Latest / The Startup Exit Podcast with Fexingo: IPOs, Acquisitions, and Founder Liquidity Events / How Founders Use IPO Over-Allotment Options for Price Stability
Transcript
- Lucas: If you're a founder about to ring the bell, there is one clause in the underwriting agreement that can make or break your first month as a public company. It's called the greenshoe, or the over-allotment option. And it is surprisingly misunderstood. Luna: I've heard the term thrown around, but I think most founders treat it as boilerplate. What does it actually do? Lucas: Let me walk through it. When an investment bank underwrites your IPO, they typically sell about 15 percent more shares than the company originally planned. They borrow those extra shares from existing shareholders — often the founders themselves or early investors. Then they sell them into the offering. Luna: So they're creating a short position. That seems risky. Lucas: That's exactly right. The underwriter is now short those borrowed shares. If the stock price goes up after the IPO, they have to buy them back in the open market at a higher price, which costs them money. But if the stock price falls, they can buy them back cheaper, covering their short and pocketing the difference. That buying activity also props up the price. Luna: So it's essentially a price stabilization mechanism. And the founders get to decide how big that greenshoe is? Lucas: Within limits. The standard is 15 percent of the offering size, but we're seeing more companies negotiate for 20 percent, especially in volatile markets. Look at the past week — Palantir up five point two percent in five days, Tesla down seven and a half percent. If you're pricing an IPO into that kind of crosscurrent, you want a bigger cushion. Luna: Right. So the greenshoe lets the underwriter intervene if the stock starts sliding. How does that play out in practice? Lucas: Let's use a concrete example. Back in 2012, when Meta — then Facebook — went public, the stock opened at 38 dollars, stumbled, and within days was trading in the mid-twenties. The underwriters had a greenshoe, but they didn't exercise it aggressively enough, at least initially. Critics said they could have stabilized the price better. By contrast, Alibaba's 2014 IPO — the largest ever at 25 billion — had a greenshoe that was fully exercised. The stock stayed relatively stable. Luna: So size matters. But also the willingness of the underwriter to actually use it. Lucas: Exactly. The greenshoe is optional. The underwriter decides whether to exercise it based on market conditions. If demand is strong and the stock pops, they let the option expire and the short position is covered at a loss. But if the stock starts to dip, they step in. That buys the company time to build a natural investor base. Luna: What about the founders themselves? They're often the ones lending the shares for the over-allotment. What's in it for them? Lucas: They get a loan fee, typically a small percentage of the value. But more importantly, they have a vested interest in a stable aftermarket. If the stock craters, their remaining holdings lose value, and employee morale takes a hit. So lending those shares is a way to enable the stabilization that protects everyone. Luna: Makes sense. Now, the greenshoe gets its name from the Green Shoe Manufacturing Company, which first used it in 1919. That's a fun piece of trivia. Lucas: It is. And that company later became part of Stride Rite, but the name stuck. The official term is 'over-allotment option,' but everyone calls it the greenshoe. Luna: So for founders preparing for an IPO today — July 2026 — what should they be asking their bankers? Lucas: Three things. One: negotiate the size. Don't just accept 15 percent; ask for 20 if your deal is in a volatile sector. Two: understand the mechanics of the share lending agreement — who lends, for how long, and at what fee. Three: have a clear communication plan with your underwriter about when and how they intend to use the greenshoe. Luna: Because the last thing you want is to be surprised on the first day of trading. Lucas: Right. And one more nuance: the greenshoe can also be used in follow-on offerings, not just IPOs. So even after you're public, if you do a secondary offering, the same tool is available. Luna: Let's tie it back to broader strategy. A lot of founders we talk to are worried about leaving money on the table. They want a high IPO price. But the greenshoe is really about protecting the aftermarket, not maximizing the offering price. Lucas: That's a crucial distinction. If you price too high and the stock drops, the greenshoe can only do so much. It's not a magic wand. It's a shock absorber. The best approach is to price realistically and have a solid greenshoe in place. Luna: Speaking of things that are worth investing in — and I don't mean stock — these episodes are possible because listeners chip in a few bucks a month. If you find this podcast useful for what you're building or running, buying us a coffee genuinely helps keep it ad-free. Lucas: Yeah, it's not a big ask. Even a couple of dollars makes a difference. That's buy me a coffee dot com slash fexingo. Appreciate everyone who's already supported. Luna: Alright, back to exits. Lucas, what's a less common use of the greenshoe that founders should know about? Lucas: There's something called the 'naked' greenshoe, where the underwriter creates a short position without actually borrowing shares. That's riskier and subject to regulatory constraints. But in some jurisdictions, it's used for additional stabilization. Not something you'd want as a standard, but good to know exists. Luna: Interesting. And in today's environment, with interest rates still elevated and the IPO window cautiously open, the greenshoe might be more important than ever. Lucas: Absolutely. We're seeing deals where the greenshoe is being exercised more aggressively because the aftermarket is fragile. Founders should treat it as a strategic tool, not just a checkbox. Your underwriter's willingness to use it is a signal of their commitment to your stock. Luna: So for episode 100, that's our take: don't overlook the greenshoe. Know the mechanics, negotiate the size, and stay involved. Lucas: Exactly. Next time, we'll look at how founders use lockup agreements strategically to manage post ipo selling pressure. Until then, keep building.