S-K 1602, SPAC Registered Offerings

Apr. 23, 2026

SPAC Offering Forepart, De-SPAC Consummation Timeframe

24 months

SPAC Offering Forepart, De-SPAC Consummation Timeframe Description [Text Block]

If we do not consummate an initial business combination within 24 months from the closing of this offering or our board of directors approves an earlier liquidation, we will redeem 100% of the public shares for cash, subject to applicable law and certain conditions as described herein. We may seek shareholder approval to amend our amended and restated memorandum and articles of association to extend the date by which we must consummate our initial business combination. If we seek shareholder approval for an extension, and the related amendments are implemented by the directors, holders of our public shares will be offered an opportunity to redeem their shares.

SPAC Offering Forepart, De-SPAC Consummation Timeframe May be Extended [Flag]

true

SPAC Offering Forepart, Security Holders Have the Opportunity to Redeem Securities [Flag]

true

SPAC Offering Forepart, Security Holder Redemptions Subject to Limitations [Flag]

true

SPAC Offering Forepart, Sponsor Compensation Material Dilution [Flag]

true

SPAC Offering Forepart, Adjusted Net Tangible Book Value Per Share [Table Text Block]

The following table illustrates the difference between the public offering price and our net tangible book value (NTBV), as adjusted to give effect to this offering and assuming the redemption of our public shares at varying levels and the exercise in full and no exercise of the underwriter’s over-allotment option.

See “

Summary — Dilution” and “Dilution

” for more information.


As of February 25, 2026
Offering Price of $10.00 per Share	25% of Maximum Redemption				50% of Maximum Redemption				75% of Maximum Redemption				Maximum Redemption
NTBV	NTBV		Difference between NTBV and Offering Price		NTBV		Difference between NTBV and Offering Price		NTBV		Difference between NTBV and Offering Price		NTBV		Difference between NTBV and Offering Price
Assuming Full Exercise of Over-Allotment Option
$ 8.22		7.80		2.20		7.11		2.89		5.80		4.20		2.28		7.72
Assuming No Exercise of Over-Allotment Option
$ 8.21		7.79		2.21		7.11		2.89		5.84		4.16		2.54		7.46

SPAC Offering Forepart, Actual or Material Conflict of Interest [Flag]

true

SPAC Offering Prospectus Summary [Line Items]

De-SPAC Consummation Timeframe, Duration

24 months

De-SPAC Consummation Timeframe, Plans if it Fails [Text Block]

De-SPAC Consummation Timeframe May be Extended [Flag]

true

De-SPAC Consummation Timeframe, How Extended [Text Block]

If we seek shareholder approval for an extension, and the related amendments are implemented by the directors, holders of our public shares will be offered an opportunity to redeem their shares.

De-SPAC Consummation Timeframe, Limitations on Extensions [Text Block]

There is no limit on the number of extensions that we may seek

De-SPAC Consummation Timeframe, Extension Failure, Consequences to Sponsor [Text Block]

If we determine not to extend, or fail to obtain shareholder approval to extend, the time period to consummate our initial business combination, and the time to consummate our initial business combination expires, our sponsor’s investment in our founder shares and our private placement shares will be worthless.

De-SPAC Consummation Timeframe Extension, Security Holders Voting or Redemption Rights [Flag]

true

Research Alliance Corp III S-1/A