MAIA CEO Vitoc Vlad buys 72,700 company shares

MAIA Biotechnology, Inc. Chief Executive Officer and director Vitoc Vlad reported an open-market purchase of 72,700 shares of common stock.

Rhea-AI Filing Summary

MAIA Biotechnology, Inc. Chief Executive Officer and director Vitoc Vlad reported an open-market purchase of 72,700 shares of common stock. The shares were bought at a weighted average price of $1.3877 per share, across multiple trades priced between $1.3634 and $1.4150.

Following this purchase, Vlad directly holds 976,121 shares of MAIA common stock. The filing also notes an additional 210,100 shares of common stock beneficially owned by his spouse, for which he disclaims beneficial ownership except to the extent of his pecuniary interest.

Insider Trade Summary

Net Buyer: 72,700 shares

Net Buy 2 txns

Insider Vitoc Vlad

Role Chief Executive Officer

Bought 72,700 shs ($101K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	72,700	$1.3877	$101K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 976,121 shares (Direct); Common Stock — 210,100 shares (Indirect, See Footnote)

Footnotes (2)

1. F1. The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.3634 to $1.4150, inclusive. The Reporting Person undertakes to provide to the staff of the Securities and Exchange Commission, to any security holder of the issuer, or to the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.
2. F2. These securities are beneficially owned by Mr. Vitoc's spouse. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Key Figures

Shares purchased: 72,700 shares Weighted average purchase price: $1.3877 per share Price range of trades: $1.3634–$1.4150 per share +2 more

5 metrics

Shares purchased 72,700 shares Open-market purchase of common stock

Weighted average purchase price $1.3877 per share Average cost for 72,700 purchased shares

Price range of trades $1.3634–$1.4150 per share Range for multiple purchase transactions

Direct holdings after purchase 976,121 shares Common stock directly owned post-transaction

Indirect spouse holdings 210,100 shares Beneficially owned by spouse; Vlad disclaims ownership except pecuniary interest

Key Terms

open-market purchase, weighted average price, beneficially owned, pecuniary interest

4 terms

open-market purchase financial

"Purchase in open market or private transaction"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

weighted average price financial

"The price reported is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

beneficially owned financial

"These securities are beneficially owned by Mr. Vitoc's spouse."

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

pecuniary interest financial

"disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did MAIA (MAIA) report for CEO Vitoc Vlad?

MAIA reported that CEO Vitoc Vlad bought 72,700 shares of common stock in an open-market purchase. The filing shows this as a direct ownership increase and provides updated post-transaction holdings and pricing details for the transaction.

At what price did MAIA CEO Vitoc Vlad purchase his new MAIA shares?

Vitoc Vlad purchased 72,700 MAIA shares at a weighted average price of $1.3877 per share. The trades occurred in a range between $1.3634 and $1.4150, as disclosed in the transaction footnote.

How many MAIA shares does CEO Vitoc Vlad own after this Form 4 transaction?

After the reported purchase, Vitoc Vlad directly owns 976,121 shares of MAIA common stock. The Form 4 also lists 210,100 additional shares beneficially owned by his spouse, with Vlad disclaiming beneficial ownership except for his pecuniary interest.

What does the MAIA Form 4 say about shares held by Vitoc Vlad’s spouse?

The Form 4 states that 210,100 MAIA shares are beneficially owned by Vitoc Vlad’s spouse. Vlad disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest, clarifying how these indirect holdings are treated for reporting purposes.

Was MAIA CEO Vitoc Vlad’s share purchase a single trade or multiple trades?

The filing indicates Vlad’s purchase was executed in multiple transactions. It reports a weighted average price of $1.3877, with individual trade prices ranging from $1.3634 to $1.4150, and offers to provide exact per-trade details upon request.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/02/2026 - 09:02 AM EDT Learn about SEC filing dates

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^*

Vitoc Vlad

(Last) (First) (Middle)

444 WEST LAKE STREET,

(Street)

CHICAGO ILLINOIS 60606

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MAIA Biotechnology, Inc. [ MAIA ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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
Common Stock	06/01/2026		P		72,700	A	$1.3877(1)	976,121	D
Common Stock								210,100	I	See Footnote(2)

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. The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.3634 to $1.4150, inclusive. The Reporting Person undertakes to provide to the staff of the Securities and Exchange Commission, to any security holder of the issuer, or to the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

2. These securities are beneficially owned by Mr. Vitoc's spouse. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

	/s/ Vlad Vitoc	06/02/2026
	** 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)