Eris Lifesciences COO and Executive Director Krishnakumar Vaidyanathan resigns

Key managerial personnel resignedManagement Changes View source PDF Explain this filing

ERIS · price

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

-3.9%Reaction day

₹1358.00

prior close

₹1355.50

announcement price

After-mkt

timing

Nifty Smallcap 250market-2.4%-1.5% vs market

Pharmaceuticals peers, median of 172sector-1.8%-2.1% vs sector

On the reaction day the stock moved 1.5 pts less than Nifty Smallcap 250 and 2.1 pts less than its Pharmaceuticals 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

-0.5

15m

-0.4

30m

-0.6

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

-3.9-2.4-1.5-1.8-2.1

Next day

-3.7-2.6-1.1-2.1-1.7

-2.1-1.8-0.3-1.2-0.9

-2.9-0.3-2.6-0.4-2.5

-4.8-0.3-4.5+0.3-5.1

-5.7-0.4-5.3-0.0-5.7

-6.1-1.0-5.1-0.1-6.0

15d

-15.7-2.3-13.4-3.0-12.8

-15.7-3.9-11.8-5.6-10.1

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UpDownMarket · Nifty Smallcap 250Sector · Pharmaceuticals peers, median of 172Pending

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

AI summary

Eris Lifesciences has informed exchanges about the resignation of Mr. Krishnakumar Vaidyanathan as Executive Director and Chief Operating Officer (COO). He is stepping down to pursue professional opportunities outside the organisation. His last day will be September 30, 2026. The resignation has been accepted by the Chairman. No successor has been named in the filing.

Likely market impact

Loss of a key operating leader at the management level. Investors will watch for a successor announcement and continuity of operations.