Stocks
APTOF Aptose Biosciences Inc.

APTOF

Aptose Biosciences Inc.

Company with tickers: APTOF

CIK

882361

CUSIP

03835T408

Shares Outstanding

2,552,429

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2025-03-18	Hanmi Pharmaceutical Co., Ltd.	10% Owner	Other	508,710	—	—	508,710
2025-03-18	Hanmi Pharmaceutical Co., Ltd.	10% Owner	Other	0	—	—	0
2024-11-25	Rice William G.	Director, Chair, President & CEO	Buy	100,000	$0.20	$20,000	613,252
2024-11-25	Rice William G.	Director, Chair, President & CEO	Buy	50,000	—	—	50,000
2024-02-23	LEDRU PHILIPPE	Insider	Other	0	—	—	0
2024-02-05	Payne Fletcher	Sr VP and CFO	Award	55,000	—	—	55,000
2024-02-05	Bejar Rafael	Sr VP & Chief Medical Officer	Award	35,000	—	—	35,000
2024-02-05	LEDRU PHILIPPE	Insider	Award	11,000	—	—	11,000
2024-02-05	Rice William G.	Director, Chair, President & CEO	Award	70,000	—	—	70,000
2024-02-05	Seizinger Bernd R.	Director	Award	3,333	—	—	3,333
2024-02-05	PLATZER ERICH	Director	Award	3,333	—	—	3,333
2024-02-05	Vincent Mark D.	Director	Award	3,333	—	—	3,333
2024-02-05	Ashe Carol Gail	Director	Award	3,333	—	—	3,333
2024-02-05	BURGER DENIS R	Director	Award	3,333	—	—	3,333
2024-02-05	Whitehead Warren	Director	Award	3,333	—	—	3,333
2023-09-22	Seizinger Bernd R.	Director	Buy	17,000	$3.14	$53,380	17,000
2023-01-19	Whitehead Warren	Director	Award	100,000	—	—	100,000
2023-01-19	Vincent Mark D.	Director	Award	100,000	—	—	100,000
2023-01-19	Seizinger Bernd R.	Director	Award	100,000	—	—	100,000
2023-01-19	Rice William G.	Director, Chair, President & CEO	Award	150,000	—	—	513,252
2023-01-19	Rice William G.	Director, Chair, President & CEO	Award	400,000	—	—	400,000
2023-01-19	Payne Fletcher	Sr VP and CFO	Award	200,000	—	—	200,000
2023-01-19	Payne Fletcher	Sr VP and CFO	Other	10,000	—	—	10,000
2023-01-19	Payne Fletcher	Sr VP and CFO	Award	100,000	—	—	100,000
2023-01-19	BURGER DENIS R	Director	Award	100,000	—	—	100,000
2023-01-19	Bejar Rafael	Sr VP & Chief Medical Officer	Award	100,000	—	—	110,000
2023-01-19	Bejar Rafael	Sr VP & Chief Medical Officer	Award	200,000	—	—	200,000
2023-01-19	PLATZER ERICH	Director	Award	100,000	—	—	100,000
2023-01-19	LEDRU PHILIPPE	Insider	Award	100,000	—	—	100,500
2023-01-19	LEDRU PHILIPPE	Insider	Award	200,000	—	—	200,000
2023-01-19	Ashe Carol Gail	Director	Award	100,000	—	—	100,000
2022-09-19	Payne Fletcher	Sr VP and CFO	Buy	10,000	$0.68	$6,775	10,000
2022-09-19	Rice William G.	Director, Chair, President & CEO	Buy	10,000	$0.68	$6,834	363,252
2022-09-14	Seizinger Bernd R.	Director	Award	50,000	—	—	50,000
2022-09-13	Seizinger Bernd R.	Director	Other	0	—	—	0
2022-07-06	Rice William G.	Director, Chair, President & CEO	Award	600,000	—	—	600,000
2022-06-27	Payne Fletcher	Sr VP and CFO	Award	1,000,000	—	—	1,000,000
2022-06-27	Payne Fletcher	Sr VP and CFO	Other	0	—	—	0
2022-06-06	Rice William G.	Director, Chair, President & CEO	Buy	10,000	$0.97	$9,681	353,252
2022-05-31	Loewy Caroline M	Insider	Other	0	—	—	0
2022-04-13	LEDRU PHILIPPE	Insider	Award	600,000	—	—	600,000
2022-04-07	LEDRU PHILIPPE	Insider	Other	500	—	—	500
2022-01-18	Ashe Carol Gail	Director	Award	50,000	—	—	50,000
2022-01-18	Bejar Rafael	Sr VP & Chief Medical Officer	Award	600,000	—	—	600,000
2022-01-18	Loewy Caroline M	Insider	Award	50,000	—	—	50,000
2022-01-18	PLATZER ERICH	Director	Award	50,000	—	—	50,000
2022-01-18	Rice William G.	Director, Chair, President & CEO	Award	700,000	—	—	700,000
2022-01-18	Marango Jotin	Senior VP, CFO, and CBO	Award	600,000	—	—	600,000
2022-01-18	Vincent Mark D.	Director	Award	50,000	—	—	50,000
2022-01-18	BURGER DENIS R	Director	Award	50,000	—	—	50,000
2022-01-18	Whitehead Warren	Director	Award	50,000	—	—	50,000
2021-12-20	BURGER DENIS R	Director	Buy	10,000	$1.45	$14,490	31,671
2021-12-16	PLATZER ERICH	Director	Buy	50,000	$1.37	$68,500	455,000
2021-12-16	Rice William G.	Director, Chair, President & CEO	Buy	13,183	$1.52	$20,038	343,252
2021-12-15	PLATZER ERICH	Director	Buy	120,000	$1.16	$139,080	255,000
2021-12-15	Rice William G.	Director, Chair, President & CEO	Buy	17,822	$1.12	$19,961	330,069
2021-11-26	Rice William G.	Director, Chair, President & CEO	Buy	8,643	$2.31	$19,965	312,247
2021-11-19	BURGER DENIS R	Director	Other	5,714	—	—	0
2021-11-19	BURGER DENIS R	Director	Convert	5,417	$2.04	$11,051	21,671
2021-11-19	Bejar Rafael	Sr VP & Chief Medical Officer	Buy	10,000	$2.56	$25,600	10,000
2021-08-19	Marango Jotin	Senior VP, CFO, and CBO	Award	200,000	—	—	200,000
2021-08-19	Bejar Rafael	Sr VP & Chief Medical Officer	Award	200,000	—	—	200,000
2021-08-05	Wilson Donald R. Jr.	10% Owner	Sell	60,000	$2.62	$157,200	8,888,275
2021-08-03	Wilson Donald R. Jr.	10% Owner	Other	4,162	—	—	4,162
2021-08-03	Wilson Donald R. Jr.	10% Owner	Buy	57,199	$2.65	$151,406	8,948,275
2021-08-03	Wilson Donald R. Jr.	10% Owner	Other	4,162	—	—	4,162
2021-07-02	Rice William G.	Director, Chair, President & CEO	Buy	6,081	$3.29	$19,998	303,604
2021-06-22	Whitehead Warren	Director	Sell	9,600	$3.24	$31,104	15,000
2021-06-21	Whitehead Warren	Director	Sell	15,400	$3.35	$51,590	24,600
2021-01-04	PLATZER ERICH	Director	Award	50,000	—	—	50,000
2021-01-04	Marango Jotin	Senior VP, CFO, and CBO	Award	343,000	—	—	343,000
2021-01-04	Chow Gregory K.	Executive VP & CFO	Award	343,000	—	—	343,000
2021-01-04	BURGER DENIS R	Director	Award	50,000	—	—	50,000
2021-01-04	Whitehead Warren	Director	Award	50,000	—	—	50,000
2021-01-04	Vincent Mark D.	Director	Award	50,000	—	—	50,000
2021-01-04	Rice William G.	Director, Chair, President & CEO	Award	343,000	—	—	343,000
2021-01-04	Loewy Caroline M	Insider	Award	50,000	—	—	50,000
2021-01-04	Bejar Rafael	Sr VP & Chief Medical Officer	Award	343,000	—	—	343,000
2021-01-04	Ashe Carol Gail	Director	Award	50,000	—	—	50,000
2020-12-22	Whitehead Warren	Director	Convert	20,000	—	—	20,000
2020-12-22	Whitehead Warren	Director	Sell	10,000	$4.01	$40,100	50,000
2020-12-22	Whitehead Warren	Director	Convert	20,000	$2.01	$40,200	60,000
2020-07-10	Chow Gregory K.	Executive VP & CFO	Sell	126,668	$6.05	$766,341	232,846
2020-07-10	Rice William G.	Director, Chair, President & CEO	Sell	168,891	$6.05	$1,021,791	297,523
2020-07-10	Marango Jotin	Senior VP, CFO, and CBO	Sell	62,835	$6.05	$380,152	116,219
2020-07-02	Marango Jotin	Senior VP, CFO, and CBO	Sell	20,946	$6.34	$132,793	179,054
2020-06-24	Whitehead Warren	Director	Sell	12,000	$6.73	$80,760	45,000
2020-06-24	Whitehead Warren	Director	Convert	5,000	$1.02	$5,100	50,000
2020-06-24	Whitehead Warren	Director	Convert	5,000	—	—	0
2020-06-23	Whitehead Warren	Director	Convert	1,250	—	—	0
2020-06-23	Whitehead Warren	Director	Sell	13,000	$7.08	$92,040	50,000
2020-06-23	Whitehead Warren	Director	Convert	1,250	$1.91	$2,388	51,250
2020-03-25	Rice William G.	Director, Chair, President & CEO	Buy	3,400	$5.82	$19,803	466,414
2020-03-11	Ashe Carol Gail	Director	Award	50,000	—	—	50,000
2020-03-11	PLATZER ERICH	Director	Award	50,000	—	—	50,000
2020-03-11	Whitehead Warren	Director	Award	50,000	—	—	50,000
2020-03-11	Loewy Caroline M	Insider	Award	50,000	—	—	50,000
2020-03-11	BURGER DENIS R	Director	Award	50,000	—	—	50,000
2020-03-11	Vincent Mark D.	Director	Award	50,000	—	—	50,000
2020-03-10	Chow Gregory K.	Executive VP & CFO	Award	225,000	—	—	359,514