Recent Quotes View Full List My Watchlist Create Watchlist Indicators DJI Nasdaq Composite SPX Gold Crude Oil EL&P Market Index Markets Stocks ETFs Tools Overview News Currencies International Treasuries Altair Engineering Inc Cl A (NQ: ALTR ) 91.35 UNCHANGED Streaming Delayed Price Updated: 4:00 PM EDT, Aug 16, 2024 Add to My Watchlist Quote Overview Detailed Quote Charting Historical Prices News All News News Headlines Press Releases Research Quarterly Reports Insider Filings Other Filings Other Filings < Previous 1 2 3 4 5 6 7 8 9 ... 11 12 Next > Form S-8 POS Source: SEC/Edgar December 27, 2015 Form S-8 POS Source: SEC/Edgar December 27, 2015 Form 8-K Source: SEC/Edgar December 20, 2015 Form 8-K Source: SEC/Edgar October 21, 2015 Form 8-K Source: SEC/Edgar October 13, 2015 Form 8-K Source: SEC/Edgar October 06, 2015 Form 8-K Source: SEC/Edgar September 07, 2015 Form DEFM14A Source: SEC/Edgar August 23, 2015 Form 8-K Source: SEC/Edgar July 28, 2015 Form S-8 Source: SEC/Edgar July 23, 2015 Form 8-K Source: SEC/Edgar July 22, 2015 Form PREM14A Source: SEC/Edgar July 20, 2015 Form DEFA14A Source: SEC/Edgar July 20, 2015 Form DEFA14A Source: SEC/Edgar June 24, 2015 Form DEFA14A Source: SEC/Edgar June 01, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form 8-K Source: SEC/Edgar May 31, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form DEFA14A Source: SEC/Edgar May 31, 2015 Form SD Source: SEC/Edgar May 27, 2015 Form 8-K Source: SEC/Edgar May 11, 2015 Form PX14A6G Source: SEC/Edgar April 26, 2015 Form 8-K Source: SEC/Edgar April 22, 2015 < Previous 1 2 3 4 5 6 7 8 9 ... 11 12 Next > Data & News supplied by www.cloudquote.io Stock quotes supplied by Barchart Quotes delayed at least 20 minutes. By accessing this page, you agree to the following Privacy Policy and Terms and Conditions.