T Stamp (NASDAQ: IDAI) controller reports RSU tax-withholding share disposition

Rhea-AI Filing Summary

T Stamp Inc Financial Controller Ming Tracy reported a routine tax-withholding transaction involving company stock. On May 26, 2026, 126 shares of Class A Common Stock were withheld at $2.31 per share to cover taxes on a previously vested RSU award. After this non-market disposition, Tracy directly held 3,431 shares of Class A Common Stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Ming Tracy

Role Financial Controller

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock	126	$2.31	$291.06

Holdings After Transaction: Class A Common Stock — 3,431 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 126 shares Withholding price: $2.31 per share Shares held after transaction: 3,431 shares +2 more

5 metrics

Shares withheld for taxes 126 shares Tax-withholding disposition on May 26, 2026 for vested RSU

Withholding price $2.31 per share Value used for 126-share tax withholding

Shares held after transaction 3,431 shares Direct Class A Common Stock holdings after withholding

RSU vesting date January 2, 2026 RSU that triggered tax withholding vested on this date

RSU issuance date April 6, 2026 Shares from vested RSU were issued on this date

Key Terms

RSU, tax withholding requirements, Class A Common Stock, tax-withholding disposition

4 terms

RSU financial

"in connection with the RSU vested on 01/02/2026, and issued on"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

tax withholding requirements financial

"withheld by the Company to satisfy tax withholding requirements in connection"

Class A Common Stock financial

"security_title": "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

tax-withholding disposition financial

""transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Ming Tracy

(Last) (First) (Middle)

2550 REYNOLD RD SW

(Street)

ATLANTA GEORGIA 30331

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
T Stamp Inc [ IDAI ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/26/2026

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock(1)	05/26/2026		F		126	D	$2.31	3,431	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the additional number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vested on 01/02/2026, and issued on 04/06/2026.

Remarks:

	/s/ Lance Wilson on behalf of Tracy Ming through the Limited Power of Attorney dated 01/02/2025	05/28/2026
	** 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 4 (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.
* Form 4: SEC 1474 (03-26)

FAQ

What did T Stamp (IDAI) Financial Controller Ming Tracy report in this Form 4?

Ming Tracy reported a tax-withholding disposition of 126 shares of Class A Common Stock. The company withheld these shares to satisfy tax obligations related to a vested RSU award, rather than through an open-market sale.

Was the T Stamp (IDAI) insider transaction an open-market sale?

No, the 126-share transaction was a tax-withholding disposition, not an open-market sale. The company withheld shares at $2.31 each to cover taxes on an RSU that vested earlier and was issued in April 2026.

How many T Stamp (IDAI) shares does Ming Tracy hold after this transaction?

After the tax-withholding transaction, Ming Tracy directly holds 3,431 shares of T Stamp Class A Common Stock. This figure reflects the position reported immediately following the 126 shares withheld for tax obligations on the vested RSU.

What RSU event triggered the tax withholding for T Stamp (IDAI)?

The withholding relates to an RSU that vested on January 2, 2026 and was issued on April 6, 2026. When the RSU converted into shares, the company withheld 126 shares to satisfy income tax requirements for the award.

What does transaction code F mean in this T Stamp (IDAI) Form 4?

Transaction code F indicates a tax-withholding disposition or payment of exercise price or tax liability using securities. Here, it shows the company withheld 126 shares of Class A Common Stock to cover taxes on Ming Tracy’s vested RSU.