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# SEBI Lock-In Rules for Pre-IPO Shareholders — What You Need to Know
One of the most important questions for any unlisted share investor is: after the company IPOs, when can I sell? The answer depends entirely on SEBI's lock-in rules under the ICDR (Issue of Capital and Disclosure Requirements) Regulations — and whether you fall into a locked-in category.
Disclaimer: Lock-in rules are complex and fact-specific. Always read the company's DRHP lock-in disclosures and consult a legal adviser before the IPO if you are unsure about your position.
Why Lock-In Rules Exist
SEBI introduced lock-in requirements to protect IPO investors from a classic adverse selection problem: insiders and pre-IPO investors, who know the company best, dumping shares immediately on retail IPO buyers who are still forming a view.
Lock-ins force pre-IPO shareholders to hold their position through the initial public market volatility — aligning their interests with new public investors.
Who Is Locked In and for How Long
Under SEBI's ICDR Regulations (as amended up to 2024–25):
### Promoters | Holding | Lock-in Period | |---|---| | Minimum 20% of post-issue capital | 3 years from date of allotment | | Remaining promoter holding | 1 year from date of allotment |
Promoter lock-ins are the most stringent. SEBI has been consistent about not diluting these timelines.
### Pre-IPO Allottees (Non-Promoters) Investors who received shares through a **private placement or preferential allotment within 1 year before the IPO filing date are locked in for 6 months** from the date of allotment in the IPO.
This category typically includes:
- Venture capital and private equity investors who did a late-stage round
- Employees who exercised ESOPs close to the IPO window
- Strategic investors who received shares in the last fundraising round
### Anchor Investors Post-IPO allottees from the anchor book:
- 50% locked in for 30 days
- Remaining 50% locked in for 90 days
### Retail IPO Applicants No lock-in. Listed shares can be sold from day one of trading.
The Key Question: Are Secondary Market Buyers Locked In?
If you bought unlisted shares on Polemarch from another shareholder — not through a primary issuance from the company — you are a secondary market purchaser. The SEBI ICDR lock-in provisions target "pre-IPO allottees" — those who received shares from the company as part of a fundraising.
The general principle: Secondary market buyers are typically not subject to post-IPO lock-in under SEBI ICDR.
However, there are important caveats:
- 1Your shareholder agreement may contain its own transfer restrictions or lock-in clauses (right of first refusal, drag-along, tag-along) that operate independently of SEBI rules
- 2The DRHP must specifically disclose all locked-in shareholders — check if your name/category appears
- 3Recent SEBI amendments (post-2023) have expanded the scope of who counts as a pre-IPO allottee in some cases — verify with a CA or legal adviser
The 2022 ICDR Amendment: Key Changes
SEBI amended its ICDR regulations significantly in 2022 and has made further changes since:
Reduced lock-in for pre-IPO investors (non-promoters) The lock-in for pre-IPO non-promoter shareholders was reduced from 1 year to 6 months for IPOs filed after November 2021. This was a significant liberalisation that improved liquidity prospects for VC and PE investors.
Anchor investor lock-in enhanced In contrast, anchor investor lock-in was made more stringent — the old 30-day lock-in was replaced with a split: 50% for 30 days and 50% for 90 days.
Promoter lock-in unchanged The 3-year / 1-year promoter lock-in structure remained intact.
Practical Checklist Before an IPO
If you hold unlisted shares and the company announces an IPO:
- 1Read the DRHP (Draft Red Herring Prospectus) — specifically the section on "Capital Structure" and "Lock-In Details." Your BO ID and holding quantity will appear here if you are a locked-in shareholder.
- 1Check when you acquired the shares — shares acquired more than 1 year before the IPO filing date are less likely to trigger lock-in
- 1Review your shareholder agreement — even if SEBI doesn't lock you in, a contractual right-of-first-refusal clause could delay your sale
- 1Do not assume — secondary market buyer exemption is the general rule, but the DRHP governs your specific case
After the Lock-In Expires
Once your lock-in period ends:
- Your shares become freely transferable listed securities
- You can sell on NSE/BSE through your broker like any other listed stock
- Capital gains tax applies from the IPO allotment date (or DRHP listing date) for the listed holding period determination
*Published by the Polemarch editorial team. Not legal advice — consult a SEBI-registered adviser.*