Ionis Pharmaceuticals (IONS) Insider Trading & Ownership

Ionis Pharmaceuticals logo
$74.12 -0.19 (-0.26%)
Closing price 04:00 PM Eastern
Extended Trading
$74.12 0.00 (0.00%)
As of 04:15 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Ionis Pharmaceuticals (NASDAQ:IONS) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
1.81%
Number Of
Insiders Buying
(Last 12 Months)
0
Number Of
Insiders Selling
(Last 12 Months)
15
Amount Of
Insider Selling
(Last 12 Months)
$151.77M
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IONS Insider Buying and Selling by Quarter

Ionis Pharmaceuticals Insider and Congressional Trades History

Transaction DateInsiderBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
6/15/2026Sell8,000$73.49$587,920.00  
6/12/2026Sell60,846$73.41$4,466,704.86  
6/1/2026Sell8,000$75.67$605,360.00  
4/16/2026Sell973$75.04$73,013.92  
4/16/2026Sell4,902$75.17$368,483.34  
4/15/2026Sell5,000$76.27$381,350.00  
4/2/2026Sell6,193$74.05$458,591.65  
3/19/2026Sell5,812$70.97$412,477.64  
3/17/2026Sell10,172$73.21$744,692.12  
3/16/2026Sell215,048$72.40$15,569,475.20  
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3/10/2026Sell34,103$75.92$2,589,099.76  
3/10/2026Sell37,277$75.85$2,827,460.45  
3/9/2026Sell126,670$75.20$9,525,584.00  
3/9/2026Sell10,148$75.25$763,637.00  
3/3/2026Sell54,878$79.35$4,354,569.30  
3/3/2026Sell85,089$79.23$6,741,601.47  
3/3/2026Sell20,106$79.40$1,596,416.40  
2/13/2026Sell15,642$81.76$1,278,889.92  
2/11/2026Sell5,000$82.72$413,600.00  
2/6/2026Sell29,430$85.79$2,524,799.70  
2/2/2026Sell85,089$82.93$7,056,430.77  
1/30/2026Sell62,970$82.72$5,208,878.40  
1/30/2026Sell6,179$83.03$513,042.37  
1/30/2026Sell5,885$82.95$488,160.75  
1/30/2026Sell5,885$82.95$488,160.75  
1/30/2026Sell6,988$83.24$581,681.12  
1/30/2026Sell6,179$82.93$512,424.47  
1/30/2026Sell6,179$83.45$515,637.55  
1/30/2026Sell6,179$83.53$516,131.87  
1/30/2026Sell6,179$83.53$516,131.87  
1/22/2026Sell3,977$81.34$323,489.18  
1/16/2026Sell44,034$74.82$3,294,623.88  
1/16/2026Sell8,480$75.11$636,932.80  
1/16/2026Sell8,977$75.15$674,621.55  
1/16/2026Sell12,922$75.22$971,992.84  
1/16/2026Sell9,884$75.34$744,660.56  
1/16/2026Sell49$75.97$3,722.53  
1/16/2026Sell9,302$75.59$703,138.18  
1/16/2026Sell4,141$75.66$313,308.06  
1/16/2026Sell1,823$75.96$138,475.08  
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1/16/2026Sell9,191$75.84$697,045.44  
1/16/2026Sell8,353$75.95$634,410.35  
1/7/2026Sell44,199$85.08$3,760,450.92  
1/2/2026Sell23,463$79.12$1,856,392.56  
12/1/2025Sell28,000$80.82$2,262,960.00  
11/25/2025Sell16,777$80.91$1,357,427.07  
11/6/2025Sell8,000$76.17$609,360.00  
11/6/2025Sell33,038$75.72$2,501,637.36  
11/5/2025Sell1,601$75.01$120,091.01  
11/3/2025Sell1,680$75.05$126,084.00  
10/31/2025Sell11,200$75.16$841,792.00  
10/31/2025Sell89,249$75.11$6,703,492.39  
10/30/2025Sell16,800$73.26$1,230,768.00  
10/16/2025Sell53$73.62$3,901.86  
10/16/2025Sell1,263$73.62$92,982.06  
10/15/2025Sell5,000$71.74$358,700.00  
10/15/2025Sell12,425$72.23$897,457.75  
10/15/2025Sell6,000$72.94$437,640.00  
10/14/2025Sell11,475$72.03$826,544.25  
10/6/2025Sell437$69.26$30,266.62  
10/6/2025Sell6,849$69.02$472,717.98  
10/6/2025Sell13,441$69.74$937,375.34  
10/2/2025Sell12,972$66.23$859,135.56  
10/2/2025Sell64,664$67.69$4,377,106.16  
10/1/2025Sell14,142$66.09$934,644.78  
10/1/2025Sell16,800$65.50$1,100,400.00  
9/30/2025Sell49,800$65.26$3,249,948.00  
9/30/2025Sell14,827$64.68$959,010.36  
9/30/2025Sell57,900$65.24$3,777,396.00  
9/29/2025Sell10,473$64.54$675,927.42  
9/12/2025Sell1,700$64.58$109,786.00  
9/9/2025Sell21,000$64.56$1,355,760.00  
9/5/2025Sell6,000$59.60$357,600.00  
9/3/2025Sell203,814$60.32$12,294,060.48  
9/3/2025Sell33,909$60.62$2,055,563.58  
9/3/2025Sell19,658$60.81$1,195,402.98  
9/3/2025Sell11,200$60.14$673,568.00  
9/3/2025Sell76,850$60.97$4,685,544.50  
9/3/2025Sell3,162$61.02$192,945.24  
9/2/2025Sell20,000$50.91$1,018,200.00  
9/2/2025Sell5,000$49.14$245,700.00  
9/2/2025Sell11,130$49.67$552,827.10  
9/2/2025Sell16,800$55.87$938,616.00  
9/2/2025Sell13,050$54.51$711,355.50  
9/2/2025Sell10,000$50.37$503,700.00  
8/22/2025Sell1,427$42.53$60,690.31  
8/18/2025Sell10,000$43.98$439,800.00  
8/6/2025Sell5,000$41.93$209,650.00  
8/5/2025Sell10,000$42.86$428,600.00  
8/4/2025Sell9,549$42.80$408,697.20  
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7/30/2025Sell2,432$45.00$109,440.00  
7/11/2025Sell1,160$41.74$48,418.40  
(Data available from 1/1/2013 forward)

IONS Insider Trading Activity - Frequently Asked Questions

1.81% of Ionis Pharmaceuticals stock is owned by insiders. Learn more on IONS's insider holdings.

The following insider purchased IONS shares in the last 24 months: Michael R Hayden ($659,000.00).

Insiders have purchased a total of 20,000 IONS shares in the last 24 months for a total of $659,000.00 bought.

The following insiders have sold IONS shares in the last 24 months: Allene M Diaz ($4,415,259.61), B Lynne Parshall ($2,381,500.00), Brett P Monia ($38,632,361.74), Brian Birchler ($3,575,642.69), C Frank Bennett ($18,547,638.87), Elizabeth L Hougen ($21,458,220.10), Eric Swayze ($7,545,729.36), Eugene Schneider ($3,235,353.55), Holly B Kordasiewicz ($4,780,012.92), Joseph H Wender ($7,048,104.00), Joseph Klein III ($600,000.00), Kyle Jenne ($3,334,418.87), Patrick R O'neil ($16,538,795.21), Richard S Geary ($14,293,371.96), Shannon L Devers ($8,854,352.87), and Spencer R Berthelsen ($1,193,280.00).

Insiders have sold a total of 2,262,766 Ionis Pharmaceuticals shares in the last 24 months for a total of $156,434,041.75 sold.



This page (NASDAQ:IONS) was last updated on 6/18/2026 by MarketBeat.com Staff.
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