Piggyback registration is the right that lets preferred stockholders include their shares in any registration statement the company files. It applies to the company's own offerings (IPO, follow-on, secondary) or to other holders' demand registrations, is generally unlimited in number, and is subject to underwriter cutbacks that can reduce or eliminate piggyback allocations in oversubscribed offerings. It is the more flexible and frequently exercised of the registration rights, particularly valuable to investors who want to participate in selling alongside the company without forcing their own demand registration.
The mechanic of a piggyback registration:
The underwriter cutback: in oversubscribed offerings (where total demand exceeds the offering size the underwriter thinks the market can absorb), allocations are cut back. Standard NVCA cutback ordering:
In a heavily oversubscribed offering, piggyback holders may end up with zero allocation despite electing to participate. The IPO-specific cutback: IPO offerings have particularly aggressive cutbacks because underwriters typically want most or all of the offering to be primary (company-issued) shares, not secondary (existing holder) shares. Piggyback allocations in IPOs are often very limited or eliminated.
Why piggyback is more frequently exercised than demand:
The practical outcome: most secondary selling by preferred investors post-IPO happens via piggyback on follow-on offerings or via direct selling under Rule 144 once they qualify, not via demand registrations.
Piggyback rights are the routine ones: investors get to sell alongside a company registration without forcing their own. The standard NVCA terms are reasonable, so your whole job is verifying the cutback order is standard (company first, then demanding holders, then piggyback holders pro-rata) and refusing anything that puts piggyback holders ahead of the company. Standard piggyback costs you almost nothing. A non-standard version that jumps the company in line can wreck your own offering exactly when you need it.
What founders get wrong: Granting non-standard piggyback rights without understanding the IPO/offering implications. Standard NVCA piggyback (subject to standard cutbacks) is reasonable; expanded piggyback that puts holder shares ahead of the company in cutback ordering can disrupt the company's ability to raise capital efficiently. The right discipline: conform piggyback language to NVCA standard, verify the cutback waterfall puts company shares first, and resist non-standard expansions.
Related: Registration Rights · Demand Registration · S-3 Registration · IPO · Preferred Stock
What is a piggyback registration?
A registration right that allows preferred stockholders to include their shares in any registration statement the company files for its own offerings or for other holders' demand registrations. Exercised by giving notice within a defined window. Generally unlimited in number but subject to underwriter cutbacks if oversubscribed.
How does the underwriter cutback work?
In oversubscribed offerings, allocations are cut back in defined order: company first (in company-initiated offerings), then demanding holders (in demand-triggered registrations), then piggyback holders pro-rata. In heavily oversubscribed IPOs, piggyback allocations may be reduced to zero.
Why is piggyback more frequently exercised than demand?
Because piggyback has no count limits, no minimum-size requirements, lower coordination cost (individual decision rather than group threshold), and no friction with the company (no contentious demand process). Most preferred-investor secondary selling post-IPO happens via piggyback or Rule 144, not via demand registrations.
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