SEBI Insider Trading (PIT) and Takeover (SAST) Regulations Explained: UPSI, Trading Window, Open Offer Triggers (+ Quiz)

This is part 4 of our SEBI regulations series. It covers two rule-books that protect ordinary investors: insider trading rules (no one should profit from secret information) and takeover rules (minority shareholders get a fair exit when control changes).

Prohibition of Insider Trading (PIT) Regulations, 2015

PointDetail
Full nameSEBI (Prohibition of Insider Trading) Regulations, 2015
ReplacedPIT Regulations, 1992
Based onN.K. Sodhi Committee (2013)
Legal basisSection 12A and 15G of the SEBI Act

Key terms

TermMeaning
UPSI (Unpublished Price Sensitive Information)Information not yet public that can affect the share price: financial results, dividends, mergers, change in capital, change in key managerial personnel
InsiderA connected person (director, employee, auditor, banker, etc., within 6 months before the act) or anyone in possession of UPSI
Designated personsEmployees and others named by the company who must follow trading rules
Compliance OfficerUsually the Company Secretary; monitors trades

Main rules

RuleDetail
No tradingAn insider cannot trade while holding UPSI
No sharingUPSI can be shared only for legitimate purposes; a structured digital database (SDD) of recipients must be kept
Trading windowClosed from the end of the quarter until 48 hours after results are declared
Contra tradeDesignated persons cannot do an opposite trade within 6 months
Trading planInsiders can pre-commit trades through a disclosed plan; cool-off period of 120 days before the first trade (cut from 6 months in 2024)
Disclosure by promoters/directors/employeesTrades worth over ₹10 lakh in a calendar quarter must be disclosed to the company within 2 trading days; the company informs the exchange within 2 days
Initial disclosureWithin 7 days of becoming a promoter/director/KMP

Penalty and reward

  • Penalty under Section 15G: up to ₹25 crore or 3 times the profit made, whichever is higher.
  • Informant (whistle-blower) mechanism (2019): reward of up to ₹10 crore (raised from ₹1 crore in 2021, approx) for information leading to recovery.

PFUTP Regulations, 2003

  • Prohibition of Fraudulent and Unfair Trade Practices: covers price rigging, circular trading, front running, pump and dump, mis-selling and fake news to move prices.
  • Front running = trading ahead of a big client order using that information.

Takeover Code: SAST Regulations, 2011

PointDetail
Full nameSEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011
ReplacedSAST Regulations, 1997
Based onC. Achuthan Committee (TRAC, 2010)
PurposeFair treatment of public shareholders when someone acquires a large stake or control

Open offer triggers

TriggerRule
Initial triggerAcquiring 25% or more voting rights → must make an open offer
Creeping acquisitionA holder of 25% to 75% can buy up to 5% a year (1 April–31 March) without an open offer
Change of controlAcquiring control (directly or indirectly) → open offer, whatever the stake
MaximumHolding cannot exceed the maximum permissible non-public shareholding (75%)

Open offer rules

RuleDetail
Minimum offer sizeAt least 26% of the total shares
Offer priceHighest of: negotiated price, volume-weighted average price paid in the last 52 weeks, highest price in the last 26 weeks, 60-day VWAP market price (if frequently traded)
EscrowAcquirer must deposit money in an escrow account (25% of the first ₹500 crore, plus 10% above that)
ExemptionsInter-se transfers among promoters, rights issues, buybacks, IBC resolution plans, among others
DisclosureAcquiring 5% or more, and every 2% change after that, must be disclosed within 2 working days

Exam-ready one-liners

  1. PIT Regulations, 2015 replaced the 1992 rules; based on the N.K. Sodhi Committee.
  2. UPSI = unpublished price sensitive information.
  3. Trading window closes from quarter end to 48 hours after results.
  4. Contra trade is barred for 6 months for designated persons.
  5. Insider trading penalty: up to ₹25 crore or 3 times the profit.
  6. SAST, 2011: open offer is triggered at 25% voting rights.
  7. Creeping acquisition: up to 5% a year for holders between 25% and 75%.
  8. The open offer must be for at least 26% of shares.

Related reading

Quiz: test yourself

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Based on SEBI PIT, PFUTP and SAST Regulations as amended up to 2026, as reported. Check sebi.gov.in for the latest text.

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