Offering RecordPre Ipo

Series OpenAI-3

Captured Jun 14, 2026
Offering amount

$749,400

Carried interest

0%

Structure

Spv

Minimum

$49,648

Summary

Series OpenAI-3 is a $749,400 equity offering structured as a special purpose vehicle listed on StartEngine.

The securities are offered under Rule 506(c).

The offering carries a 0% carried interest, and a minimum investment of $49,648.

Reg D Series of StartEngine Private LLC. Investor purchases Membership Interest at $936.75 per security; affiliate (StartEngine Advisers LLC) acquired underlying at $724.15 per share. Principal-trading spread: 29.36%. Underlying: OpenAI Global LLC. Source: deal page Terms section.

Terms shown here are drawn from direct platform disclosures and were captured by AltStreet on 2026-06-14. Figures are as disclosed at the time of the offering and are not updated for subsequent performance.

Disclosed Terms

Offering amount
$749,400
Structure
Spv
Carried interest
0%
Minimum investment
$49,648
Status
Funding closed
Exemption
Rule 506(c)
Underlying company
OpenAI Global LLC
Security held
​Special Purpose Vehicle (“SPV”) Interests with indirect economic interest in Series C Preferred Stock
Price per unit
$936.75
Affiliate purchase price
$724.15
Markup over affiliate price
29.36%
Units offered
800
Sold out
Yes
Eligibility
Qualified Purchaser

Terms as disclosed at the time of the offering. AltStreet does not update these figures for subsequent performance, and a disclosed rate is not a realized return.

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Questions About This Offering

What is Series OpenAI-3?

Series OpenAI-3 is a $749,400 equity offering structured as a special purpose vehicle listed on StartEngine. The securities are offered under Rule 506(c). The offering carries a 0% carried interest, and a minimum investment of $49,648.

What do investors in Series OpenAI-3 actually own?

Reg D Series of StartEngine Private LLC. Investor purchases Membership Interest at $936.75 per security; affiliate (StartEngine Advisers LLC) acquired underlying at $724.15 per share. Principal-trading spread: 29.36%. Underlying: OpenAI Global LLC. Source: deal page Terms section (v2 extraction). Investors hold an interest in the vehicle, not direct shares of the underlying company, which carries its own transfer, information, and fee implications.

Who is the issuer of Series OpenAI-3?

The offering relies on Rule 506(c), which permits advertising but limits sales to verified accredited investors.

How is Series OpenAI-3 priced?

Units are offered at $936.75 each. The platform's affiliate acquired the underlying ​special purpose vehicle (“spv”) interests with indirect economic interest in series c preferred stock at $724.15 per unit, so the offering price is 29.36% above the affiliate's purchase price. That spread is disclosed in the series' offering documents and is separate from any carried interest.

What is the minimum investment for Series OpenAI-3?

The disclosed minimum is $49,648. Eligibility, availability, and the current status of this offering are determined by StartEngine, not by AltStreet.

Is Series OpenAI-3 still open to investors?

AltStreet's record shows the offering as funding closed. AltStreet tracks this offering from platform disclosures, last captured 2026-06-14. Offering status changes without a corresponding filing in many cases, so current availability should be confirmed directly with StartEngine before acting.

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Sources & Related Research

AltStreet tracks this offering from primary sources and has no commercial relationship with the platform or issuer. Figures are as disclosed and may be incomplete; offering status changes without a corresponding filing in many cases. This page is informational and is not investment, legal, or tax advice, and it is not an offer to sell or a solicitation to buy any security.