Log in

Aptose Biosciences SEC Filings & 10K Form (NASDAQ:APTO)

$5.99
-0.17 (-2.76 %)
(As of 03/29/2020 03:07 AM ET)
Today's Range
$5.66
Now: $5.99
$6.14
50-Day Range
$4.74
MA: $7.12
$9.00
52-Week Range
$1.81
Now: $5.99
$9.25
Volume713,154 shs
Average Volume1.04 million shs
Market Capitalization$456.86 million
P/E RatioN/A
Dividend YieldN/A
Beta1.64

SEC Filings

Aptose Biosciences (NASDAQ:APTO) SEC Filings

DateFilerForm TypeView
03/26/2020
12:10 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
7:55 PM
Aptose Biosciences (Issuer)
Ashe Carol Gail (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
7:43 PM
Aptose Biosciences (Issuer)
Loewy Caroline M (Reporting)
Form 4/A
03/13/2020
7:38 PM
Aptose Biosciences (Issuer)
BURGER DENIS R (Reporting)
Form 4/A
03/13/2020
7:30 PM
Aptose Biosciences (Issuer)
Vincent Mark D. (Reporting)
Form 4/A
03/13/2020
7:21 PM
Aptose Biosciences (Issuer)
PLATZER ERICH (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
7:11 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4/A
03/13/2020
6:49 PM
Aptose Biosciences (Issuer)
Loewy Caroline M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
6:44 PM
Aptose Biosciences (Issuer)
BURGER DENIS R (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
6:39 PM
Aptose Biosciences (Issuer)
Vincent Mark D. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2020
6:33 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2020
3:21 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2020
11:18 AM
Aptose Biosciences (Subject)
Nantahala Capital Management, LLC (Filed by)
Form SC 13G
02/04/2020
9:49 AM
Abramson Herbert (Filed by)
Aptose Biosciences (Subject)
Form SC 13G/A
02/03/2020
8:54 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:52 PM
Aptose Biosciences (Issuer)
Vincent Mark D. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:50 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:49 PM
Aptose Biosciences (Issuer)
PLATZER ERICH (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:47 PM
Aptose Biosciences (Issuer)
Marango Jotin (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:45 PM
Aptose Biosciences (Issuer)
Loewy Caroline M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:41 PM
Aptose Biosciences (Issuer)
Chow Gregory K. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:39 PM
Aptose Biosciences (Issuer)
BURGER DENIS R (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:36 PM
Aptose Biosciences (Issuer)
Bejar Rafael (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
8:32 PM
Aptose Biosciences (Issuer)
Ashe Carol Gail (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/29/2020
6:30 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/09/2020
11:15 PM
Aptose Biosciences (Filer)
Form EFFECT
01/09/2020
3:21 PM
Aptose Biosciences (Filer)
Form 424B2
01/03/2020
2:56 PM
Aptose Biosciences (Issuer)
Bejar Rafael (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/27/2019
3:30 PM
Aptose Biosciences (Subject)
Opaleye Management Inc. (Filed by)
Form SC 13G
12/27/2019
3:13 PM
Aptose Biosciences (Filer)
Form S-3
Registration statement under Securities Act of 1933  
12/17/2019
1:27 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/16/2019
4:30 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/16/2019
4:20 PM
Aptose Biosciences (Filer)
Form 424B5
12/09/2019
10:00 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/09/2019
6:00 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/05/2019
1:25 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/06/2019
9:07 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/28/2019
12:59 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
10/22/2019
6:05 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/10/2019
6:30 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/06/2019
4:11 PM
Aptose Biosciences (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/06/2019
3:04 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/16/2019
6:05 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/14/2019
6:00 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/07/2019
1:03 PM
Aptose Biosciences (Issuer)
Chow Gregory K. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2019
12:21 PM
Aptose Biosciences (Issuer)
Marango Jotin (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2019
12:17 PM
Aptose Biosciences (Issuer)
Marango Jotin (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
06/03/2019
4:28 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/03/2019
8:04 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/03/2019
8:00 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/30/2019
3:13 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/30/2019
3:11 PM
Aptose Biosciences (Filer)
Form 424B5
05/30/2019
8:29 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/29/2019
4:02 PM
Aptose Biosciences (Filer)
Form 424B5
05/29/2019
3:33 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/24/2019
4:20 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/24/2019
4:18 PM
Aptose Biosciences (Filer)
Form 424B5
05/16/2019
9:16 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/07/2019
3:47 PM
Aptose Biosciences (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/07/2019
3:28 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/03/2019
12:57 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/03/2019
12:56 PM
Aptose Biosciences (Filer)
Form 424B5
04/26/2019
9:42 AM
Aptose Biosciences (Filer)
Form 424B2
04/25/2019
11:15 PM
Aptose Biosciences (Filer)
Form EFFECT
04/22/2019
4:20 PM
Aptose Biosciences (Filer)
Form S-3/A
04/22/2019
4:14 PM
Aptose Biosciences (Filer)
Form 10-K/A
04/19/2019
1:35 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/12/2019
12:51 PM
Aptose Biosciences (Filer)
Form 10-K/A
04/01/2019
12:00 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/26/2019
3:25 PM
Aptose Biosciences (Filer)
Form 10-K/A
03/25/2019
6:02 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/21/2019
8:15 AM
Aptose Biosciences (Issuer)
PLATZER ERICH (Reporting)
Form 4/A
03/20/2019
1:19 PM
Aptose Biosciences (Issuer)
PLATZER ERICH (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/15/2019
3:35 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/14/2019
4:32 PM
Aptose Biosciences (Issuer)
Chow Gregory K. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2019
8:01 PM
Aptose Biosciences (Filer)
Form S-3
Registration statement under Securities Act of 1933  
03/12/2019
4:21 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/12/2019
4:16 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/12/2019
4:14 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/12/2019
4:14 PM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/12/2019
3:57 PM
Aptose Biosciences (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
03/04/2019
6:04 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/25/2019
6:05 AM
Aptose Biosciences (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/12/2019
10:51 AM
Aptose Biosciences (Subject)
Wilson Donald R. Jr. (Filed by)
Form SC 13G
01/16/2019
3:04 PM
Abramson Herbert (Filed by)
Aptose Biosciences (Subject)
Form SC 13G/A
01/03/2019
7:12 PM
Aptose Biosciences (Issuer)
BURGER DENIS R (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/03/2019
7:09 PM
Aptose Biosciences (Issuer)
PLATZER ERICH (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/03/2019
7:06 PM
Aptose Biosciences (Issuer)
Loewy Caroline M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/03/2019
7:03 PM
Aptose Biosciences (Issuer)
Ashe Carol Gail (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/03/2019
7:01 PM
Aptose Biosciences (Issuer)
Chow Gregory K. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/03/2019
6:58 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/03/2019
6:56 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/03/2019
6:53 PM
Aptose Biosciences (Issuer)
Vincent Mark D. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2019
6:05 AM
Aptose Biosciences (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
12/21/2018
8:01 PM
Aptose Biosciences (Issuer)
Whitehead Warren (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/21/2018
8:00 PM
Aptose Biosciences (Issuer)
Vincent Mark D. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/21/2018
7:57 PM
Aptose Biosciences (Issuer)
Rice William G. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/21/2018
7:56 PM
Aptose Biosciences (Issuer)
PLATZER ERICH (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/21/2018
7:54 PM
Aptose Biosciences (Issuer)
Loewy Caroline M (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/21/2018
7:53 PM
Aptose Biosciences (Issuer)
Chow Gregory K. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
This page was last updated on 3/29/2020 by MarketBeat.com Staff

Featured Article: Management Fee

Enter your email address below to receive a concise daily summary of analysts' upgrades, downgrades and new coverage with MarketBeat.com's FREE daily email newsletter.

Yahoo Gemini Pixel