SEC FORM 4

SEC FORM 4SEC 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

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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^*

Lanfear Dennis M

(Last)

(First)

(Middle)

C/O COHERUS ONCOLOGY, INC.

333 TWIN DOLPHIN DRIVE, SUITE 600

(Street)

REDWOOD CITY

CALIFORNIA

94065

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Coherus Oncology, Inc. [ CHRS ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/29/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$12.7	05/29/2026		D			200,000	⁽¹⁾	08/06/2027	Common Stock	200,000	⁽³⁾	0	D
Stock Option (Right to Buy)	$10.05	05/29/2026		D			400,000	⁽¹⁾	02/01/2028	Common Stock	400,000	⁽³⁾	0	D
Stock Option (Right to Buy)	$12.37	05/29/2026		D			450,000	⁽¹⁾	01/11/2029	Common Stock	450,000	⁽³⁾	0	D
Stock Option (Right to Buy)	$17.73	05/29/2026		D			500,000	⁽¹⁾	01/10/2030	Common Stock	500,000	⁽³⁾	0	D
Stock Option (Right to Buy)	$18.33	05/29/2026		D			500,000	⁽¹⁾	01/23/2031	Common Stock	500,000	⁽³⁾	0	D
Stock Option (Right to Buy)	$17.6	05/29/2026		D			125,000	⁽¹⁾	02/01/2031	Common Stock	125,000	⁽³⁾	0	D
Stock Option (Right to Buy)	$15.94	05/29/2026		D			402,500	⁽¹⁾	01/04/2032	Common Stock	402,500	⁽³⁾	0	D
Stock Option (Right to Buy)	$10.37	05/29/2026		D			402,500	⁽²⁾	01/05/2033	Common Stock	402,500	⁽³⁾	0	D
Stock Option (Right to Buy)	$5.44	05/29/2026		D			225,000	⁽¹⁾	06/13/2033	Common Stock	225,000	⁽³⁾	0	D
Stock Option (Right to Buy)	$1.59⁽⁴⁾	05/29/2026		A		200,000		⁽¹⁾	05/29/2036	Common Stock	200,000	⁽³⁾	200,000	D
Stock Option (Right to Buy)	$1.59⁽⁴⁾	05/29/2026		A		400,000		⁽¹⁾	05/29/2036	Common Stock	400,000	⁽³⁾	400,000	D
Stock Option (Right to Buy)	$1.59⁽⁴⁾	05/29/2026		A		450,000		⁽¹⁾	05/29/2036	Common Stock	450,000	⁽³⁾	450,000	D
Stock Option (Right to Buy)	$1.59⁽⁴⁾	05/29/2026		A		500,000		⁽¹⁾	05/29/2036	Common Stock	500,000	⁽³⁾	500,000	D
Stock Option (Right to Buy)	$1.59⁽⁴⁾	05/29/2026		A		500,000		⁽¹⁾	05/29/2036	Common Stock	500,000	⁽³⁾	500,000	D
Stock Option (Right to Buy)	$1.59⁽⁴⁾	05/29/2026		A		125,000		⁽¹⁾	05/29/2036	Common Stock	125,000	⁽³⁾	125,000	D
Stock Option (Right to Buy)	$1.59⁽⁴⁾	05/29/2026		A		402,500		⁽¹⁾	05/29/2036	Common Stock	402,500	⁽³⁾	402,500	D
Stock Option (Right to Buy)	$1.59⁽⁴⁾	05/29/2026		A		402,500		⁽²⁾	05/29/2036	Common Stock	402,500	⁽³⁾	402,500	D
Stock Option (Right to Buy)	$1.59⁽⁴⁾	05/29/2026		A		225,000		⁽¹⁾	05/29/2036	Common Stock	225,000	⁽³⁾	225,000	D

Explanation of Responses:

1. The option is fully vested and exercisable.

2. The underlying shares subject to the option vest and become exercisable as to 1/48th of the total number of shares subject to the option in successive, equal monthly installments measured from January 5, 2023, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date.

3. On May 29, 2026, the Issuer's stockholders approved the repricing of the option. As further described in footnote 4, all other terms of the option remain unchanged.

4. On May 29, 2026, the Issuer's stockholders approved an option repricing at an exercise price of $1.59 per share (the "Repricing") of the stock options held by current employees and other service providers previously priced at or over $5. The Repricing is subject to the Reporting Person remaining in service to the Issuer through May 29, 2027.

	/s/ Bryan McMichael, as Attorney-in-Fact for Dennis M. Lanfear	06/02/2026
	** 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)