The Exchange has received Disclosure under Regulation 31(1) and 31(2) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 on November 27, 2025 for Smt. Sudha Dattatray Mhaiskar

Pledge ReleasedOwnership Changes View source PDF Explain this filing

IRB · price

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Price reactionminutes from the announcement price · days from the prior close

-0.6%Reaction day

₹21.60

prior close

₹21.55

announcement price

In-mkt

timing

Nifty Smallcap 250market · index membership as recorded later (tracked since Jun 2026)-0.2%-0.4% vs market

Civil Construction peers, median of 97sector-0.2%-0.5% vs sector

On the reaction day the stock moved 0.4 pts less than Nifty Smallcap 250 and 0.5 pts less than its Civil Construction peers, 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

Stock

+0.1

10m

+0.1

15m

+0.0

30m

+0.0

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

-0.6-0.2-0.4-0.2-0.5

Next day

-0.1+0.0-0.1-0.9+0.7

-1.0-0.4-0.5-1.5+0.5

-0.6-0.9+0.3-2.8+2.2

-0.4-1.1+0.7-3.1+2.7

-1.2-1.6+0.5-3.3+2.2

-3.5-2.9-0.6-4.3+0.8

15d

-4.6-2.2-2.5-4.4-0.2

-3.7-1.5-2.2-4.2+0.5

-4.8-6.7+2.0-14.8+10.0

-7.0-7.1+0.1-18.0+11.0

UpDownMarket · Nifty Smallcap 250Sector · Civil Construction peers, median of 97Pending

Minute windows have no benchmark: there is no intraday index history to compare against.

AI summary

Smt. Sudha Dattatray Mhaiskar, a promoter of IRB Infrastructure Developers, has released (unpledged) 42,95,000 shares that were earlier encumbered in favour of Kotak Securities Ltd. The release happened on November 26, 2025 and was disclosed to BSE and NSE on November 27, 2025 under SEBI SAST Regulations. As a result, her encumbered shares fell from 48,45,000 (0.080% of share capital) to just 5,50,000 (0.009% of share capital). Her overall promoter holding in the company stands at around 50,59,080 shares (0.08%), while the total promoter group holds 30.42% of IRB's share capital.

Likely market impact

This is a positive sign for shareholders — the promoter is freeing up previously pledged shares, which reduces financial leverage risk and signals either loan repayment or improved comfort with the stock. It generally improves confidence in promoter stability.