Armada Acquisition Corp. III (AACIU) director granted 85,000 Class B shares

Rhea-AI Filing Summary

Armada Acquisition Corp. III director Thomas A. Decker reported beneficial ownership of 85,000 Class B Ordinary Shares. These shares have no expiration date and will automatically convert into Class A Ordinary Shares at the issuer's initial business combination, or earlier at Decker's option, on a one-for-one basis.

All 85,000 Class B shares were granted under a Securities Assignment Agreement dated December 15, 2025. Of this amount, 8,500 Class B shares vested on February 19, 2026, defined as the Closing Date, and the remaining 76,500 shares vest in six equal quarterly installments through the 18‑month anniversary of the Closing Date.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Decker Thomas A

Role Director

Type	Security	Shares	Price	Value
holding	Class B Ordinary Shares	--	--	--

Holdings After Transaction: Class B Ordinary Shares — 85,000 shares (Direct)

Footnotes (1)

1. The Class B Ordinary Shares have no expiration date and will automatically convert into Class A Ordinary Shares at the time of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis. The 85,000 Class B Ordinary Shares were granted pursuant to the Securities Assignment Agreement, dated December 15, 2025, by and between the Reporting Person, the Issuer, and Armada Sponsor III LLC, of which 8,500 Class B Ordinary Shares vested on February 19, 2026 (the "Closing Date") and the remaining 76,500 Class B Ordinary Shares vest in six equal quarterly installments through the 18-month anniversary of the Closing Date.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
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hours per response:			0.5

1. Name and Address of Reporting Person^*

Decker Thomas A

(Last) (First) (Middle)

C/O ARMADA ACQUISITION CORP. III

1760 MARKET STREET, SUITE 602

(Street)

PHILADELPHIA PA 19103

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/17/2026

3. Issuer Name and Ticker or Trading Symbol
Armada Acquisition Corp. III [ AACIU ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B Ordinary Shares	(1)	(1)	Class A Ordinary Shares	85,000(2)	(1)	D

Explanation of Responses:

1. The Class B Ordinary Shares have no expiration date and will automatically convert into Class A Ordinary Shares at the time of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis.

2. The 85,000 Class B Ordinary Shares were granted pursuant to the Securities Assignment Agreement, dated December 15, 2025, by and between the Reporting Person, the Issuer, and Armada Sponsor III LLC, of which 8,500 Class B Ordinary Shares vested on February 19, 2026 (the "Closing Date") and the remaining 76,500 Class B Ordinary Shares vest in six equal quarterly installments through the 18-month anniversary of the Closing Date.

Remarks:

No securities are beneficially owned.

	/s/ Thomas A. Decker	02/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What equity stake did Thomas A. Decker report in Armada Acquisition Corp. III (AACIU)?

Thomas A. Decker reported beneficial ownership of 85,000 Class B Ordinary Shares of Armada Acquisition Corp. III. These shares were granted under a Securities Assignment Agreement and are subject to a specified vesting schedule tied to the transaction Closing Date.

How do Armada Acquisition Corp. III (AACIU) Class B Ordinary Shares convert to Class A shares?

The Class B Ordinary Shares automatically convert into Class A Ordinary Shares at the time of Armada Acquisition Corp. III's initial business combination, or earlier at the holder's option, on a one-for-one basis. The Class B shares have no expiration date before this conversion.

What is the vesting schedule for Thomas A. Decker’s 85,000 Class B shares of AACIU?

Of the 85,000 Class B Ordinary Shares granted to Thomas A. Decker, 8,500 vested on February 19, 2026, the Closing Date. The remaining 76,500 shares vest in six equal quarterly installments through the 18‑month anniversary of that Closing Date.

When were Thomas A. Decker’s Armada Acquisition Corp. III Class B shares granted?

The 85,000 Class B Ordinary Shares reported by Thomas A. Decker were granted pursuant to a Securities Assignment Agreement dated December 15, 2025, involving the reporting person, Armada Acquisition Corp. III, and Armada Sponsor III LLC.

Do Armada Acquisition Corp. III (AACIU) Class B Ordinary Shares have an expiration date?

The Class B Ordinary Shares have no expiration date. They remain outstanding until they automatically convert into Class A Ordinary Shares at the initial business combination, or earlier at the option of the holder, using a one-for-one conversion ratio.

What role does Thomas A. Decker hold at Armada Acquisition Corp. III (AACIU)?

Thomas A. Decker is reported as a director of Armada Acquisition Corp. III. His Form 3 filing details his beneficial ownership and vesting terms for 85,000 Class B Ordinary Shares linked to a Securities Assignment Agreement.