SPAC Warrants: Strike Price, Redemption Triggers, and Dilution Risk

Key Takeaways

• A SPAC warrant gives the holder the right to buy one share at $11.50 for five years after the business combination, but only becomes valuable if the combined stock rises above that level.
• The $18 / 20-of-30 redemption trigger can force exercise within 30 days or result in a $0.01 payout, FINRA identified this as the single largest source of SPAC warrant investor complaints.
• The SEC's April 2021 staff statement reclassified most SPAC warrants from equity to liabilities, causing mark-to-market charges to flow through the income statement every quarter.
• Warrants in a failed SPAC that liquidates expire worthless; only common shareholders receive the $10 trust proceeds.

What It Is

A SPAC warrant is a contractual right, issued by a SPAC at IPO, to buy one share of the SPAC's (later the combined company's) common stock at a fixed strike price, usually $11.50, for a fixed period after the business combination closes, usually five years. Warrants come in two flavors:

Public warrants are issued as part of the IPO units. Each $10 unit typically includes one share and a fraction (one-half, one-third, or one-quarter) of a warrant. Units separate into component shares and warrants roughly 52 days after the IPO, and the warrants begin trading under their own ticker.

Private placement warrants (sponsor warrants) are purchased by the sponsor at IPO, commonly at $1.00 or $1.50 per warrant, on terms slightly different from the public warrants. Private warrants often cannot be redeemed while held by the sponsor, and they sometimes offer cashless exercise at the holder's option.

The Intuition

SPAC IPO buyers are paying $10 for something close to a Treasury bill with a call option on a future deal. The warrant is the call option. If the sponsor finds a hot target and the combined stock runs above $11.50, the warrant becomes valuable leverage on that outcome. If no deal closes or the combined stock languishes below $11.50, the warrant quietly erodes against the holder.

For the sponsor, warrants are part of the incentive stack alongside the promote. They are only valuable if a deal closes and performs. For public unit buyers, the warrant piece is why a $10 SPAC IPO is not simply a Treasury trade: it is a Treasury trade plus an option that might matter later.

How It Works

Four mechanics define a typical SPAC warrant.

1. Strike and term. Strike is almost always $11.50, set at a 15 percent premium to the $10 unit price. Warrants become exercisable on the later of 30 days after the business combination or 12 months after IPO. They expire five years after the business combination.

2. Redemption clause. If the combined company's common stock closes at or above $18.00 for 20 trading days in any 30-day window, the company can call the public warrants for $0.01 per warrant on 30 days' notice. Holders who miss the notice or fail to exercise in time get the penny, not the intrinsic value. FINRA has flagged this as the single largest source of SPAC warrant complaints.

3. Cashless exercise. Standard warrant agreements permit (or require, in a redemption scenario) cashless exercise, where the holder receives a net number of shares computed from a pre-defined formula. The sponsor warrants sometimes offer cashless exercise on regular exercise as well as in redemption.

4. Accounting classification. The SEC staff statement issued in April 2021 reclassified most SPAC warrants from equity to liability for GAAP purposes. Liability-classified warrants must be marked to fair value every quarter, with the change running through the income statement. This reclassification forced a wave of restatements across SPACs whose warrant agreements contained indexation or settlement provisions that failed the ASC 815-40 equity classification test.

Worked Example

BlankCheck V IPOs at $10 per unit. Each unit contains one common share and one-half of a warrant. Three million units are sold for $30 million (a tiny SPAC for clarity). Public warrants: 1.5 million outstanding, strike $11.50, expiry five years after merger.

Fourteen months later the SPAC announces a merger with a private EV charging company. The stock trades at $10.05 before the announcement and $12.40 after. The deal closes three months later. Post-merger, the stock runs to $20 on sector enthusiasm and stays above $18 for 20 of 30 trading days. The company issues a redemption notice at $0.01 per warrant. Holders have 30 days to either (a) exercise for cash at $11.50 and receive one share, or (b) use cashless exercise and receive a net share count per the formula, typically worth a fraction of a full share at the redemption trigger. Holders who ignore the notice receive $0.01 per warrant while their warrants would have been worth $8.50 each in cash-exercise intrinsic value. The company moves 1.5 million warrants off the balance sheet and onto the share count, adding dilution.

Common Mistakes

1. Missing the redemption notice. FINRA has repeatedly warned investors that the $18 / 20-of-30 redemption trigger is the single most common reason SPAC warrant holders lose value. Notices go by SEC filing and brokerage communication. Holders who do not check either risk receiving a penny per warrant.

2. Treating warrants like shares. Warrants are not equity until exercised. They have no voting rights, no dividend rights, and they expire. The 5-year clock plus the $18 cap makes the payoff asymmetric.

3. Ignoring the liability classification. Post-2021, warrant fair-value changes flow through the income statement of the combined company. A rising stock price can trigger a large non-cash warrant expense that confuses GAAP earnings in the quarters after a successful merger.

4. Confusing public and sponsor warrants. They trade differently, have different transfer restrictions, and sometimes different redemption terms. Reading a sponsor-warrant purchase agreement and assuming it describes the public warrants is a common error.

5. Assuming warrants survive a failed SPAC. If the SPAC liquidates without a business combination, public warrants expire worthless and sponsor warrants expire worthless. The $10 trust is returned to shareholders only, not to warrant holders.

Frequently Asked Questions

Q: What are SPAC warrants in simple terms? SPAC warrants are call options issued as part of the SPAC IPO that let holders buy one share at $11.50 for five years after the merger closes. They trade separately from the common shares and are only worth anything if the combined stock rises meaningfully above the $11.50 strike.

Q: How do SPAC warrants affect investment decisions? Warrants create ongoing dilution pressure once the stock trades above $11.50, and the forced-redemption feature at $18 means holders must actively monitor filings and exercise before the 30-day notice window closes, or receive only $0.01 per warrant. Ignoring the redemption mechanism is by far the most costly SPAC warrant mistake.

Q: What is a real-world example of SPAC warrants? BlankCheck V had 1.5 million public warrants outstanding. When the combined stock ran to $20 and stayed above $18 for 20 of 30 trading days, the company issued a $0.01 redemption notice. Holders who missed the 30-day window forfeited $8.50 of intrinsic value per warrant, the difference between the $20 market price and the $11.50 strike.

Q: How can investors use knowledge of SPAC warrants? Setting up EDGAR alerts for Form 8-K filings from any SPAC holding is the most reliable way to catch a redemption notice within the 30-day response window. Also watch for the post-2021 liability classification impact on combined-company GAAP earnings, where warrant fair-value changes can inflate or deflate reported net income.

Q: How are SPAC warrants different from convertible notes? Both are call options on equity embedded in a broader instrument, but the mechanics differ materially. SPAC warrants are standalone tradeable instruments with a fixed strike, a redemption trigger, and a five-year term. Convertible notes are debt instruments where conversion gives the holder shares at a premium to the issue price, with no forced-redemption clause and no separate warrant market.

Sources

1. FINRA. "SPAC Warrants: 5 Tips to Avoid Missed Opportunities." https://www.finra.org/investors/insights/spac-warrants-5-tips
2. SEC Staff. "Staff Statement on Accounting and Reporting Considerations for Warrants Issued by Special Purpose Acquisition Companies (SPACs)." https://www.sec.gov/newsroom/speeches-statements/accounting-reporting-warrants-issued-spacs
3. Pillsbury Winthrop Shaw Pittman LLP. "SPAC FAQs: SEC Staff Statement on Accounting Issues for SPAC Warrants." https://www.pillsburylaw.com/en/news-and-insights/sec-staff-statement-on-accounting-issues-for-spac-warrants.html
4. EisnerAmper. "SPAC Warrants and 8 Frequently Asked Questions." https://www.eisneramper.com/insights/financial-services/spac-warrants-faqs-0421/

Disclaimer

This article is educational content only and is not financial advice. Nothing here is a recommendation to buy, sell, or hold any security. Consult a licensed advisor before making investment decisions.