Exchange
—
Entity type
operating
Fiscal year end
Dec 31
Headquarters
MA
Company overview
Houghton Mifflin Co. continues to serve as a literary and educational content steward, delivering print and digital materials designed for schools and lifelong learners alike; its core products center on curriculum programs, instructional guides and a growing suite of interactive platforms aimed at educators, districts, and parents seeking trustworthy pedagogical support. While detailed SIC or industry identifiers remain thin, the company still operates within the broader publishing and educational services landscape, where shifts in curriculum standards, government procurement cycles, and digital adoption rates impose the most material regulatory scrutiny—especially around federal education funding, copyright compliance, and data privacy obligations tied to student information. With details on the most recent filing still pending, stakeholders track operating cadence through the possibility of new disclosures and capital projects, mindful that policy changes or delays in adoption could affect subscription renewals and institutional partnerships. CIK 48638 reflects the firm’s SEC identity, so view live filings on Earnings Feed to stay abreast of developments.
Source: Earnings Feed research · last updated 11/24/2025
Recent filings
- HOUGHTON MIFFLIN CO120.1 KB
HOUGHTON MIFFLIN CO 10-Q
- HOUGHTON MIFFLIN CO113.4 KB
HOUGHTON MIFFLIN CO 10-Q
- HOUGHTON MIFFLIN CO105.0 KB
HOUGHTON MIFFLIN CO 10-Q
- HOUGHTON MIFFLIN CO333.0 KB
HOUGHTON MIFFLIN CO 10-K
- HOUGHTON MIFFLIN CO95.5 KB
HOUGHTON MIFFLIN CO 10-Q
- HOUGHTON MIFFLIN CO87.8 KB
HOUGHTON MIFFLIN CO 10-Q
Former names
- 1997-03-25 – 1997-04-10
HOUGHTON MIFFLIN CO/FA