Departure or Appointment of Directors or Certain Officers
→
10/17/25
Exec Change
Departure or Appointment of Directors or Certain Officers
→
10/16/25
Exec Change
Departure or Appointment of Directors or Certain Officers
→
7/3/25
Exec Change
Departure or Appointment of Directors or Certain Officers
→
↓
Prospectuses & Registrations
40 shown
Filed
Form
Description
3/9/26
424B5
424B5
→
2/27/26
424B5
424B5
→
12/1/25
S-8
S-8
→
4/24/25
ARS
ARS
→
2/27/25
S-8
S-8
→
8/9/24
S-3ASR
S-3ASR
→
↓
Filing History(736 filings)
TypeDateAccessionPeriodSize
424B5
Mar 9, 2026
0001193125-26-098764424B5
—
492.9 KB
144
Mar 9, 2026
0001193125-26-098734
—
5.1 KB
8-K
Mar 9, 2026
0001193125-26-0975778-K
Mar 9, 2026
11.0 MB
8-K
Feb 27, 2026
0001193125-26-0825208-K
Feb 27, 2026
1.1 MB
424B5
Feb 27, 2026
0001193125-26-082504424B5
—
606.0 KB
10-K
Feb 26, 2026
0001193125-26-07665010-K
Dec 31, 2025
16.2 MB
8-K
Feb 26, 2026
0001193125-26-0765308-K
Feb 26, 2026
411.9 KB
SCHEDULE 13G
Feb 10, 2026
0000902219-26-000084
—
16.7 KB
4
Jan 9, 2026
0001193125-26-0092384
Jan 9, 2026
7.3 KB
4
Jan 9, 2026
0001193125-26-0092354
Jan 9, 2026
7.4 KB
4
Jan 9, 2026
0001193125-26-0092324
Jan 9, 2026
7.3 KB
4
Jan 9, 2026
0001193125-26-0092304
Jan 9, 2026
7.4 KB
4
Jan 2, 2026
0001193125-26-0011724
Jan 2, 2026
11.3 KB
144
Jan 2, 2026
0001193125-26-001168
—
6.3 KB
4
Dec 9, 2025
0001193125-25-3131474
Dec 5, 2025
9.8 KB
144
Dec 8, 2025
0001193125-25-311409
—
7.1 KB
144
Dec 5, 2025
0001193125-25-310009
—
5.6 KB
4
Dec 3, 2025
0001193125-25-3072114
Nov 28, 2025
5.3 KB
144
Dec 1, 2025
0001193125-25-304226
—
5.0 KB
S-8
Dec 1, 2025
0001193125-25-303888S-8
—
446.9 KB
8-K
Dec 1, 2025
0001193125-25-3038628-K
Nov 24, 2025
724.0 KB
SCHEDULE 13G
Nov 14, 2025
0001274173-25-000274
—
9.2 KB
10-Q
Nov 3, 2025
0001193125-25-26264610-Q
Sep 30, 2025
8.7 MB
8-K
Nov 3, 2025
0001193125-25-2625198-K
Nov 3, 2025
428.5 KB
4
Oct 17, 2025
0001193125-25-2427004
Oct 15, 2025
7.4 KB
25 filings shown
Xenon Pharmaceuticals Inc. — SlamSEC
Proxies
12 shown
Filed
Form
Description
4/24/25
DEFA14A
DEFA14A
→
4/24/25
DEF 14A
DEF 14A
→
4/26/24
DEF 14A
DEF 14A
→
4/27/23
DEF 14A
DEF 14A
→
4/28/22
DEF 14A
DEF 14A
→
4/28/21
DEF 14A
DEF 14A
→
↓
Ownership
40 shown
Filed
Form
Description
1/9/26
4
4
→
1/9/26
4
4
→
1/9/26
4
4
→
1/9/26
4
4
→
1/2/26
4
4
→
12/9/25
4
4
→
↓
Other Filings
40 shown
Filed
Form
Description
3/9/26
144
144
→
2/10/26
SCHEDULE 13G
SCHEDULE 13G
→
1/2/26
144
144
→
12/8/25
144
144
→
12/5/25
144
144
→
12/1/25
144
144
→
↓
Xenon is a chemical element; it has symbol Xe and atomic number 54. It is a dense, colorless, odorless noble gas found in Earth's atmosphere in trace amounts.