SIGMA ADVANCED SYSTEMS Suryanarayana Raju Nandyala resigns
SIGMA ADVANCED SYSTEMS (SIGMAADV) said Suryanarayana Raju Nandyala has resigned. The company is valued at about ₹16,643 crore.
What happened
In a filing with the BSE on 12 November 2026 at 06:09 PM, SIGMA ADVANCED SYSTEMS (SIGMAADV) said that Suryanarayana Raju Nandyala has resigned.
From the filing: "Sigma Advanced Systems Limited has informed the Exchange regarding additional disclosure w.r.t. resignation of Mr."
Company snapshot
SIGMA ADVANCED SYSTEMS is a small-cap company in the Capital Goods sector, with a market value of about ₹16,643 crore.
The stock last traded at ₹876.3, against a 52-week range of ₹140.1–₹1,165 (24.8% below the high).
Before this filing the shares had moved −8.6% over the month and +31.5% over three months. Average daily turnover over the last 20 sessions was about ₹24.13 crore.
Promoters held 66.09% at the end of Q2 FY27, down 0.15% points from the previous quarter. Foreign institutions owned 0.52% and domestic institutions 1.62%.
| Quarter | Revenue | Net profit | EPS (₹) |
|---|---|---|---|
| Q2 FY26 | 0 | 0.6 | 0.08 |
| Q3 FY26 | 146 | -1 | -0.14 |
| Q4 FY26 | 323 | 128.4 | 7.29 |
| Q1 FY27 | 374 | 23.9 | 2.01 |
| Q2 FY27 | 417 | 42.5 | 2.59 |
What history shows
This is not the company's first management change disclosure: BCEIE has 11 earlier filings of this kind on record since May 2026.
After those filings, the stock gained 10.3% on average the next trading day and was up 13.4% on average after five days (2 filings with price data).
Across 266 similar disclosures by other Capital Goods companies, shares moved +0.3% on average the next day and +0.8% over five days; 53% of them rose the next day.
Market-wide, 4,506 management change filings with an impact score of 50 or more saw an average next-day move of −0.0%, with 45% rising.
Past reactions describe what happened before; they are not a forecast.
What to watch
- The appointment of a successor and any change in strategy or guidance.
In the news
Recent coverage elsewhere (links open the original publisher):
- Sigma Advanced Systems Reports Q2 FY27 Revenue of ₹417 Crore
- Sigma Advanced Systems Reports Rs 417 Cr Q2 Revenue, Pat Rises To Rs 48.6 Cr
- Sigma Advanced Systems seeks ₹3,000 crore fund raise via postal ballot
- Sigma Advanced Systems (NSEI:SIGMAADV) - Stock Analysis
- Sigma Advanced Systems reports three board exits November 6
Source
Automatically written from the exchange filing and BCEIE data. Not investment advice. Check the original filing before acting on it.