Altair Engineering INC 8-K filings

Altair Engineering completed its merger with Siemens Industry Software on March 26, 2025, and amended its indenture agreement to reflect the change in control and conversion rights of its 1.750% Convertible Senior Notes due 2027.

Altair reports a 12.3% increase in total revenue for Q4 2024 and a 8.7% increase for the full year, alongside a pending acquisition by Siemens.

Altair Engineering Inc. stockholders have approved the merger agreement with Siemens Industry Software Inc., leading to Altair becoming a wholly-owned subsidiary of Siemens and delisting from the Nasdaq.

Altair Engineering is facing multiple lawsuits alleging deficiencies in its proxy statement related to the proposed merger with Siemens Industry, prompting the company to issue supplemental disclosures.

Altair Engineering announced a robust third quarter with significant revenue growth and improved profitability, coinciding with the news of its acquisition by Siemens.

Siemens will acquire Altair Engineering for $10.6 billion, with stockholders receiving $113 per share in cash.

Altair reported second quarter 2024 financial results, exceeding revenue expectations with significant growth in software revenue and a reduced net loss compared to the same period last year.

Altair Engineering finalized the conversion of its 2019 convertible senior notes, issuing cash and shares to noteholders and settling the remaining balance.

Altair Engineering successfully held its 2024 annual meeting, electing two directors, approving executive compensation on an advisory basis, and ratifying its independent auditor.

Altair reported record software and total revenue for the first quarter of 2024, exceeding expectations and demonstrating strong growth across all major geographies and multiple verticals.

Altair reports record-high revenue and profit for both the fourth quarter and full year 2023, surpassing its adjusted EBITDA margin target.