SEBI Guidelines: Ensuring Compliance in Share Buybacks

When a listed company decides to buy back its own shares, it isn’t just an accounting event that shows up as a reduction in reserves. It is a market transaction that can move stock prices, shift ownership patterns, and directly affect thousands of shareholders who have to decide, often within days, whether to sell their holdings back to the company. That is exactly why the Securities and Exchange Board of India (SEBI) has built a fairly detailed rulebook around buybacks. For a commerce student, understanding these guidelines isn’t just about memorising numbers for an exam. It is about seeing how a single accounting transaction, “buy-back of shares,” sits inside a much larger framework of investor protection.

Why SEBI keeps a close watch on buybacks 🔗

A buyback lets a company return surplus cash to shareholders, correct an undervalued share price, or improve financial ratios like earnings per share. Companies typically undertake buybacks when they hold excess cash without immediate investment opportunities or want to signal confidence in their own valuation. Because buybacks are optional for shareholders, that is, some choose to sell and others don’t, there is a real risk of unequal treatment if the process isn’t tightly regulated. The legal backbone for this comes from Section 68 of the Companies Act, 2013, read together with the SEBI (Buy-Back of Securities) Regulations, 2018 for listed companies. Together, these set out how much a company can buy back, where the money can come from, and how the process must be conducted so that no shareholder is unfairly disadvantaged.

The public announcement: step one of the compliance trail 🔗

Before a single share is purchased, the company has to make a public announcement, typically published in national newspapers, disclosing the buyback size, the price, the method chosen, and the timeline. This isn’t a formality. It is the mechanism through which every existing shareholder, whether they hold ten shares or ten lakh, gets simultaneous access to the same information. A draft letter of offer also has to be filed with SEBI well before it is dispatched to shareholders, giving the regulator a chance to review the disclosures for accuracy and completeness. This upfront transparency is what allows shareholders to make an informed choice about whether to participate.

The routes a company can take 🔗

SEBI guidelines, working alongside the Companies Act, recognise a few distinct methods for conducting a buyback. Each has its own procedure and its own trade-offs for both the company and its shareholders.

Tender offer to existing shareholders 🔗

This is the most common and most regulator-friendly route. The company invites all existing shareholders to tender their shares on a proportionate basis, at a fixed price disclosed in advance. Shareholders who tender under this route know exactly what price they will get if their shares are accepted, which is usually set at a premium to the prevailing market price. Because acceptance is proportionate to holding, small and large shareholders are treated on an equal footing.

Open market purchases 🔗

Here, the company buys its own shares directly from the stock exchange or through a book-building process, over an extended window, rather than through a one-time offer to every shareholder. Because purchases happen through ordinary market order-matching, there is no guarantee that any specific shareholder’s sell order will actually be picked up as part of the buyback. This uncertainty is precisely why the open market route has had a bumpy regulatory history in India. SEBI progressively tightened and eventually discontinued the stock exchange route from April 2025 over concerns that it favoured shareholders who could react fastest, before reintroducing it from August 2026 under stricter conditions once the underlying tax treatment of buybacks was brought closer in line with ordinary secondary-market transactions. This back-and-forth is a good example of how compliance frameworks evolve as market conditions and tax rules change.

Purchases from odd-lot holders 🔗

Odd lots are share quantities smaller than the exchange’s standard marketable lot, and holders of such lots often struggle to sell them at fair value in the regular market because of poor liquidity. Allowing companies to specifically buy back odd lots gives these shareholders an exit route they might not otherwise have.

Shares issued under employee stock option or sweat equity schemes 🔗

A company can also buy back securities that were originally issued to employees under a stock option or sweat equity scheme. This route typically comes into play when employees have exercised options and hold shares that the company wants to reacquire, for instance, as part of restructuring an employee ownership pool.

How long the offer must remain open 🔗

Once the letter of offer is dispatched, the buyback cannot stay open indefinitely, nor can it close too quickly for shareholders to react. Guidelines require that, depending on the method used, the offer remain open for a minimum of fifteen days and a maximum of thirty days. This window is a deliberate balancing act. Too short a period and shareholders, especially those who need time to consult family, brokers, or tax advisors, don’t get a fair chance to decide. Too long a period and the offer creates prolonged uncertainty in the stock price, since the market has to keep pricing in the possibility of the buyback succeeding or failing. Tender offers for listed companies are usually completed on the tighter end of this range, since faster settlement also reduces the risk of the offer price drifting far from the market price.

Who fixes the maximum buyback price 🔗

The maximum price at which shares will be bought back has to be locked in before the offer opens, and it is either approved by the shareholders through a resolution or by the board of directors, depending on the size of the buyback. Where the buyback exceeds a certain proportion of the company’s paid-up capital and free reserves, a special resolution passed by shareholders in a general meeting is mandatory. Smaller buybacks can be cleared through a board resolution alone. Either way, once the maximum price is fixed and disclosed in the public announcement, the company cannot revise it upward mid-offer, which protects shareholders from being lured in at one price and settled at a lower one.

What happens when shares are oversubscribed 🔗

It is common for shareholders to tender more shares than the company has actually offered to buy back, especially when the buyback price sits well above the market price. In such cases, acceptance is done on a proportionate basis rather than on a first-come-first-served basis. If a shareholder tenders 100 shares and the company can only accept 60% of tendered shares across the board, that shareholder gets 60 shares bought back and the remaining 40 are returned. A simplified example makes this clearer:

To make this proportionate system genuinely fair to small investors, SEBI has also carved out a specific reservation within the tender offer route. Under the applicable regulations, a fixed percentage of the buyback size is set aside exclusively for small shareholders, defined by the value of their holding rather than the number of shares, so that retail investors aren’t crowded out by large institutional tenders.

Why all of this adds up to compliance, not just paperwork 🔗

It’s easy to see these rules, the newspaper announcement, the fifteen-to-thirty-day window, the proportionate acceptance formula, as bureaucratic checkboxes. But each one closes a specific gap that could otherwise be exploited. Mandatory disclosure prevents companies from buying back shares quietly at the expense of uninformed shareholders. The fixed offer window prevents companies from timing the offer to benefit only alert or well-connected investors. Proportionate acceptance, backed by the small shareholder reservation, prevents large holders from squeezing out retail participants. Price caps fixed in advance, whether through a board or shareholder resolution, prevent companies from moving the goalposts once the offer is underway.

The rules keep evolving 🔗

One thing worth remembering as you study this topic is that SEBI guidelines on buybacks are not frozen in time. The open market route, for example, was steadily restricted and then withdrawn in 2025 because unequal order-matching outcomes and mismatched tax treatment between the company and shareholders created fairness concerns. Once the taxation of buyback proceeds shifted so that shareholders are taxed on their actual capital gains rather than companies bearing a separate buyback tax, SEBI’s board approved bringing the stock exchange route back under tighter conditions, including lower buyback limits and shorter completion timelines. For accounting students, this is a useful reminder that “guidelines” in corporate regulation are living rules, shaped by tax policy, market feedback, and shareholder experience, not static formulas to be memorised once and forgotten.

What do you think? If you were a small shareholder deciding whether to tender your shares in a buyback, would the fifteen-to-thirty-day window feel like enough time to weigh your decision, or would you want SEBI to build in more flexibility? And between the tender offer and open market routes, which one do you think genuinely protects small investors better?

References

1. https://www.sebi.gov.in/sebi_data/faqfiles/apr-2025/1745562493117.pdf
2. https://www.icicidirect.com/research/equity/finace/sebi-puts-restrictions-on-companies-opting-for-share-buyback-via-an-open-market-mechanism
3. https://www.moneylife.in/article/sebi-restores-open-market-share-buybacks-for-companies-through-stock-exchanges-from-1st-august/80991.html
4. https://corporate.cyrilamarchandblogs.com/2020/03/open-market-for-buy-backs-securities-sebi-key-considerations/
5. https://bhattandjoshiassociates.com/sebi-buyback-of-securities-regulations-2018-a-comprehensive-analysis/
6. https://www.business-standard.com/article/markets/sebi-reserves-15-for-small-investors-in-share-buybacks-112020800066_1.html
7. https://www.argus-p.com/updates/updates/sebi-re-introduction-of-open-market-buy-backs-through-stock-exchanges/