 238 | $80.00 | $19K |
| Mar 4, 2026 | Baroldi JosephEVP, Chief Business Officer | Sell | 201 | $80.00 | $16K |
| Mar 4, 2026 | Loscalzo JosephDirector | Sell | 200 | $80.00 | $16K |
| Mar 3, 2026 | Bennett C FrankEVP, Chief Scientific Officer | Sell | 71,600 | $79.10 | $5.7M |
| Mar 3, 2026 | Diaz Allene M.Director | Sell | 39,265 | $79.11 | $3.1M |
| Mar 3, 2026 | Diaz Allene M.Director | Sell | 14,608 | $79.88 | $1.2M |
| Mar 3, 2026 | Devers Shannon L.EVP, Chief Human Resources Ofc | Sell | 14,321 | $79.12 | $1.1M |
| Mar 3, 2026 | Klein Joseph IiiDirector | Sell | 13,526 | $79.17 | $1.1M |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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