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IONS
Ticker

Ionis Pharmaceuticals, Inc.

IONS · Healthcare · Ionis Pharmaceuticals, Inc., a commercial-stage biotechnology company, provides RNA-targeted medicines in the United States

Ionis Pharmaceuticals, Inc. (IONS), in the Healthcare sector, has 79 disclosed filings on Paydirt over the trailing twelve months from 20 corporate insiders: 1 purchase and 78 sales. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Jul 31 and filed Jul 31. The most active filer was Joseph Baroldi with 12 filings.

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Filings, ttm
79
1 buy · 78 sells
Traders, ttm
20
20 insiders
Volume, ttmiDollar value disclosed in the window
$155.2M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Jul 31
Filed Jul 31
ADViAverage daily dollar volume
$142.4M
market data
Share price · 12M
$55.08 (-12.0%)
$86.50$69.14$51.77Sep 23 2025Mar 2Aug 5

Adjusted for splits and dividends.

Volume by month
$47.0M$23.5M$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2024 · sells $764KJan 2025 · sells $3.0MFeb 2025 · sells $1.9MApr 2025 · sells $112KMay 2025 · buys $478KAug 2025 · sells $1.6MSep 2025 · sells $35.4MOct 2025 · sells $21.0MNov 2025 · sells $18.6MDec 2025 · sells $2.3MJan 2026 · sells $15.3MFeb 2026 · sells $20.0MMar 2026 · sells $47.0MApr 2026 · sells $3.4MMay 2026 · sells $6.9MJun 2026 · sells $16.1MJul 2026 · buys $1.1MJul 2026 · sells $3.5M
Buys $1.5M Sells $196.8M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
JB Joseph Baroldi EVP, Chief Business Officer 12 filings BM Brett P Monia Chief Executive Officer 12 filings PN Patrick R. O'Neil EVP CLO & General Counsel 12 filings CB C Frank Bennett EVP, Chief Scientific Officer 9 filings SD Shannon L. Devers EVP, Chief Human Resources Ofc 9 filings ES Eric Swayze EVP Research 9 filings JI Joseph Klein Iii Director 7 filings ES Eugene Schneider EVP, Chf Clinical Develop Ofcr 7 filings
Recent filings
Michael R HaydenPURCHASE Director $1.1M
20,000 sh across 2 lots
Exec Jul 30
Filed Jul 31 · 4:42 PM ET
C Frank BennettSALE EVP, Chief Scientific Officer $1.7M
20,536 sh across 2 lots
Exec Jul 7
Filed Jul 9 · 7:26 PM ET
Allene M. DiazSALE Director $864K
10,111 sh × $85.42
Exec Jul 7
Filed Jul 9 · 6:07 PM ET
Joseph Klein IiiSALE Director $903K
11,419 sh × $79.04
Exec Jul 1
Filed Jul 6 · 6:49 PM ET
Eugene SchneiderSALE EVP, Chf Clinical Develop Ofcr $2.1M
26,000 sh × $81.05
Exec Jun 26
Filed Jun 30 · 5:30 PM ET
Patrick R. O'NeilSALE EVP CLO & General Counsel $246K
3,069 sh × $80.00
Exec Jun 26
Filed Jun 30 · 5:30 PM ET
Joseph BaroldiSALE EVP, Chief Business Officer $452K
5,635 sh × $80.16
Exec Jun 26
Filed Jun 30 · 5:30 PM ET
Eric SwayzeSALE EVP Research $839K
10,602 sh × $79.18
Exec Jun 25
Filed Jun 26 · 5:30 PM ET
Brett P MoniaSALE Chief Executive Officer $6.8M
85,637 sh across 3 lots
Exec Jun 24
Filed Jun 26 · 5:30 PM ET
Spencer R BerthelsenSALE Director $588K
8,000 sh × $73.49
Exec Jun 15
Filed Jun 16 · 5:30 PM ET
Holly B. KordasiewiczSALE EVP, Chief Development Officer $4.5M
60,846 sh across 2 lots
Exec Jun 12
Filed Jun 16 · 5:30 PM ET
Spencer R BerthelsenSALE Director $605K
8,000 sh × $75.67
Exec Jun 1
Filed Jun 3 · 5:30 PM ET
Brett P MoniaSALE Chief Executive Officer $356K
4,536 sh across 2 lots
Exec May 13
Filed May 15 · 5:30 PM ET
Joseph LoscalzoSALE Director $5.8M
77,289 sh across 2 lots
Exec May 4
Filed May 6 · 5:30 PM ET
Joseph Klein IiiSALE Director $743K
10,111 sh across 2 lots
Exec May 1
Filed May 5 · 5:30 PM ET
Joseph BaroldiSALE EVP, Chief Business Officer $117K
1,626 sh × $71.79
Exec Apr 28
Filed Apr 30 · 5:30 PM ET
Joseph BaroldiSALE EVP, Chief Business Officer $419K
5,619 sh × $74.56
Exec Apr 16
Filed Apr 17 · 5:30 PM ET
Kyle JenneSALE EVP, Chf GL Pdt Str Ofcr $368K
4,902 sh × $75.17
Exec Apr 16
Filed Apr 17 · 5:30 PM ET
B Lynne ParshallSALE Director $340K
4,466 sh × $76.19
Exec Apr 15
Filed Apr 17 · 5:30 PM ET
Shannon L. DeversSALE EVP, Chief Human Resources Ofc $459K
6,193 sh × $74.05
Exec Apr 2
Filed Apr 2 · 5:30 PM ET
Joseph Klein IiiSALE Director $1.7M
22,321 sh across 2 lots
Exec Apr 1
Filed Apr 2 · 5:30 PM ET
Eugene SchneiderSALE EVP, Chf Clinical Develop Ofcr $412K
5,812 sh × $70.97
Exec Mar 19
Filed Mar 23 · 5:30 PM ET
Elizabeth L HougenSALE EVP, Finance & CFO $16.3M
225,220 sh across 3 lots
Exec Mar 16
Filed Mar 18 · 5:30 PM ET
Kyle JenneSALE EVP, Chf GL Pdt Str Ofcr $2.8M
37,277 sh across 2 lots
Exec Mar 10
Filed Mar 11 · 5:30 PM ET
Brett P MoniaSALE Chief Executive Officer $12.1M
160,773 sh across 5 lots
Exec Mar 9
Filed Mar 11 · 5:30 PM ET