KREMPA DAVID

PrivateCIK: 1968254
Location

DEER PARK, IL

KREMPA DAVID (Chief Business Officer) sold 79.8% of their position (100K shares) of ETON PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $3.23M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 5 sales
InsiderKREMPA DAVIDCIK 1968254
Officer· Chief Business Officer
Since Mar 2023
-100K
Net shares
Net seller
$3.23M
Total sold
5
Open market trades
0B · 5S
15
Total transactions
87.79K acquired · 187.79K disposed
Non-Derivative Transactions10

Common Stock

Direct
M · Option Exercise

Shares

+30.59K

Price / share

$3.58

Trade value

$109.52K

% of position

81.7%
5/22/2026
37.45K68.05K

Common Stock

Direct
S · Sale

Shares

32.96K

Price / share

$33.22

Trade value

$1.10M

% of position

48.4%
5/22/2026
68.05K35.08K

Common Stock

Direct
S · Sale

Shares

9.31K

Price / share

$33.88

Trade value

$315.59K

% of position

26.6%
5/22/2026
35.08K25.77K

Common Stock

Direct
S · Sale

Shares

519.00

Price / share

$35.00

Trade value

$18.16K

% of position

2.0%
5/22/2026
25.77K25.25K

Common Stock

Direct
M · Option Exercise

Shares

+25K

Price / share

$1.38

Trade value

$34.50K

% of position

99.0%
5/26/2026
25.25K50.25K

Common Stock

Direct
M · Option Exercise

Shares

+12.52K

Price / share

$1.37

Trade value

$17.16K

% of position

24.9%
5/26/2026
50.25K62.77K

Common Stock

Direct
S · Sale

Shares

37.52K

Price / share

$31.49

Trade value

$1.18M

% of position

59.8%
5/26/2026
62.77K25.25K

Common Stock

Direct
M · Option Exercise

Shares

+12.48K

Price / share

$1.37

Trade value

$17.09K

% of position

49.4%
5/27/2026
25.25K37.73K

Common Stock

Direct
M · Option Exercise

Shares

+7.20K

Price / share

$3.58

Trade value

$25.79K

% of position

19.1%
5/27/2026
37.73K44.93K

Common Stock

Direct
S · Sale

Shares

19.68K

Price / share

$31.47

Trade value

$619.37K

% of position

43.8%
5/27/2026
44.93K25.25K
Total

Net shares

12.21K

Net value

-$3.03M

Derivative Transactions5

Employee Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

30.59K shares

Shares

30.59K

Strike price

3.58

Held after

125.61K

Exercisable

5/22/2026

Employee Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

25K shares

Shares

25K

Strike price

1.38

Held after

0.00

Exercisable

5/26/2026

Employee Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

12.52K shares

Shares

12.52K

Strike price

1.37

Held after

12.48K

Exercisable

5/26/2026

Employee Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

12.48K shares

Shares

12.48K

Strike price

1.37

Held after

0.00

Exercisable

5/27/2026

Employee Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

7.20K shares

Shares

7.20K

Strike price

3.58

Held after

118.41K

Exercisable

5/27/2026
KREMPA DAVID — Insider Transaction (Form 4) Filed May 27, 2026 | Finecho