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SPAC & IPO · Jun 22, 2026 · 6 min read · Registration Amended

OceanLight Acquisition Corp — $115M NYSE IPO in Registration

OceanLight Acquisition Corp filed its S-1 on June 16, 2026 and filed its first amendment two days later — one of the fastest S-1 to S-1/A turnarounds in the Luminark portfolio. The proposed $115M NYSE offering carries a rights-plus-warrant unit structure with Polaris Advisory Partners as underwriter and Celine and Partners, P.L.L.C. as company counsel.

Proposed Offering — Registration Amended
Company
OceanLight Acquisition Corp
Proposed Exchange
NYSE
Proposed Ticker
OCLTU (Units)
Proposed IPO Size
$115M (with overallotment)
Base Offering
$100M — 10M units @ $10
Unit Structure
1 share + 1/4 right + 1 warrant
Warrant Strike
$11.50 per share
Underwriter
Polaris Advisory Partners
Company Counsel
Celine and Partners, P.L.L.C.
Incorporation
Cayman Islands
SEC CIK
0002137679
Status
Registration Amended (S-1/A)
Status & Key Points
  • OceanLight is in registration as of June 2026. The S-1 was filed June 16 and the first amendment on June 18 — a two-day turnaround. The offering has not priced or closed.
  • The two-day S-1 to S-1/A gap is one of the fastest amendment turnarounds in the portfolio — indicating either a pre-submitted confidential draft that was already reviewed, or an issuer team that had the revision ready before the public filing date.
  • Each unit carries three components: one ordinary share, one right (converting to 1/4 share at deal close), and one full warrant exercisable at $11.50 post-combination.
  • OceanLight targets NYSE at $115M — a blank-check company structure with no acquisition target yet identified. The offering has not priced or closed.
  • Polaris Advisory Partners (Kingswood Capital Partners LLC) serves as underwriter and Celine and Partners, P.L.L.C. as company counsel.

Two-Day Amendment — Fast Registration Track

OceanLight filed its initial S-1 registration statement on June 16, 2026 and filed its first S-1/A amendment on June 18 — just two days later. That gap is unusually tight. In the broader SPAC registration universe, S-1/A amendments typically respond to formal SEC staff comments, which are issued after a review period that often spans several weeks. A two-day amendment cycle suggests one of two things: either OceanLight filed the amendment proactively to incorporate changes the issuer team had already prepared, rather than in response to a formal comment letter; or OceanLight submitted a confidential DRS that allowed the SEC staff review to begin early — with the public S-1 and the first amendment landing almost simultaneously.

Neither filing pattern is unusual for experienced SPAC teams. What it does signal is a team that is operationally prepared and moving with urgency. The EDGAR record shows only two filings (S-1 and one S-1/A) as of the publication date of this article; additional amendments will follow as the SEC comment cycle continues toward effectiveness.

Unit Structure — Rights, Warrants, and the $11.50 Threshold

Each OceanLight unit proposed in the S-1 carries three distinct equity components. The first is an ordinary share of the Cayman Islands exempted company. The second is a right that converts automatically into one-quarter (1/4) of one ordinary share at the time of a successful business combination closing — mandatory, unconditional, no exercise decision required. The third is a full warrant exercisable at $11.50 per share following the business combination.

The coexistence of both a right and a full warrant in OceanLight’s unit structure creates two distinct equity components. The right gives the holder a fixed dilution outcome: 1/4 of a share, mandatory, unconditional at deal close. The warrant gives the holder optionality: the ability to acquire a full share at $11.50, but only if the post-combination share price reaches that level. For the merger target, the combined structure creates more post-close cap table complexity than a pure-rights vehicle, since the warrant introduces an uncertain dilution layer that persists until exercise, expiry, or exchange.

Portfolio Position — Active Registration

OceanLight filed in June 2026 and is in the early stages of SEC registration review. The vehicle has not yet priced, funded its trust, or announced an acquisition target.

Luminark Holdings LLC tracks OceanLight as part of its active SPAC portfolio, investing as a principal across structuring, SEC registration, and the capital-markets process that connects SPAC vehicles to their eventual merger targets. OceanLight represents an active vehicle in the pipeline that has not yet announced a target — a clean blank-check company with a funded trust (pending IPO completion) and an NYSE listing mandate. Contact Luminark Holdings to discuss the portfolio pipeline.

SEC Filing Timeline

Jun 16, 2026
S-1 Registration Statement Filed
Initial S-1 filed publicly with the SEC, proposing a $100M base ($115M with overallotment) NYSE SPAC IPO incorporated in the Cayman Islands. Units to trade under OCLTU.
Jun 18, 2026
S-1/A Amendment No. 1 Filed
First amendment filed two days after the initial S-1 — one of the fastest S-1 to amendment turnarounds in the portfolio. Registration remains under SEC staff review; effectiveness declaration and pricing date pending.
Sources
SEC EDGAR CIK 0002137679 — OceanLight Acquisition Corp filings (S-1, S-1/A)
SEC EDGAR full-text search — filing history and amendment tracking
Disclaimer: This article is for informational and educational purposes only. It does not constitute investment advice or a recommendation to buy or sell any securities. OceanLight Acquisition Corp has not yet completed its IPO; this article is based on registration statements filed with the SEC which are subject to change. Information is drawn from public SEC filings. Investors should conduct their own due diligence and consult with qualified financial advisors before making investment decisions.

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