Kura Oncology Legal Chief Sells 8,442 Shares

A development milestone was determined to have been met on September 27, 2026, resulting in vesting of part of the PSU award.

Rhea-AI Filing Summary

Kura Oncology, Inc. Chief Legal Officer Teresa Brophy Bair sold 8,442 common shares at $10.4973 per share on September 28, 2026, leaving her with 187,002 shares held directly. The sale was reported as a sell-to-cover for taxes associated with vesting 1/6th of the shares underlying performance-based restricted stock units granted May 31, 2023. The transaction was reported under a Rule 10b5-1 trading plan.

Insider Trade Summary 10b5-1

Net Seller: 8,442 shares

Net Sell 1 txn

Insider Bair Teresa Brophy

Role Chief Legal Officer

Sold 8,442 shs ($89K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	8,442	$10.4973	$89K

Holdings After Transaction: Common Stock — 187,002 shares (Direct)

Footnotes (1)

1. F1. Sell-to-cover for taxes associated with the vesting of 1/6th of the underlying shares of performance-based restricted stock units ("PSUs") granted to the Reporting Person on May 31, 2023. Each PSU represents the contingent right to receive one share of the Issuer's common stock based on the achievement of each of three specified development milestones, and the one-year anniversary of each milestone achievement, subject to the Reporting Person's continuous service on each corresponding vesting date. The one-year anniversary of the specified development milestone was determined to be met on September 27, 2026, resulting in the vesting of 1/6th of the underlying shares.

Key Figures

Shares sold: 8,442 shares Sale price: $10.4973 per share Direct shares held after sale: 187,002 shares +1 more

4 metrics

Shares sold 8,442 shares September 28, 2026

Sale price $10.4973 per share September 28, 2026

Direct shares held after sale 187,002 shares Following the September 28, 2026 transaction

PSU shares vesting 1/6th of underlying shares Following a development milestone determined to have been met on September 27, 2026

Key Terms

Sell-to-cover, performance-based restricted stock units, vesting

3 terms

Sell-to-cover financial

"Sell-to-cover for taxes associated with the vesting"

Sell-to-cover is when part of newly issued or exercised company stock is immediately sold to pay required taxes and fees, so the recipient keeps the remaining shares. For investors this matters because it reduces the number of shares insiders or employees actually hold after a grant, can create small, routine share sales that aren’t signal of cashing out, and slightly increases share supply on the market—like selling a portion of a paycheck to cover the tax bill.

performance-based restricted stock units financial

"performance-based restricted stock units ("PSUs") granted to the Reporting Person"

Performance-based restricted stock units are a type of employee equity award that converts into company shares only if predefined financial or operational targets are met over a set period. Think of it like a bonus check that becomes stock only when specific goals are hit; it ties pay to results, aligning managers’ incentives with shareholders. Investors care because these awards affect future share count, executive incentives, and signal how management’s success will be measured and rewarded.

vesting financial

"resulting in the vesting of 1/6th of the underlying shares"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

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

How many KURA shares did Chief Legal Officer Teresa Brophy Bair sell?

Teresa Brophy Bair sold 8,442 shares of Kura Oncology common stock at $10.4973 per share on September 28, 2026; she directly held 187,002 shares afterward.

What triggered Teresa Brophy Bair's KURA PSU vesting?

The one-year anniversary of a specified development milestone was determined to have been met on September 27, 2026, resulting in vesting of 1/6th of the underlying shares. Vesting was subject to her continuous service on each corresponding vesting date.

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

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Available on EDGAR 09/29/2026 - 06:30 PM Accepted by SEC EDGAR 09/29/2026 - 06:30 PM 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).

X

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^*

Bair Teresa Brophy

(Last) (First) (Middle)

C/O KURA ONCOLOGY, INC.

4930 DIRECTORS PLACE, SUITE 500

(Street)

SAN DIEGO CALIFORNIA 92121

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Kura Oncology, Inc. [ KURA ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/28/2026

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	09/28/2026		S(1)		8,442	D	$10.4973	187,002	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. Sell-to-cover for taxes associated with the vesting of 1/6th of the underlying shares of performance-based restricted stock units ("PSUs") granted to the Reporting Person on May 31, 2023. Each PSU represents the contingent right to receive one share of the Issuer's common stock based on the achievement of each of three specified development milestones, and the one-year anniversary of each milestone achievement, subject to the Reporting Person's continuous service on each corresponding vesting date. The one-year anniversary of the specified development milestone was determined to be met on September 27, 2026, resulting in the vesting of 1/6th of the underlying shares.

	/s/ Teresa Bair	09/29/2026
	** 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)