Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Toronto
SEC filing record 1 source field available
Fiscal year end
31 December
Aptose Biosciences Inc. has filed 1,073 SEC EDGAR filings since 14 Feb 1997

SEC filing history

Showing 226-250 of 865 matching filings.

Per page
25
Current page
10
4

FORM 4

Filing date
23 Jan 2023
Reporting date
19 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
23 Jan 2023
Reporting date
19 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
23 Jan 2023
Reporting date
19 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
23 Jan 2023
Reporting date
19 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
23 Jan 2023
Reporting date
19 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
23 Jan 2023
Reporting date
19 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
23 Jan 2023
Reporting date
19 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-49893

SC 13G

Filing date
17 Jan 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
424B5 File 333-267801

424B5

Filing date
12 Dec 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
424B5 File 333-235730

424B5

Filing date
29 Nov 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-267801

EFFECT filing

Filing date
21 Oct 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
424B2 File 333-267801

FORM 424B2

Filing date
21 Oct 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
19 Oct 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
19 Oct 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3 File 333-267801

S-3

Filing date
11 Oct 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
21 Sep 2022
Reporting date
19 Sep 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .