Full Definition
Tag-along rights (also called co-sale rights or piggyback rights) allow minority shareholders to participate alongside a majority or controlling shareholder in a sale of their shares to a third party—ensuring that if the controlling shareholders find a buyer for their shares, minority shareholders can also sell their shares on the same terms. Tag-along rights prevent the situation where a controlling shareholder sells their controlling stake to a new party, leaving minority shareholders locked into a business with a new controlling party they did not choose, at economic terms they could not negotiate independently. Tag-along provisions define who can exercise the right (all shareholders, or specific classes like preferred investors and management), what transactions trigger the right (any sale by controlling shareholders above a defined threshold, or specific types of transfers), and the mechanics of exercise (how quickly minority shareholders must notify the controlling shareholder of their intention to tag, how many shares they can include in the tag, and how the third-party buyer is informed of the tag-along obligation). Tag-along provisions also specify what happens if the third-party buyer is unwilling to acquire additional shares from tagging shareholders—typically the controlling shareholder must reduce their sale proportionally to accommodate the tagging minority shareholders or decline to consummate the transaction. Tag-along rights protect minority shareholders from information asymmetry and negotiating disadvantage. In a private company, minority shareholders typically lack the information and leverage to independently negotiate sales of their stakes to third parties—they are dependent on the same market access and buyer relationships that the controlling shareholders use. Tag-along rights give minority shareholders the right to benefit from the deal terms that the controlling shareholders—who have greater leverage and information—negotiate, rather than having to accept whatever terms a buyer might offer for a minority stake or having to sell at a discount to their pro-rata value.
FAQs
What is the difference between tag-along rights and co-sale rights?
Tag-along rights and co-sale rights are different names for the same concept in most legal drafting—both refer to the minority shareholder's right to participate in a controlling shareholder's sale on the same terms. Some practitioners distinguish them by context: 'tag-along' is more commonly used in PE and late-stage company contexts; 'co-sale' is more commonly used in early-stage venture contexts (particularly in investor rights agreements alongside ROFR rights). Functionally, both terms describe the same protective mechanism.
Can tag-along rights prevent a controlling shareholder from selling?
Tag-along rights don't prevent a sale—they require the buyer to also acquire shares from tagging minority shareholders on the same terms. If the buyer is unwilling to purchase the additional shares (because they wanted only a specific number of shares, or because the additional purchase creates deal economics problems), the controlling shareholder must either reduce the number of shares they sell pro-rata to accommodate the tag, or decline to proceed with the transaction. In practice, most buyers factor tag-along obligations into deal sizing and are willing to acquire shares from tagging shareholders if properly disclosed in advance of the deal structure.
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