KORDASIEWICZ HOLLY B.

PrivateCIK: 2102721

KORDASIEWICZ HOLLY B. (EVP, Chief Development Officer) sold 73.0% of their position (60.85K shares) of IONIS PHARMACEUTICALS INC on the open market

Open‑market sale worth $4.47M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderKORDASIEWICZ HOLLY B.CIK 2102721
Officer· EVP, Chief Development Officer
Since Dec 2025
-60.85K
Net shares
Net seller
$4.47M
Total sold
2
Open market trades
0B · 2S
10
Total transactions
60.85K acquired · 121.69K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+7.95K

Price / share

$60.89

Trade value

$484.14K

% of position

35.4%
6/12/2026
22.46K30.41K

Common Stock

Direct
M · Option Exercise

Shares

+21K

Price / share

$60.89

Trade value

$1.28M

% of position

69.1%
6/12/2026
30.41K51.41K

Common Stock

Direct
M · Option Exercise

Shares

+12K

Price / share

$32.60

Trade value

$391.20K

% of position

23.3%
6/12/2026
51.41K63.41K

Common Stock

Direct
M · Option Exercise

Shares

+19.89K

Price / share

$56.78

Trade value

$1.13M

% of position

31.4%
6/12/2026
63.41K83.30K

Common Stock

Direct
S · Sale

Shares

41K

Price / share

$73.09

Trade value

$3M

% of position

49.2%
6/12/2026
83.30K42.30K

Common Stock

Direct
S · Sale

Shares

19.84K

Price / share

$74.05

Trade value

$1.47M

% of position

46.9%
6/12/2026
42.30K22.46K
Total

Net shares

+0.00

Net value

-$1.18M

Derivative Transactions4

Non-Qualified Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

12K shares

Shares

12K

Strike price

32.6

Held after

0.00

Exercisable

6/12/2026

Non-Qualified Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

19.89K shares

Shares

19.89K

Strike price

56.78

Held after

0.00

Exercisable

6/12/2026

Non-Qualified Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

7.95K shares

Shares

7.95K

Strike price

60.89

Held after

21K

Exercisable

6/12/2026

Non-Qualified Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

21K shares

Shares

21K

Strike price

60.89

Held after

0.00

Exercisable

6/12/2026
KORDASIEWICZ HOLLY B. — Insider Transaction (Form 4) Filed Jun 16, 2026 | Finecho