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Insider · CIK 0002102721

Holly B. Kordasiewicz

officer

Files at IONS (IONIS PHARMACEUTICALS INC). First filing Jan 20, 2026, latest Jun 16, 2026.

Holly B. Kordasiewicz files SEC Form 4 as officer at IONS (IONIS PHARMACEUTICALS INC). Since Jan 20, 2026, Holly B. Kordasiewicz has reported 0 open-market buys worth $0 and 2 open-market sells worth $4.8M, the latest filed on Jun 16, 2026.

A track record needs three past buys with six months of prices behind them; Holly B. Kordasiewicz has 0, so none is measured yet.

The newest scored trade: sold $4.5M of IONS on Jun 12, 2026, filed Jun 16, 2026, scored 40 (moderate), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 2 sells worth $4.8M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $4.8M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

IONS: IONIS PHARMACEUTICALS INC

IONSOct 9, 2026 · close 45.28

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
40Moderate
IONSsell 710b5-1
IONIS PHARMACEUTICALS INC
$4.5M
60,846 shares
-73%+108% from low-15% from high
34Weak
IONSsell 11
IONIS PHARMACEUTICALS INC
$313k
4,141 shares
-22%+199% from low-8% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Jun 12, 2026 IONS
IONIS PHARMACEUTICALS INC
60,846
0.04% of outstanding
$4.5MJun 12, 2026none
Jan 16, 2026 IONS
IONIS PHARMACEUTICALS INC
4,141
0.00% of outstanding
$315kJan 16, 2025none

Transactions

Every row this insider has filed, 17 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Common Stock10b5-1
+7,951$60.89$484k30,409Jun 16, 2026
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Common Stock10b5-1
+21,000$60.89$1.3M51,409Jun 16, 2026
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Common Stock10b5-1
+12,000$32.60$391k63,409Jun 16, 2026
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Common Stock10b5-1
+19,895$56.78$1.1M83,304Jun 16, 2026
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
SOpen-market sale
Common Stock10b5-1
-41,004$73.09$3.0M42,300Jun 16, 2026
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
SOpen-market sale
Common Stock10b5-1
-19,842$74.05$1.5M22,458Jun 16, 2026
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-12,000$0.00$00Jun 16, 2026
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-19,895$0.00$00Jun 16, 2026
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-7,951$0.00$021,000Jun 16, 2026
Jun 12, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-21,000$0.00$00Jun 16, 2026
Jan 15, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Common Stock
+11,119$0.00$018,859Jan 20, 2026
Jan 2, 2026IONS
IONIS PHARMACEUTICALS INC
AGrant or award
Non-Qualified Stock Option (right to buy)derivative
+7,500$0.00$016,600Jan 20, 2026
Jan 16, 2026IONS
IONIS PHARMACEUTICALS INC
SOpen-market sale
Common Stock
-4,141$75.66$313k14,718Jan 20, 2026
Jan 15, 2026IONS
IONIS PHARMACEUTICALS INC
MOption exercise
Restricted Stock Unitderivative
-11,119$0.00$020,830Jan 20, 2026
Jan 15, 2026IONS
IONIS PHARMACEUTICALS INC
AGrant or award
Restricted Stock Unitderivative
+13,650$0.00$034,480Jan 20, 2026
Jan 15, 2026IONS
IONIS PHARMACEUTICALS INC
AGrant or award
Restricted Stock Unitderivative
+11,250$0.00$045,730Jan 20, 2026
Jan 2, 2026IONS
IONIS PHARMACEUTICALS INC
AGrant or award
Non-Qualified Stock Option (right to buy)derivative
+9,100$0.00$09,100Jan 6, 2026

Questions about Holly B. Kordasiewicz

Answered from the filings on this page, as of the latest one.

Is Holly B. Kordasiewicz buying or selling?

In the last 12 months Holly B. Kordasiewicz reported 0 open-market buys worth $0 and 2 open-market sells worth $4.8M on SEC Form 4; the latest was sold $4.5M of IONS on Jun 12, 2026. Grants, option exercises and tax withholding are not counted.

How did Holly B. Kordasiewicz's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Holly B. Kordasiewicz has 0.

Where does Holly B. Kordasiewicz file Form 4?

Holly B. Kordasiewicz has filed Form 4 at IONS (IONIS PHARMACEUTICALS INC) as EVP, Chief Development Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Holly B. Kordasiewicz: insider trades and track record | InsiderTell