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SIGMAADVNSESIGMA ADVANCED SYSTEMS LIMITEDHighPositive
Announced Fri, 19 Dec, 2025 · 18:15 IST

NCLT approves amalgamation of Sigma Advanced Systems into Megasoft

Listed-company acquisitionScheme filed with the NCLTStrategic Transactions View source PDFExplain this filing

SIGMAADV · price

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▲ positive · ▼ negative · ● neutral filings · teal = economic event · numbered = multiple that day (click to pick). Times IST.

Price reactionminutes from the announcement price · days from the prior close
+3.8%Reaction day
₹176.85
prior close
₹183.49
announcement price
After-mkt
timing
Nifty Microcap 250market · index membership as recorded later (tracked since Jun 2026)+1.4%+2.4% vs market

On the reaction day the stock moved 2.4 pts more than Nifty Microcap 250, over the same two closes: a difference in percentage points, not a measure of what the filing did.

Minutes after the announcementfrom the announcement price · no benchmark
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Sessions after the filingfrom the prior close
StockMarketvs market
Reaction day
+3.8+1.4+2.4
Next day
+8.9+1.4+7.5
2d
+14.4+0.9+13.5
3d
+17.0+0.3+16.7
4d
+10.2-0.4+10.6
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+7.5-0.5+8.0
1w
+11.7+1.1+10.5
15d
+7.4-2.5+10.0
1m
-1.6-6.1+4.5
2m
-2.5-2.8+0.4
3m
-7.3-14.9+7.6
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Minute windows have no benchmark: there is no intraday index history to compare against.

AI summary

NCLT Chennai has sanctioned the Scheme of Amalgamation of Sigma Advanced Systems Private Limited with listed Megasoft Limited on December 16, 2025. Approved share swap ratio is 316 equity shares of Megasoft of Rs 10 face value for every 100 shares of Sigma. Appointed date is April 1, 2024. Post merger, Megasoft will be renamed Sigma Advanced Systems Limited. Effective date is when the certified NCLT order is filed with RoC Chennai. Megasoft aims to enter the aerospace and defence sector.

Likely market impact

Gives Megasoft entry into aerospace and defence via Sigma. Swap of 316:100 will dilute Megasoft equity. Await record date for share allotment.