Sumax Engineering IPO date
The Sumax Engineering IPO opened on Tuesday, 25 Aug 2026 and closed on Friday, 28 Aug 2026. Bidding is open for 4 days.
Allotment was on 31 Aug 2026, and the shares listed on 2 Sept 2026 on NSE SME.
Under SEBI’s T+3 timeline an IPO lists within three working days of the issue closing, so allotment, refunds and the demat credit all fall in those days.
Sumax Engineering IPO timeline
| Event | Date | What happens |
|---|---|---|
| Bidding opens | Tuesday, 25 Aug 2026 | Bids are accepted from 10 AM. |
| Bidding closes | Friday, 28 Aug 2026 | Last day to bid. UPI mandates must be approved by 5 PM. |
| Allotment finalised | Monday, 31 Aug 2026 | The registrar publishes who got shares. |
| Refunds start | Tuesday, 1 Sept 2026 | Money blocked for applications not allotted is released. |
| Shares credited to demat | Tuesday, 1 Sept 2026 | Allotted shares reach your demat account. |
| Listing | Wednesday, 2 Sept 2026 | Trading starts at 10 AM after the pre-open session on NSE SME. |
What to do on each date
While bidding is open: apply from your broker app or net banking, and approve the UPI mandate as soon as it arrives. Do not leave it to the last afternoon.
After it closes: the allotment is out on the date above. Check it on the registrar’s website, or let IPO Khata look up every family member’s PAN and email you.
On the listing date: allotted shares can be sold once trading starts. If you were not allotted, the blocked money is released by the refund date.
Questions
When does the Sumax Engineering IPO open?
It opened on Tuesday, 25 Aug 2026.
When does the Sumax Engineering IPO close?
It closed on Friday, 28 Aug 2026. UPI mandates must be approved by 5 PM that day.
What is the Sumax Engineering IPO allotment date?
The allotment was finalised on Monday, 31 Aug 2026.
When will Sumax Engineering list?
It listed on Wednesday, 2 Sept 2026 on NSE SME.
When will the Sumax Engineering IPO refund come?
Refunds start on Tuesday, 1 Sept 2026.
Learn more
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Track your family’s Sumax Engineering applications free — allotment checked at the registrar and emailed to you.
Information, not investment advice. GMP is an unofficial grey-market indicator; figures come from public sources (InvestorGain) and may be late or wrong. Not registered with or affiliated to SEBI, the exchanges, the registrars or InvestorGain.