Director Stan Smith adds 75,000 MAIA (NASDAQ: MAIA) shares via trust purchase

Rhea-AI Filing Summary

MAIA Biotechnology director Stan Smith, through an indirect trust ownership, reported an open-market purchase of 75,000 shares of Common Stock of MAIA Biotechnology at a weighted average price of $1.336 per share. The filing states the shares were bought in multiple trades between $1.32 and $1.40.

After this transaction, an entity associated with Smith held 1,519,178 shares indirectly. Additional indirect holdings of 4,580 shares are shown in separate trust accounts for family members, where Smith disclaims beneficial ownership beyond his pecuniary interest.

Insider Trade Summary

Net Buyer: 75,000 shares ($100,200)

Net Buy 4 txns

Insider Smith Stan

Role null

Bought 75,000 shs ($100K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	75,000	$1.336	$100K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,519,178 shares (Indirect, See Footnote)

Footnotes (1)

1. The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.32 to $1.40, 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. These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. These securities are beneficially owned by Mr. Smith through the Blake Sarai Teitei Smith IL Unif Trns Min Act. They are beneficially owned by Mr. Smith's family member. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. These securities are beneficially owned by Mr. Smith through the Gage Quentin Smith IL Unif Trns Min Act. They are beneficially owned by Mr. Smith's family member. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. These securities are beneficially owned by Mr. Smith through the Travis Deo Zai Zai Smith IL Unif Trns Min Act. They are beneficially owned by Mr. Smith's family member. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Key Figures

Shares purchased: 75,000 shares Weighted average purchase price: $1.336 per share Purchase price range: $1.32 to $1.40 per share +2 more

5 metrics

Shares purchased 75,000 shares Open-market purchase of MAIA common stock

Weighted average purchase price $1.336 per share Price for 75,000-share open-market purchase

Purchase price range $1.32 to $1.40 per share Range of prices for multiple transactions

Indirect holdings after transaction 1,519,178 shares Shares indirectly held through associated trust after purchase

Additional family trust holdings 4,580 shares Indirect holdings in family member trusts where ownership is disclaimed

Key Terms

weighted average price, beneficially owned, pecuniary interest, Illinois Uniform Transfers to Minors Act

4 terms

weighted average price financial

"The price reported is a weighted average price. The shares were purchased in multiple transactions..."

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. Smith through The Stan V. Smith Trust Dated 1993."

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

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

Illinois Uniform Transfers to Minors Act financial

"through the Blake Sarai Teitei Smith IL Unif Trns Min Act..."

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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^*

Smith Stan

(Last) (First) (Middle)

444 WEST LAKE STREET, SUITE 1700

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

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		75,000	A	$1.336(1)	1,519,178	I	See Footnote(2)
Common Stock								4,580	I	See footnote(3)
Common Stock								4,580	I	See footnote(4)
Common Stock								4,580	I	See footnote(5)

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 $1.32 to $1.40, 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. Smith through The Stan V. Smith Trust Dated 1993.

3. These securities are beneficially owned by Mr. Smith through the Blake Sarai Teitei Smith IL Unif Trns Min Act. They are beneficially owned by Mr. Smith's family member. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

4. These securities are beneficially owned by Mr. Smith through the Gage Quentin Smith IL Unif Trns Min Act. They are beneficially owned by Mr. Smith's family member. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

5. These securities are beneficially owned by Mr. Smith through the Travis Deo Zai Zai Smith IL Unif Trns Min Act. They are beneficially owned by Mr. Smith's family member. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

	/s/ Stan V. Smith	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)

FAQ

What insider transaction did MAIA (MAIA) disclose for Stan Smith?

MAIA reported that director Stan Smith, through an indirect trust, purchased 75,000 MAIA common shares in the open market. The weighted average price was $1.336 per share, based on multiple trades within a disclosed price range.

At what prices did Stan Smith’s MAIA (MAIA) share purchases occur?

The filing states Smith’s indirect trust bought shares between $1.32 and $1.40 per MAIA share. The reported $1.336 weighted average price reflects multiple trades across that range during the same trading day.

How many MAIA (MAIA) shares does Stan Smith indirectly hold after this filing?

After the reported purchase, an entity associated with Stan Smith indirectly holds 1,519,178 MAIA common shares. Separate trust accounts for family members show an additional 4,580 shares, where Smith disclaims beneficial ownership except for his pecuniary interest.

How is Stan Smith’s ownership in MAIA (MAIA) structured according to the Form 4?

The Form 4 explains that MAIA shares are beneficially owned through several trusts, including The Stan V. Smith Trust Dated 1993 and Illinois Uniform Transfers to Minors Act accounts. Some trusts are for family members, with Smith disclaiming beneficial ownership beyond his pecuniary interest.

Was Stan Smith’s MAIA (MAIA) share purchase a direct or indirect transaction?

The filing characterizes the 75,000-share purchase as an indirect ownership transaction. The shares are held through The Stan V. Smith Trust Dated 1993, rather than in Smith’s personal name, and are reported as indirect holdings in the Form 4.