Kyntra Bio CEO reports tax-withholding share disposition

Rhea-AI Filing Summary

KYNTRA BIO, INC. CEO Thane Wettig reported routine share updates in a Form 4. The filing shows 198 shares of common stock were disposed of to cover a tax obligation at $6.71 per share when restricted stock units vested, a non‑market transaction. After this withholding, he directly holds 27,005 common shares and has an additional 40 shares reported as indirectly owned through his spouse.

Insights

Equity compensation analyst

Filing shows routine tax withholding on vested equity, not an open-market trade.

The Form 4 for KYNTRA BIO, INC. CEO Thane Wettig reports an F-code transaction, meaning shares were withheld to satisfy taxes on vested restricted stock units. This is a mechanical step in equity compensation, not a discretionary buy or sell decision.

The filing shows 198 common shares withheld at $6.71 per share, with 27,005 shares held directly afterward. There is also an indirect holding of 40 shares via his spouse. With no derivative positions listed, this update mainly clarifies current equity ownership rather than signaling a change in sentiment.

Insider Trade Summary

Exercise Price or Tax Liability: 198 shares

Exercise Price or Tax Liability 2 txns

Insider Wettig Thane

Role CEO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	198	$6.71	$1K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 27,005 shares (Direct); Common Stock — 40 shares (Indirect, By spouse)

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.

Key Figures

Tax-withheld shares: 198 shares Withholding price: $6.71 per share Direct holdings after transaction: 27,005 shares +1 more

4 metrics

Tax-withheld shares 198 shares Withheld to satisfy tax obligation on RSU vesting

Withholding price $6.71 per share Value used for 198 withheld common shares

Direct holdings after transaction 27,005 shares Common stock held directly by CEO after tax withholding

Indirect holdings via spouse 40 shares Common stock reported as indirectly owned through spouse

Key Terms

restricted stock units, tax obligation, tax-withholding disposition, Common Stock

4 terms

restricted stock units financial

"upon the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax obligation financial

"withheld by the issuer to satisfy a tax obligation realized"

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Common Stock financial

""security_title": "Common Stock""

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.

FAQ

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

What insider transaction did KYNTRA BIO (KYNB) report for CEO Thane Wettig?

KYNTRA BIO reported that CEO Thane Wettig had 198 common shares withheld at $6.71 per share to cover taxes on vested restricted stock units. This F-code transaction is a tax-withholding disposition, not an open-market sale or purchase, and reflects routine equity compensation mechanics.

How many KYNTRA BIO (KYNB) shares does the CEO hold after this Form 4?

After the reported tax-withholding transaction, Thane Wettig directly holds 27,005 shares of KYNTRA BIO common stock. The filing also shows 40 additional shares as indirectly owned through his spouse, giving investors a clearer picture of his updated equity position following RSU vesting-related withholding.

Was the KYNTRA BIO (KYNB) CEO’s Form 4 an open-market sale or purchase?

No. The Form 4 shows an F-code tax-withholding disposition, where 198 shares were withheld by the issuer to satisfy a tax obligation on vested restricted stock units. This is not an open-market sale or purchase, but a standard compensation-related event.

What price is associated with the KYNTRA BIO (KYNB) CEO’s withheld shares?

The filing reports that 198 common shares were withheld at a price of $6.71 per share. This reflects the value used for satisfying the CEO’s tax obligation upon RSU vesting, as described in the footnote, rather than a market trade execution price from an exchange.

What does the F-code mean in the KYNTRA BIO (KYNB) Form 4 transaction?

The F-code indicates shares were used to pay an exercise price or tax liability. Here, 198 shares were withheld by KYNTRA BIO to satisfy Thane Wettig’s tax obligation arising from restricted stock units vesting, making it a routine tax-withholding event rather than a voluntary buy or sell decision.

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

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Accepted by SEC EDGAR 06/09/2026 - 05:46 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^*

Wettig Thane

(Last) (First) (Middle)

C/O KYNTRA BIO, INC.

350 BAY STREET, SUITE 100, #6009

(Street)

SAN FRANCISCO CALIFORNIA 94133

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

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

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	06/06/2026		F		198(1)	D	$6.71	27,005	D
Common Stock								40	I	By spouse

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	06/09/2026
	** 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)