InsiderCluster

IONS

NasdaqGS

Ionis Pharmaceuticals, Inc.

$52.95
-1.44 (-2.65%)

Price

-2.14% over 1D

Key statistics

Previous close$54.39
Day range52.83 – 54.80
52-week range40.03 – 86.74
Volume2.17M
CurrencyUSD
ExchangeNasdaqGS
Crowd sentiment
75Bullish

Insider activity

SEC EDGAR ↗
Open-mkt buys
0
$0.00
Open-mkt sells
4
$2,638,777.08
Net flow
2.64M
4 open-market trades

Showing 20 recent filings. 16 other (grants, option exercises, gifts, tax withholding) are listed below but excluded from buy/sell flow.

InsiderTypeSharesPriceValueDate
Reikes Peter N
Director
Grant / award3.4K$0.002026-07-15
HANTSON LUDWIG
Director
Grant / award3.4K$0.002026-07-15
HERMAN JOAN E
Director
Option exercise5.22K$0.002026-07-15
HERMAN JOAN E
Director
Option exercise5.22K$0.002026-07-15
BERTHELSEN SPENCER R
Director
Option exercise5.22K$0.002026-07-15
BERTHELSEN SPENCER R
Director
Option exercise5.22K$0.002026-07-15
BENNETT C FRANK
EVP, Chief Scientific Officer
Sell (open market)5.54K$83.58$462,693.342026-07-07
BENNETT C FRANK
EVP, Chief Scientific Officer
Code J15K$0.002026-07-07
BENNETT C FRANK
EVP, Chief Scientific Officer
Sell (open market)15K$85.46$1,281,930.002026-07-07
BENNETT C FRANK
EVP, Chief Scientific Officer
Code J15K$0.002026-07-07
Diaz Allene M.
Director
Option exercise10.11K$47.11$476,329.212026-07-07
Diaz Allene M.
Director
Sell (open market)10.11K$85.42$863,637.132026-07-07
Diaz Allene M.
Director
Option exercise10.11K$0.002026-07-07
Kordasiewicz Holly B.
EVP, Chief Development Officer
Sell (open market)362$84.30$30,516.602026-07-07
YANG MICHAEL J.
Director
Grant / award5.37K$0.002026-07-01
YANG MICHAEL J.
Director
Grant / award2.3K$0.002026-07-01
LOSCALZO JOSEPH
Director
Grant / award5.37K$0.002026-07-01
LOSCALZO JOSEPH
Director
Grant / award2.3K$0.002026-07-01
HERMAN JOAN E
Director
Grant / award5.37K$0.002026-07-01
HERMAN JOAN E
Director
Grant / award2.3K$0.002026-07-01

Source: SEC EDGAR Forms 4/4A (CIK 874015). Click an insider to open the original filing.

Social sentiment

75
Bullish

Volume-weighted across live social sources

StockTwitsLIVE
6 bull752 bear
Recent posts
@Naraid· StockTwits2d ago

$IONS Cathie Wood Just Bet Big on This Biotech Stock | The Motley Fool https://share.google/jgStgeOEggcd5PL0n

@JFais· StockTwits3d ago

Trying to warm up to $IONS on the selloff, but red flag for me is that the CEO seems to dismiss competition from $ARWR's Redemplo at every turn Multiple calls, same theme (focusing on Tryngolza launch, not what others are doing) Respect the emphasis on execution, but still...

@MinimalistKLine· StockTwits4d ago

$IONS The Phase 3 ATTR setback with AZN hit the stock hard, wiping out about $4.63B in market value. But the estimated fair value impact was closer to $3B, creating a gap. ~$5B peak sales potential from owned products ~$1.35B peak royalty revenue Zero net debt At roughly 3x peak sales, the valuation looks interesting if execution continues. The big question: opportunity or value trap? What’s your view on $IONS?

@trader_q· StockTwits4d ago

$IONS they’re really suppressing this stock and just won’t let it up.

@trader_q· StockTwits4d ago

$IONS green incoming. Gl all.

@joemist1· StockTwits4d ago

$IONS Hey batted, I just loaded up. Now make me rich.

@BiodegradableBurger· StockTwits4d ago

$IONS Wtf man… just non-stop selling everyday.

@MarcoPolo1111· StockTwits4d ago

$IONS in

@trader_q· StockTwits5d ago

$IONS big bounce tomorrow. Gl all.

@Nosh· StockTwits5d ago

$IONS Wow...watching.

@trader_q· StockTwits5d ago

$IONS Cathie Wood’s ARK Invest acquired 66,277 shares of Ionis Pharmaceuticals (IONS) through the ARK Genomic Revolution ETF (ARKG) in July 2026, marking a fresh round of buying in the biotechnology stock as part of a broader reshuffle of healthcare and tech portfolios.The recent acquisition by Wood's ARK Invest totaled about $3.86 million, bringing fresh capital to Ionis alongside investments in other biotech innovators like Prime Medicine and Beam Therapeutics. Prior to this, her funds also reported picking up $8.8 million of IONS in an earlier July reshuffle.

@BiodegradableBurger· StockTwits5d ago

$IONS Manifesting the bounce. Chip in guys.

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