David Krempa

ETON

David Krempa serves as officer: Chief Business Officer at Eton Pharmaceuticals, Inc. (ETON). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$3.87M

Net Position

Net Seller

$3.87M

Companies Traded

ETON

Active Period

Jun 2025 – May 2026

4 total trades

Most Recent

Sell ETON

May 27, 2026 · $3.23M

David Krempa's Insider Trading at Eton Pharmaceuticals, Inc. (ETON)

Buys

0 · $0.00

Sells

4 · $3.87M

Total Shares Bought

Total Shares Sold

142,206

ETON Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
May 27, 2026	Sell	100,000	$32.30	$3.23M	35,083
Jan 12, 2026	Sell	1,942	$15.62	$30.3K	0
Dec 11, 2025	Sell	6,264	$17.00	$106.5K	0
Jun 12, 2025	Sell	34,000	$14.83	$504.3K	0

Related Insiders

Opaleye Management Inc.

10 percent owner

ETONSell · Jul 7, 2026

Jennifer McKie Adams

director

ETONSell · Jun 17, 2026

BRYNJELSEN SEAN

President & CEO

ETONSell · May 29, 2026

RIEDEL NORBERT G

Director

ETONSell · Feb 3, 2026

James R. Gruber

Chief Financial Officer

ETONSell · Jan 12, 2026

Ipek Erdogan-Trinkaus

Chief Commercial Officer

ETONSell · Dec 11, 2025

Explore More Insider Trading Data

ETON Insider Trading Activity

View all insider trades at Eton Pharmaceuticals, Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity