45 filings
SD
UMC
United Micro Electronics
31 May 23
Conflict minerals disclosure
6:02am
SD
UMC
United Micro Electronics
27 May 22
Conflict minerals disclosure
6:15am
SD
UMC
United Micro Electronics
28 May 21
Conflict minerals disclosure
6:55am
UPLOAD
UMC
United Micro Electronics
17 Nov 20
Letter from SEC
12:00am
CORRESP
UMC
United Micro Electronics
6 Nov 20
Correspondence with SEC
12:00am
UPLOAD
huuapir886i
29 Oct 20
Letter from SEC
12:00am
SD
a7phvhshrjnl
29 May 20
Conflict minerals disclosure
6:15am
SD
v429mf0u95s5
31 May 19
Conflict minerals disclosure
6:10am
SD
btphlcix
31 May 18
Conflict minerals disclosure
6:21am
SD
3jhtlfq34
31 May 17
Conflict minerals disclosure
12:00am
UPLOAD
h24q0b88
17 Jun 16
Letter from SEC
12:00am
CORRESP
hqe9x9w
15 Jun 16
Correspondence with SEC
12:00am
UPLOAD
zdxdi
8 Jun 16
Letter from SEC
12:00am
CORRESP
98pyfzl
1 Jun 16
Correspondence with SEC
12:00am
SD
7870n0e5dz2b
20 May 16
Conflict minerals disclosure
12:00am
UPLOAD
71uw39ttpdzj
10 May 16
Letter from SEC
12:00am
UPLOAD
vu5dtu 63khf
8 Jun 15
Letter from SEC
12:00am
CORRESP
6hdukr5c mejq
29 May 15
Correspondence with SEC
12:00am
SD
nfwcxqblderr0i 08nxy
22 May 15
Conflict minerals disclosure
12:00am
UPLOAD
si3nug
21 May 15
Letter from SEC
12:00am