Company · CIK 1701732

# Altair Engineering Inc.

| CIK | [1701732](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001701732) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 7372 — Services-Prepackaged Software |
| Incorporated in | DE |
| Business address | MI |
| Listed | no ticker on SEC record today |
| First annual or quarterly report | 2017-12-01 |

## Offerings

 4 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-266587 | Shelf Effective | 2022-08-05 | 2022-08-05 | 1 |
| 333-231948 | Shelf Effective | 2019-06-04 | 2019-06-06 | 3 |
| 333-225412 | Registered company Final prospectus | 2018-06-04 | 2018-06-07 | 3 |
| 333-220710 | IPO Final prospectus | 2017-09-29 | 2017-11-01 | 6 |

## Filings

 15

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2022-08-05 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1701732/000119312522213615/0001193125-22-213615-index.htm) Shelf registered | 333-266587 | 0001193125-22-213615 |
| 2019-06-06 | [424B5](https://www.sec.gov/Archives/edgar/data/1701732/000119312519167222/0001193125-19-167222-index.htm) Shelf takedown | 333-231948 | 0001193125-19-167222 |
| 2019-06-04 | [424B5](https://www.sec.gov/Archives/edgar/data/1701732/000119312519165096/0001193125-19-165096-index.htm) Shelf takedown | 333-231948 | 0001193125-19-165096 |
| 2019-06-04 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1701732/000119312519165073/0001193125-19-165073-index.htm) Shelf registered | 333-231948 | 0001193125-19-165073 |
| 2018-06-07 | [424B4](https://www.sec.gov/Archives/edgar/data/1701732/000119312518186759/0001193125-18-186759-index.htm) Final prospectus | 333-225412 | 0001193125-18-186759 |
| 2018-06-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1701732/999999999518001434/9999999995-18-001434-index.htm) Declared effective | 333-225412 | 9999999995-18-001434 |
| 2018-06-04 | [S-1](https://www.sec.gov/Archives/edgar/data/1701732/000119312518183240/0001193125-18-183240-index.htm) Registration filed | 333-225412 | 0001193125-18-183240 |
| 2018-05-25 | [DRS](https://www.sec.gov/Archives/edgar/data/1701732/000095012318005992/0000950123-18-005992-index.htm) Draft made public | 377-02087 | 0000950123-18-005992 |
| 2017-11-01 | [424B4](https://www.sec.gov/Archives/edgar/data/1701732/000119312517329556/0001193125-17-329556-index.htm) Final prospectus | 333-220710 | 0001193125-17-329556 |
| 2017-10-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1701732/999999999517002822/9999999995-17-002822-index.htm) Declared effective | 333-220710 | 9999999995-17-002822 |
| 2017-10-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1701732/000119312517322325/0001193125-17-322325-index.htm) Amendment | 333-220710 | 0001193125-17-322325 |
| 2017-10-19 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1701732/000119312517313529/0001193125-17-313529-index.htm) Amendment | 333-220710 | 0001193125-17-313529 |
| 2017-10-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1701732/000119312517305877/0001193125-17-305877-index.htm) Amendment | 333-220710 | 0001193125-17-305877 |
| 2017-09-29 | [S-1](https://www.sec.gov/Archives/edgar/data/1701732/000119312517299201/0001193125-17-299201-index.htm) Registration filed | 333-220710 | 0001193125-17-299201 |
| 2017-06-16 | [DRS](https://www.sec.gov/Archives/edgar/data/1701732/000095012317005706/0000950123-17-005706-index.htm) Draft made public | 377-01595 | 0000950123-17-005706 |

[All filings of this company](https://equitycapital.markets/filings?cik=1701732) · [CSV](https://equitycapital.markets/filings.csv?cik=1701732)

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Source page: https://equitycapital.markets/company/1701732 · Data: U.S. SEC EDGAR · CC BY 4.0