Hostile takeover

A board can say no. But a board does not own the company — the shareholders do. So a buyer that has been turned down can go over the board's head and put the offer to the owners directly. That is a hostile takeover.

Hostile means hostile to the board, not to the company and not to the staff. The buyer usually wants the business to keep working. What it does not have is the board's help.

And that missing help costs a great deal. The buyer cannot look at the books. It cannot ask management anything. Everything it says about the company has to come from public filings, which everybody can already read. So it is arguing that it knows better than the people who run the place, using only the information those people chose to publish.

The target fights back in public: it says the offer is too low, it publishes its own plan, and sometimes it finds a different buyer it likes more. Both sides then spend weeks talking to the same large shareholders. Those shareholders decide.

Building a stake, and where that stops

A bidder often buys shares in the market first. It is cheaper than the offer price, it puts a block of votes in friendly hands, and if the bid fails those shares can be sold — sometimes at a profit, if somebody else buys the company.

It stops at the disclosure threshold. Every listed market requires a holding above a stated level to be declared publicly, and some require the bidder to say what it intends. Crossing that line ends the surprise, so stake-building is fast, quiet and finished before anybody announces anything.

What the target does

• Argues the price is wrong, usually by publishing a plan it had not previously published — which invites the obvious question of why not.
• Finds a white knight: a friendlier buyer, often at a higher price, because a competitive situation is exactly what raises the number.
• Uses whatever structural defences the jurisdiction allows. These differ enormously. Some markets permit poison pills and staggered boards; others prohibit almost any defensive action once an offer is live, on the principle that only shareholders may decide.
• Runs down the clock. Where a regulator imposes a fixed timetable, delay is a weapon for whichever side benefits from it.

The regulator's clock

Takeover regimes exist largely to stop a company being besieged indefinitely. A named bidder is typically required to announce a firm offer or walk away within a fixed period, and a bidder that walks away is usually barred from returning for a stated time. That converts an approach into a decision, which is why bidders resist being named and targets sometimes name them deliberately.

Proxy advisers

A large part of the institutional register votes according to published recommendations. Those recommendations are not a vote and they are close to decisive, which is why both sides brief them and why their publication date is one of the fixed points in any contested situation. See activist campaigns, where the same machinery decides a different question.

Why most hostile bids do not end hostile

They end in one of three ways, and only the first is what the bidder set out to do. The offer is accepted; the board settles and recommends a higher price; or somebody else buys the company. A hostile approach is therefore frequently a way of forcing a sale rather than a way of winning one — and a board that fights hard and then recommends a raised offer has usually done its job.

The bidder's cost of that outcome is real: it has spent months and fees, and it has told the market its maximum. A bidder that says a price is final and then raises it has a credibility problem the next time; in several jurisdictions saying "final" is binding.

The information asymmetry, priced

A hostile bidder cannot do confirmatory diligence, so it is buying whatever is in the accounts plus whatever is not. It prices that by bidding below what it would pay with access, which is exactly the argument the target makes about the offer being too low. Both sides are right, and the gap between them is the value of the information the board is withholding.

This is why a board that refuses access has, in practice, already decided the outcome of most financial bids — see the take-private, where a sponsor without diligence has nothing to commit its lenders to.

The minimum acceptance condition

A bidder names the level of acceptances below which it will not proceed. Setting it at the squeeze-out threshold means all or nothing. Setting it at a bare majority means the bidder may end up with control and a large minority it cannot remove, cannot fully consolidate for some purposes, and now has to live with — see the squeeze-out for what is available afterwards and what is not.

What this transaction is genuinely for

The existence of hostile bids is a governance mechanism, whatever anybody thinks of individual cases. A board that can never be removed by a buyer is a board accountable only to itself. That is the argument for permitting them; the argument against is that a bidder with a year's horizon can dismantle something with a decade's. Both are real, both are made in good faith, and this page takes no position on either — it describes what happens.

The formulas above are standard textbook formulations, simplified for teaching. They explain the mechanism — they are not a valuation tool, and they will not reproduce a dealer’s price.