Insider · CIK 0001968254

Krempa David

Reports to the SEC for 1 company · DEERPARK, IL

sec.gov

Transactions

Companies

Filings

CIK

0001968254

Forms 4 and 5

Insider transactions

37 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-10-06	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−4,166 sh	$55.07	−$229K	43,381
2026-10-02	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Chief Business Officer	MExercise/Conversion	+10.5K sh	—	—	47,547
2026-10-02	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Business Officer	MExercise/Conversion	−10.5K sh	—	—	21,044
2026-08-24	ETONEton Pharmaceuticals, Inc. · Employee Stock OptionM Exercise/Conversion	Chief Business Officer	MExercise/Conversion	−25K sh	—	—	70,000
2026-08-24	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Chief Business Officer	MExercise/Conversion	+25K sh	$7.31	+$183K	62,025
2026-08-24	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−25K sh	$65.07	−$1.63M	37,025
2026-07-31	ETONEton Pharmaceuticals, Inc. · Common StockA Award	Chief Business Officer	AAward	+129K sh	—	—	128,985
2026-07-12	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Chief Business Officer	MExercise/Conversion	+10K sh	—	—	37,025
2026-07-12	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Business Officer	MExercise/Conversion	−10K sh	—	—	0
2026-06-26	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsA Award	Chief Business Officer	AAward	+10K sh	—	—	96,829
2026-05-27	ETONEton Pharmaceuticals, Inc. · Employee Stock OptionM Exercise/Conversion	Chief Business Officer	MExercise/Conversion	−7,203 sh	—	—	118,406
2026-05-27	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Chief Business Officer	MExercise/Conversion	+12.5K sh	$1.37	+$17.1K	37,725
2026-05-27	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Chief Business Officer	MExercise/Conversion	+7,203 sh	$3.58	+$25.8K	44,928
2026-05-27	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−19.7K sh	$31.47	−$619K	25,249
2026-05-27	ETONEton Pharmaceuticals, Inc. · Employee Stock OptionM Exercise/Conversion	Chief Business Officer	MExercise/Conversion	−12.5K sh	—	—	0
2026-05-26	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Chief Business Officer	MExercise/Conversion	+25K sh	$1.38	+$34.5K	50,249
2026-05-26	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−37.5K sh	$31.49	−$1.18M	25,249
2026-05-26	ETONEton Pharmaceuticals, Inc. · Employee Stock OptionM Exercise/Conversion	Chief Business Officer	MExercise/Conversion	−25K sh	—	—	0
2026-05-26	ETONEton Pharmaceuticals, Inc. · Employee Stock OptionM Exercise/Conversion	Chief Business Officer	MExercise/Conversion	−12.5K sh	—	—	12,476
2026-05-26	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Chief Business Officer	MExercise/Conversion	+12.5K sh	$1.37	+$17.2K	62,773
2026-05-22	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Chief Business Officer	MExercise/Conversion	+30.6K sh	$3.58	+$110K	68,046
2026-05-22	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−9,315 sh	$33.88	−$316K	25,768
2026-05-22	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−519 sh	$35.00	−$18.2K	25,249
2026-05-22	ETONEton Pharmaceuticals, Inc. · Employee Stock OptionM Exercise/Conversion	Chief Business Officer	MExercise/Conversion	−30.6K sh	—	—	125,609
2026-05-22	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−33K sh	$33.22	−$1.1M	35,083
2026-01-14	ETONEton Pharmaceuticals, Inc.F Tax Payment	Chief Business Officer	FTax Payment	−1,942 sh	$15.62	−$30.3K	630,238
2026-01-12	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsA Award	Chief Business Officer	AAward	+25.9K sh	—	—	696,749
2026-01-12	ETONEton Pharmaceuticals, Inc. · Employee Stock Option (Right to Buy)A Award	Chief Business Officer	AAward	+40.7K sh	—	—	670,893
2025-12-12	ETONEton Pharmaceuticals, Inc.F Tax Payment	Chief Business Officer	FTax Payment	−6,264 sh	$17.00	−$106K	632,180
2025-12-11	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsA Award	Chief Business Officer	AAward	+5,300 sh	—	—	638,468
2025-06-16	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−10.2K sh	$14.73	−$151K	612,646
2025-06-13	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−6,800 sh	$14.77	−$100K	622,869
2025-06-12	ETONEton Pharmaceuticals, Inc.S Sale	Chief Business Officer	SSale	−17K sh	$14.92	−$253K	629,669
2025-01-03	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsA Award	Chief Business Officer	AAward	+25.9K sh	—	—	25,876
2025-01-03	ETONEton Pharmaceuticals, Inc. · Employee Stock Option (Right to Buy)A Award	Chief Business Officer	AAward	+38.6K sh	—	—	38,621
2024-10-02	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsA Award	Chief Business Officer	AAward	+42.1K sh	—	—	861,374
2024-02-13	ETONEton Pharmaceuticals, Inc. · Stock Option (Right to buy)A Award	Chief Business Officer	AAward	+145K sh	—	—	813,430

Recent filings

Accepted (ET)
Oct 64
Krempa David0001437749-26-032240
SEC(opens sec.gov)
Aug 244
Krempa David0001437749-26-028846
SEC(opens sec.gov)
Aug 44
Krempa David0001437749-26-025706
SEC(opens sec.gov)
Jul 134
Krempa David0001437749-26-023440
SEC(opens sec.gov)
Jun 304
Krempa David0001437749-26-022154
SEC(opens sec.gov)
May 274
Krempa David0001437749-26-018628
SEC(opens sec.gov)

Companies

Eton Pharmaceuticals, Inc.Chief Business OfficerETON

Address

C/O ETON PHARMACEUTICALS, INC. 21925 W. FIELD PARKWAY, SUITE 235

DEERPARK, IL, 60010-7208