36 filings
EFFECT
HMHC
Houghton Mifflin Harcourt Co
15 Apr 22
Notice of effectiveness
12:15am
UPLOAD
HMHC
Houghton Mifflin Harcourt Co
15 Mar 22
Letter from SEC
12:00am
SD
HMHC
Houghton Mifflin Harcourt Co
28 May 21
Conflict minerals disclosure
4:00pm
EFFECT
HMHC
Houghton Mifflin Harcourt Co
27 Nov 20
Notice of effectiveness
12:15am
CORRESP
HMHC
Houghton Mifflin Harcourt Co
23 Nov 20
Correspondence with SEC
12:00am
UPLOAD
u32c8a
23 Nov 20
Letter from SEC
12:00am
SD
qac37g i1
29 May 20
Conflict minerals disclosure
8:00am
SD
wpzo1z2 g0
31 May 19
Conflict minerals disclosure
7:00am
UPLOAD
gr8ez2lu66zb adeiet
8 Feb 19
Letter from SEC
12:00am
CORRESP
7g9mvtn4
26 Dec 18
Correspondence with SEC
12:00am
UPLOAD
hg1s bn4u3
11 Dec 18
Letter from SEC
12:00am
SD
ubervzv vvin58b38n
31 May 18
Conflict minerals disclosure
4:18pm
UPLOAD
z6m7bsv7 ytbrjre
5 Feb 18
Letter from SEC
12:00am
CORRESP
aabko5sb
16 Jan 18
Correspondence with SEC
12:00am
UPLOAD
s45 rh2pdrm9f
3 Jan 18
Letter from SEC
12:00am
CORRESP
vsn3d0bby4a99br2
20 Dec 17
Correspondence with SEC
12:00am
UPLOAD
oqmb qtx0rw
12 Dec 17
Letter from SEC
12:00am
SD
bl8m9a
30 May 17
Conflict minerals disclosure
12:00am
UPLOAD
jlqv3setskf
6 Feb 17
Letter from SEC
12:00am
CORRESP
ulkpl ck8jik6hhlc22q
22 Dec 16
Correspondence with SEC
12:00am