ONCO

Onconetix, Inc.

Company with tickers: ONCO

CIK

1782107

CUSIP

68237Q203

Shares Outstanding

1,146,457

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2026-04-21	HRT FINANCIAL LP	10% Owner	Sell	49,710	$0.69	$34,300	33,649
2026-04-20	HRT FINANCIAL LP	10% Owner	Sell	94,462	$0.75	$70,847	83,359
2026-04-17	HRT FINANCIAL LP	10% Owner	Buy	34,636	$0.73	$25,284	177,821
2026-04-16	HRT FINANCIAL LP	10% Owner	Sell	53,867	$0.73	$39,323	143,185
2026-04-15	HRT FINANCIAL LP	10% Owner	Buy	92,554	$0.76	$70,341	197,052
2026-04-14	HRT FINANCIAL LP	10% Owner	Buy	74,350	$0.77	$57,250	104,498
2026-04-14	HRT FINANCIAL LP	10% Owner	Other	104,498	—	—	104,498
2026-03-19	DORF SAMMY	Director	Other	0	—	—	0
2026-03-18	White David Allan	Chief Executive Officer	Other	0	—	—	0
2025-12-05	Romano Sarah	Chief Financial Officer	Other	0	—	—	0
2025-08-15	Oakley Andrew John	Director	Other	20	—	—	20
2025-08-15	Ramdeen Timothy R.	Director	Other	39	—	—	40
2025-08-15	Meier Thomas	Director	Other	39	—	—	39
2025-08-15	Ramdeen Timothy R.	Director	Award	618	—	—	658
2025-08-15	Tarsh Simon	Director	Award	618	—	—	658
2025-08-15	Oakley Andrew John	Director	Award	618	—	—	638
2025-08-15	Meier Thomas	Director	Award	618	—	—	657
2025-08-15	Tarsh Simon	Director	Other	39	—	—	40
2025-07-14	Altos Venture AG	10% Owner	Other	241,514	—	—	0
2025-07-14	Altos Venture AG	10% Owner	Other	241,514	—	—	273,230
2025-03-23	Oakley Andrew John	Director	Award	1,709	—	—	1,709
2025-02-24	Oakley Andrew John	Director	Other	0	—	—	0
2024-12-20	Schiess Ralph	Interim CEO, CSO	Award	177,462	—	—	673,365
2024-12-20	Bruhlmann Christian	Chief Strategy Officer	Award	177,462	—	—	611,372
2024-09-26	Ramdeen Timothy R.	Director	Award	3,318	—	—	3,477
2024-09-26	SAPIRSTEIN JAMES	Director	Award	3,318	—	—	3,477
2024-09-26	SINGH AJIT	Director	Award	3,318	—	—	3,396
2024-09-26	Tarsh Simon	Director	Award	3,318	—	—	3,477
2024-09-26	Meier Thomas	Director	Award	3,318	—	—	3,318
2024-09-24	Altos Venture AG	10% Owner	Other	2,695,931	—	—	2,695,931
2024-09-24	Schiess Ralph	Interim CEO, CSO	Award	489,160	—	—	495,903
2024-09-24	Bruhlmann Christian	Chief Strategy Officer	Award	428,010	—	—	433,910
2024-06-10	FEDASZ KARINA M	Interim CFO	Other	0	—	—	0
2024-02-16	SINGH AJIT	Director	Award	3,125	—	—	3,125
2024-02-08	SINGH AJIT	Director	Other	0	—	—	0
2024-02-06	Meier Thomas	Director	Other	0	—	—	0
2023-12-15	Schiess Ralph	Interim CEO, CSO	Other	269,749	—	—	269,749
2023-12-15	Bruhlmann Christian	Chief Strategy Officer	Other	236,029	—	—	236,029
2023-10-04	CAMPBELL NEIL J	Director, Chief Executive Officer	Other	0	—	—	0
2023-10-04	Harmon Bruce	Chief Financial Officer	Other	0	—	—	0
2023-05-31	Ramdeen Timothy R.	Director	Award	6,360	—	—	6,360
2023-05-31	Tarsh Simon	Director	Award	6,360	—	—	6,360
2023-05-31	SAPIRSTEIN JAMES	Director	Award	6,360	—	—	6,360
2023-05-31	Jeremic Vuk	Director	Award	6,360	—	—	6,360
2023-05-09	Garfield Jon	Chief Financial Officer	Award	100,000	—	—	100,000
2023-05-09	Hernandez Joseph	Director, Chief Executive Officer, 10% Owner	Award	150,000	—	—	2,800,351
2023-05-09	Henderson Erin	Chief Business Officer	Award	150,000	—	—	174,752
2023-04-10	Cincinnati Cornerstone Investors BWV I, LLC	10% Owner	Other	1,200,000	—	—	1,161,201
2023-01-26	Ramdeen Timothy R.	Director	Award	2,386	—	—	2,386
2023-01-13	Ramdeen Timothy R.	Director	Other	0	—	—	0

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