Onterris (MEG) director adds 25,140 shares in open-market purchase

Rhea-AI Filing Summary

Onterris, Inc. director Peter Graham reported an open-market purchase of 25,140 shares of Common Stock. The shares were bought at a weighted average price of $17.19 per share, in multiple trades ranging from $17.00 to $17.46. After this transaction, Graham directly owns 256,689 shares of Onterris common stock.

Insider Trade Summary

Net Buyer: 25,140 shares ($432,157)

Net Buy 1 txn

Insider GRAHAM PETER

Role null

Bought 25,140 shs ($432K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	25,140	$17.19	$432K

Holdings After Transaction: Common Stock — 256,689 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares purchased: 25,140 shares Weighted average price: $17.19 per share Trade price range: $17.00–$17.46 per share +1 more

4 metrics

Shares purchased 25,140 shares Open-market purchase of Common Stock

Weighted average price $17.19 per share Average price paid for 25,140 shares

Trade price range $17.00–$17.46 per share Range of prices across multiple transactions

Shares owned after transaction 256,689 shares Total direct holdings following the purchase

Key Terms

open-market purchase, weighted average price, Form 4, Common Stock

4 terms

open-market purchase financial

"The transaction is described as an open-market purchase of Common Stock."

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 in Column 4 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.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Common Stock financial

"These shares of common stock of the Issuer were purchased in multiple transactions."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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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^*

GRAHAM PETER

(Last) (First) (Middle)

5120 NORTHSHORE DR

(Street)

NORTH LITTLE ROCK ARKANSAS 72118

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Onterris, Inc. [ ONT ]

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)
06/05/2026

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	06/05/2026		P		25,140	A	$17.19(1)	256,689	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. The price reported in Column 4 is a weighted average price. These shares of common stock of the Issuer were purchased in multiple transactions by the Reporting Person at prices ranging from $17.00 to $17.46, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer full information regarding the number of shares of common stock acquired at each separate price within the range.

	/s/ Nasym Afsari, Attorney in Fact	06/08/2026
	** 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 Onterris, Inc. (MEG) report in this Form 4?

Onterris, Inc. reported that director Peter Graham made an open-market purchase of 25,140 shares of Common Stock. This increases his direct holdings and reflects an additional personal equity commitment to the company’s stock.

How many Onterris (MEG) shares does Peter Graham hold after this transaction?

After the reported transaction, Peter Graham directly holds 256,689 shares of Onterris Common Stock. This figure includes the newly purchased 25,140 shares and represents his total direct ownership as disclosed in the Form 4 filing.

What price did Peter Graham pay for Onterris (MEG) shares in the latest Form 4?

Peter Graham paid a weighted average price of $17.19 per share for 25,140 Onterris shares. The filing notes that individual trades occurred at prices between $17.00 and $17.46 per share across multiple transactions on the same date.

Was the Onterris (MEG) insider transaction an open-market purchase or another type?

The Form 4 classifies Peter Graham’s transaction as an open-market purchase of Common Stock. This means the shares were acquired through market or private transactions, rather than via option exercises, gifts, or tax-withholding related movements.

Does the Onterris (MEG) Form 4 mention multiple trade prices for the insider buy?

Yes. The Form 4 states the reported price is a weighted average and that shares were purchased in multiple trades between $17.00 and $17.46 per share. Full price-by-trade details are available upon request from the reporting person or the company.