Companies: 10,795·Total market cap: $144.5T
Altair Engineering Inc.

Altair Engineering Inc.

ALTRNASDAQTechnology
$111.85
+$0.00(+0.00%)
Market Cap$9.6B
P/E Ratio—
52W High$113.12
52W Low$75.71
Overview

Altair Engineering Inc. (ALTR) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001701732 · ALTR · NASDAQ · as of Jun 9, 2026

Filing snapshot

1,001+
Total Filings
SCHEDULE 13G/A
Latest Form
2025-04-07
Most Recent
2017
Filing Since
FinancialsEarningsView All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0001701732 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2025-03-25
Fiscal Year End
Mar 25, 2025
Accession No.
0001193125-25-062603
Primary Document
d150252d10ka.htm
View on SEC EDGARDownload PDFFiling Index
Source: data.sec.gov · CIK 0001701732 · Accession 0001193125-25-062603

Latest Key Filings

10-QQuarterly Report
10-Q
2024-10-31
View 10-Q on SEC
8-KCurrent Report
8-K
2025-03-28Material Event
View 8-K on SEC
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2025-04-07
View
15-12G15-12G
15-12G
2025-04-07
View
8-KCurrent Report
8-K
2025-03-28
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2025-03-26
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2025-03-26
View
S-8 POSS-8 POS
S-8 POS
2025-03-26
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S-8 POSS-8 POS
S-8 POS
2025-03-26
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S-8 POSS-8 POS
S-8 POS
2025-03-26
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S-8 POSS-8 POS
S-8 POS
2025-03-26
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S-8 POSS-8 POS
S-8 POS
2025-03-26
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S-8 POSS-8 POS
S-8 POS
2025-03-26
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S-8 POSS-8 POS
S-8 POS
2025-03-26
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S-8 POSS-8 POS
S-8 POS
2025-03-26
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POSASRPOSASR
POSASR
2025-03-26
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25-NSE25-NSE
25-NSE
2025-03-26
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Showing 1–15 of 178 filingsForm 4 / 144 hidden· 1001 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0001701732  |  Exchange: NASDAQ · Technology

Altair Engineering Inc. (NASDAQ: ALTR) has submitted 1,001+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2017. As a Technology sector company with CIK 0001701732, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Altair Engineering Inc.'s most comprehensive regulatory disclosure. The most recent Altair Engineering Inc. 10-K was filed on 2025-03-25 for fiscal year ending 2025. Historical ALTR 10-K annual reports are available from 2020 through 2025.

Investors researching Altair Engineering Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-09
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→ ALTR Financials→ ALTR Earnings→ ALTR Insider Trades

Frequently Asked Questions

ALTR SEC Filings · 8 questions

Altair Engineering Inc. (ALTR) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,001+ filings and access original documents at no cost. Altair Engineering Inc.'s CIK is 0001701732.

ALTR SEC filingsAltair Engineering Inc. SEC documentsfind ALTR 10-K