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SIGMA ADVANCED SYSTEMS LIMITED — Investor Relations & Filings

Ticker · SIGMAADV ISIN · INE933B01012 LEI · 254900R1OB0RRUDANR92 BSE.NS Manufacturing
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Filings indexed 538 across all filing types
Latest filing 2026-01-14 Regulatory Filings
Country IN India
Listing BSE.NS SIGMAADV

About SIGMA ADVANCED SYSTEMS LIMITED

https://sigmaadvsys.com/

Sigma Advanced Systems Limited specializes in the design, development, and manufacturing of high-reliability electronic and mechanical systems. The company’s portfolio includes telemetry systems, tracking solutions, power electronics, and RF and microwave components. It provides mission-critical hardware and embedded systems designed for high-performance applications in demanding environments. Key capabilities encompass precision engineering and the integration of complex subsystems for space exploration and defense initiatives. The organization emphasizes indigenous research and development to deliver specialized technical solutions for national and international programs.

Recent filings

Filing Released Lang Actions
Copy of Newspaper Publication
Regulatory Filings Classification · 100% confidence The document is a formal communication addressed to stock exchanges (BSE and NSE) regarding a newspaper advertisement about the change of the company's name from 'Megasoft Limited' to 'Sigma Advanced Systems Limited'. It references compliance with SEBI Listing Obligations and Disclosure Requirements Regulations, 2015, specifically Regulations 30 and 47, which pertain to disclosure of material events and advertisements. The document includes the text of the newspaper advertisement and mentions that the information is also available on the company's website. There is no financial data, no detailed report, no management discussion, or any other substantive financial or operational information. The document is essentially an announcement of a corporate event (name change) via a newspaper advertisement and its filing with stock exchanges. This fits the category of a Regulatory Filing (RNS) as it is a general regulatory announcement that does not fit into more specific categories like Annual Report, Earnings Release, or Management Information.
2026-01-14 English
Certificate under SEBI (Depositories and Participants) Regulations, 2018
Regulatory Filings Classification · 95% confidence The document is a compliance certificate submitted under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, for the quarter ended December 31, 2025. It is a short letter addressed to stock exchanges, certifying compliance related to share transfer agent activities. The document does not contain financial statements, management discussion, or detailed report data. It is primarily a regulatory compliance submission. The length is only 1265 characters, indicating it is a brief certificate rather than a full report. Therefore, it fits best under Regulatory Filings (RNS) as a compliance certificate submission.
2026-01-13 English
Name Change
Regulatory Filings Classification · 95% confidence The document is a formal letter addressed to stock exchanges notifying them of a change in the company's name following an approved scheme of amalgamation. It references regulatory compliance under SEBI Listing Regulations and mentions the issuance of a fresh Certificate of Incorporation. The document does not contain financial data, audit information, or detailed reports but is an official announcement of a corporate action (name change) and related filings. It is not a report itself but a regulatory announcement. Therefore, it fits best under Regulatory Filings (RNS). The document length is short and it is an announcement rather than a full report.
2026-01-13 English
Updates
Regulatory Filings Classification · 95% confidence The document is a letter addressed to stock exchanges (BSE and NSE) regarding a special window for re-lodgement of physical share transfer requests. It references a SEBI circular and provides a summary report from the Registrar and Share Transfer Agent about the status of these requests. The content is an official regulatory update or compliance communication rather than a financial report, earnings release, or management discussion. The document length is short (2345 characters) and it is primarily an announcement or intimation to the exchanges about procedural compliance and actions taken. It does not contain financial statements, audit information, or detailed management analysis. Therefore, it fits best under Regulatory Filings (RNS), which is the fallback category for miscellaneous regulatory announcements and compliance documents that do not fit other specific categories.
2026-01-09 English
Updates
Board/Management Information Classification · 95% confidence The document is a detailed announcement from the Board of Directors regarding the outcome of a Board Meeting held on January 2, 2026. It includes information about the sanctioning of a Scheme of Amalgamation by the National Company Law Tribunal (NCLT), effective and appointed dates, share exchange ratio, record date, amendments to the Memorandum and Articles of Association, compliance notes, subsidiary details, and approval of corporate guarantees. The content is focused on corporate actions and approvals by the Board rather than financial results or reports. It does not contain financial statements or detailed financial analysis. The document is not a full annual or interim report, nor is it a call transcript or earnings release. It is not a proxy solicitation or voting results announcement. The document is a formal disclosure of Board decisions and corporate governance matters, including changes in company structure and guarantees. Therefore, it fits best under the category of Board/Management Information (MANG). The document length (8130 characters) and detailed content support this classification with high confidence.
2026-01-02 English
Record Date
Board/Management Information Classification · 95% confidence The document is a letter dated January 2, 2026, addressed to stock exchanges, reporting the outcome of a Board Meeting held on the same date. It references regulatory compliance under SEBI Listing Obligations and Disclosure Requirements Regulations, 2015, and details the approval of a Scheme of Amalgamation sanctioned by the National Company Law Tribunal (NCLT). The document includes specifics such as the effective date, appointed date, share exchange ratio, record date, amendments to the Memorandum and Articles of Association, and notes on subsidiary companies. It also reports the Board's approval of extending corporate guarantees with detailed annexures. The content is primarily about decisions and approvals made by the Board of Directors rather than financial results or detailed financial statements. It is not a full financial report, earnings release, or audit report. It is not a notice of dividend, share issue, or voting results. The document is a formal announcement of Board Meeting outcomes, including corporate actions and compliance matters. Therefore, it fits best under the category of Board/Management Information (MANG). The document length (8130 characters) and detailed content support this classification with high confidence.
2026-01-02 English

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