Form 4: Kilroy Conor reports sale transactions in AURA

Rhea-AI Filing Summary

Kilroy Conor reported open-market sale transactions in a Form 4 filing for AURA. The filing lists transactions totaling 12,079 shares at a weighted average price of $5.05 per share. Following the reported transactions, holdings were 167,234 shares.

Insider Trade Summary

Net Seller: 12,079 shares ($60,999)

Net Sell 1 txn

Insider Kilroy Conor

Role See Remarks

Sold 12,079 shs ($61K)

Type	Security	Shares	Price	Value
Sale	Common Stock	12,079	$5.05	$61K

Holdings After Transaction: Common Stock — 167,234 shares (Direct)

Footnotes (1)

1. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.04 to $5.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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

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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^*

Kilroy Conor

(Last) (First) (Middle)

C/O AURA BIOSCIENCES, INC.

80 GUEST STREET

(Street)

BOSTON MA 02135

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Aura Biosciences, Inc. [ AURA ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

4. 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 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	02/17/2026		S(1)		12,079	D	$5.05(2)	167,234	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 sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

2. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.04 to $5.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

Chief Legal Officer and Secretary.

	/s/ Conor Kilroy	02/17/2026
	** 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.

FAQ

What insider transaction did Aura Biosciences (AURA) report for Conor Kilroy?

Aura Biosciences reported that officer Conor Kilroy sold 12,079 shares of common stock. The shares were sold in open-market transactions at a weighted average price of $5.05 per share, as part of an automatic sale related to restricted stock unit vesting.

Why did Conor Kilroy sell Aura Biosciences (AURA) shares in this Form 4?

The Form 4 states that the 12,079 shares were sold to cover tax withholding obligations from vesting restricted stock units. These sales were automatic and not at Kilroy’s discretion, meaning they occurred solely to satisfy required tax payments.

What price range were the Aura Biosciences (AURA) shares sold at by Conor Kilroy?

The filing reports a weighted average sale price of $5.05 per share. Footnotes explain the shares were sold in multiple transactions at prices ranging from $5.04 to $5.25 per share, and detailed breakdowns are available upon request from the reporting person.

How many Aura Biosciences (AURA) shares does Conor Kilroy own after this Form 4 sale?

After selling 12,079 shares to cover tax withholding, Conor Kilroy directly owned 167,234 Aura Biosciences common shares. This post-transaction ownership figure reflects his remaining direct stake following the automatic sale related to restricted stock unit vesting.

Was the Aura Biosciences (AURA) insider sale by Conor Kilroy discretionary?

No. The Form 4 footnote states the sales were automatic and required to cover tax withholding on vesting restricted stock units. It explicitly notes the transactions were not at the reporting person’s discretion, distinguishing them from voluntary open-market selling.