Kyntra Bio CFO has shares withheld for taxes

Rhea-AI Filing Summary

KYNTRA BIO, INC. Chief Financial Officer David DeLucia reported a small tax-related share disposition. On the vesting of restricted stock units, 60 shares of common stock were withheld by the company to cover his tax obligations. After this withholding, he directly owns 4,429 common shares.

This was a tax-withholding disposition, not an open-market sale or purchase, so it mainly reflects routine equity compensation mechanics rather than a change in his investment view on the company.

Insider Trade Summary

Exercise Price or Tax Liability: 60 shares

Exercise Price or Tax Liability 1 txn

Insider DeLucia David

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	60	$6.84	$410.40

Holdings After Transaction: Common Stock — 4,429 shares (Direct)

Footnotes (1)

1. F1. Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

FAQ

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

What insider transaction did Kyntra Bio (KYNB) report for its CFO?

Kyntra Bio reported that CFO David DeLucia had 60 common shares withheld to cover taxes on vesting restricted stock units. This was a tax-withholding disposition, not an open-market sale, and reflects routine equity compensation administration.

How many Kyntra Bio (KYNB) shares does the CFO hold after this Form 4?

After the tax-withholding transaction, CFO David DeLucia directly holds 4,429 Kyntra Bio common shares. The filing shows only this small, routine adjustment connected to restricted stock unit vesting, with no open-market buying or selling reported.

Was the Kyntra Bio (KYNB) CFO’s Form 4 a stock sale in the market?

No, the Form 4 shows a tax-withholding disposition, not a market sale. The company withheld 60 shares upon restricted stock unit vesting to satisfy his tax obligation, a common administrative step for equity awards.

What does transaction code "F" mean in the Kyntra Bio (KYNB) Form 4?

Transaction code "F" indicates shares were disposed of to pay an exercise price or tax liability. In this case, 60 Kyntra Bio shares were withheld by the issuer to cover CFO David DeLucia’s tax obligation from restricted stock unit vesting.

Is the Kyntra Bio (KYNB) CFO’s Form 4 transaction a significant ownership change?

The reported transaction is small, involving only 60 shares withheld for taxes. After this adjustment, CFO David DeLucia still directly owns 4,429 shares, so the filing reflects a routine administrative change, not a major shift in ownership.

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

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Accepted by SEC EDGAR 03/10/2026 - 05:40 PM 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^*

DeLucia David

(Last) (First) (Middle)

C/O KYNTRA BIO INC.

350 BAY STREET, SUITE 100 # 6009

(Street)

SAN FRANCISCO CA 94133

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
KYNTRA BIO, INC. [ KYNB ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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	03/06/2026		F		60(1)	D	$6.84	4,429	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 shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

	/s/ John Alden, Attorney-in-Fact	03/10/2026
	** 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.
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