72 filings
DEFA14A
HL
Hecla Mining Co.
4 Apr 24
Additional proxy soliciting materials
4:34pm
DEF 14A
HL
Hecla Mining Co.
Definitive proxy
4 Apr 24
4:31pm
DEFA14A
HL
Hecla Mining Co.
11 Apr 23
Additional proxy soliciting materials
9:32am
DEF 14A
HL
Hecla Mining Co.
Definitive proxy
11 Apr 23
9:30am
DEFA14A
HL
Hecla Mining Co.
12 Apr 22
Additional proxy soliciting materials
6:10am
DEFA14A
ynt0n2f g8
13 Apr 21
Additional proxy soliciting materials
4:32pm
DEFA14A
clyjacgiclvxm ri6o5d
5 Apr 21
Additional proxy soliciting materials
6:32am
DEFA14A
nrky61hcrxybvmh 8bx
13 May 20
Additional proxy soliciting materials
8:25am
DEFA14A
qydb 6cfiiq
9 Apr 20
Additional proxy soliciting materials
6:30am
PX14A6G
hqnn4ck
16 May 19
Letter to shareholders
1:55pm
PX14A6G
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9 Apr 19
Letter to shareholders
12:18pm
DEFA14A
222bjejaq7byr
9 Apr 19
Additional proxy soliciting materials
8:01am
DEFA14A
yjov6l a2
9 Apr 18
Additional proxy soliciting materials
12:00am