Insider · CIK 0001669976

BRYNJELSEN SEAN

Reports to the SEC for 2 companies · DEERPARK, IL

sec.gov

Transactions

Companies

Filings

CIK

0001669976

Forms 4 and 5

Insider transactions

42 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-20	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−7,342 sh	$62.12	−$456K	961,194
2026-08-20	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−36.4K sh	$61.11	−$2.22M	968,536
2026-08-20	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−47.3K sh	$60.17	−$2.85M	1,004,909
2026-08-19	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−8,978 sh	$62.65	−$562K	1,052,216
2026-07-31	ETONEton Pharmaceuticals, Inc. · Common StockA Award	Director, President & CEO	AAward	+129K sh	—	—	128,985
2026-07-14	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Director, President & CEO	MExercise/Conversion	+200K sh	$1.37	+$274K	1,061,194
2026-07-14	ETONEton Pharmaceuticals, Inc. · Employee Stock OptionM Exercise/Conversion	Director, President & CEO	MExercise/Conversion	+200K sh	—	—	0
2026-07-12	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, President & CEO	MExercise/Conversion	−27.5K sh	—	—	0
2026-07-12	ETONEton Pharmaceuticals, Inc.M Exercise/Conversion	Director, President & CEO	MExercise/Conversion	+27.5K sh	—	—	861,194
2026-05-28	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−148 sh	$32.67	−$4,835.16	833,694
2026-05-28	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−120K sh	$31.88	−$3.82M	833,842
2026-01-12	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsA Award	Director, President & CEO	AAward	+101K sh	—	—	3,147,829
2026-01-12	ETONEton Pharmaceuticals, Inc. · Employee Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+158K sh	—	—	3,047,312
2026-01-01	ETONEton Pharmaceuticals, Inc.F Tax Payment	Director, President & CEO	FTax Payment	−5,015 sh	$15.39	−$77.2K	2,889,266
2025-12-12	ETONEton Pharmaceuticals, Inc.F Tax Payment	Director, President & CEO	FTax Payment	−6,732 sh	$16.83	−$113K	2,894,281
2025-06-05	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−70K sh	$16.81	−$1.18M	2,873,513
2025-06-04	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−70K sh	$17.00	−$1.19M	2,943,513
2025-06-03	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−400 sh	$19.02	−$7,608	3,013,513
2025-06-03	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−8,655 sh	$18.38	−$159K	3,013,913
2025-06-03	ETONEton Pharmaceuticals, Inc.S Sale	Director, President & CEO	SSale	−60.9K sh	$17.38	−$1.06M	3,022,568
2025-01-03	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsA Award	Director, President & CEO	AAward	+72K sh	—	—	72,004
2025-01-03	ETONEton Pharmaceuticals, Inc. · Employee Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+107K sh	—	—	107,469
2024-02-13	ETONEton Pharmaceuticals, Inc. · Stock Option (Right to buy)A Award	Director, President & CEO	AAward	+439K sh	—	—	2,473,014
2023-03-03	ETONEton Pharmaceuticals, Inc. · Stock Option (Right to buy)A Award	Director, President & CEO	AAward	+350K sh	—	—	1,951,881
2022-09-22	ETONEton Pharmaceuticals, Inc.P Purchase	Director, President & CEO	PPurchase	+10K sh	$2.10	+$21K	1,040,000
2022-07-12	ETONEton Pharmaceuticals, Inc. · Restricted Stock UnitsA Award	Director, President & CEO	AAward	+110K sh	—	—	110,000
2022-02-07	ETONEton Pharmaceuticals, Inc. · Stock Option(Right to buy)A Award	Director, President & CEO	AAward	+417K sh	—	—	1,601,500
2021-08-20	ETONEton Pharmaceuticals, Inc.P Purchase	Director, President & CEO	PPurchase	+10K sh	$4.32	+$43.2K	1,030,000
2021-06-03	ETONEton Pharmaceuticals, Inc.P Purchase	Director, President & CEO	PPurchase	+5,000 sh	$5.96	+$29.8K	1,030,000
2021-05-03	ETONEton Pharmaceuticals, Inc. · Stock Option(Right to buy)A Award	Director, President & CEO	AAward	+245K sh	—	—	1,185,000
2020-03-12	ETONEton Pharmaceuticals, Inc. · Stock Option (Right to buy)A Award	Director, President & CEO	AAward	+490K sh	—	—	490,000
2019-08-13	ETONEton Pharmaceuticals, Inc.P Purchase	Director, President & CEO	PPurchase	+5,000 sh	$6.15	+$30.8K	1,025,000
2019-05-21	ETONEton Pharmaceuticals, Inc.P Purchase	Director, President & CEO	PPurchase	+8,600 sh	$7.96	+$68.4K	1,020,000
2019-05-20	ETONEton Pharmaceuticals, Inc.P Purchase	Director, President & CEO	PPurchase	+1,400 sh	$7.78	+$10.9K	1,011,400
2019-02-20	ETONEton Pharmaceuticals, Inc. · Stock option (right to buy)A Award	Director, President & CEO	AAward	+250K sh	—	—	250,000
2018-11-15	ETONEton Pharmaceuticals, Inc. · Series A Convertible Preferred StockC Conversion	Director, President & CEO	CConversion	−23K sh	—	—	0
2018-11-15	ETONEton Pharmaceuticals, Inc.C Conversion	Director, President & CEO	CConversion	+24.9K sh	—	—	24,940
2018-11-15	ETONEton Pharmaceuticals, Inc.P Purchase	Director, President & CEO	PPurchase	+10K sh	$6.00	+$60K	1,010,000
2016-08-29	Sagent Pharmaceuticals, Inc.D Disposition to Issuer	EVP, Business Development	DDisposition to Issuer	−9,844 sh	$21.75	−$214K	0
2016-08-29	Sagent Pharmaceuticals, Inc.Stock Option to BuyD Disposition to Issuer	EVP, Business Development	DDisposition to Issuer	−21K sh	$9.56	−$201K	0
2016-04-04	Sagent Pharmaceuticals, Inc.A Award	EVP, Business Development	AAward	+9,844 sh	—	—	9,844
2016-04-04	Sagent Pharmaceuticals, Inc.Stock Option to BuyA Award	EVP, Business Development	AAward	+21K sh	—	—	21,016

Recent filings

Accepted (ET)
Aug 204
BRYNJELSEN SEAN0001437749-26-028651
SEC(opens sec.gov)
Aug 44
BRYNJELSEN SEAN0001437749-26-025709
SEC(opens sec.gov)
Jul 144
BRYNJELSEN SEAN0001437749-26-023570
SEC(opens sec.gov)
May 294
BRYNJELSEN SEAN0001437749-26-018879
SEC(opens sec.gov)
Jan 144
BRYNJELSEN SEAN0001437749-26-001290
SEC(opens sec.gov)
Dec 124
BRYNJELSEN SEAN0001437749-25-037741
SEC(opens sec.gov)
Jun 54
BRYNJELSEN SEAN0001437749-25-019583
SEC(opens sec.gov)

Companies

Address

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

DEERPARK, IL, 60010-7208