Evommune (EVMN) officer exercises options and sells 14,223 shares under 10b5-1 plan

Rhea-AI Filing Summary

Evommune, Inc. executive Gregory S. Moss reported an exercise-and-sale transaction in company stock. He exercised employee stock options for 14,223 shares of common stock at an exercise price of $1.71 per share and sold 14,223 shares in an open-market transaction at a weighted average price of $22.83 per share. These trades were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on February 26, 2026, indicating they were scheduled in advance. Following the transactions, Moss holds 60,835 shares of Evommune common stock directly and an additional 3,175 shares indirectly through a family trust, and he continues to hold 47,845 employee stock options with a $1.71 exercise price expiring in 2034.

Insights

Equity compensation analyst

Routine option exercise-and-sale under a 10b5-1 plan with remaining equity stake.

Chief Business & Legal Officer Gregory S. Moss exercised 14,223 employee stock options at $1.71 per share and sold 14,223 common shares at a weighted average of $22.83. This is a classic exercise-and-sell pattern, converting an option position into cash.

The filing notes that the trades occurred under a pre-arranged Rule 10b5-1 trading plan adopted on February 26, 2026, suggesting they were scheduled rather than opportunistic. After these transactions, Moss still holds 60,835 common shares directly, 3,175 shares via a family trust, and 47,845 remaining options at a $1.71 exercise price expiring in 2034.

This combination of ongoing direct ownership and unexercised options indicates continued equity exposure despite the net share sale. The plan-based nature of the sales and the remaining position make this a routine compensation-related event rather than a clear directional signal.

Insider Trade Summary 10b5-1

Net Seller: 14,223 shares ($324,711)

Net Sell 4 txns

Insider Moss Gregory S.

Role Chief Business & Legal Officer

Sold 14,223 shs ($325K)

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option (Right to Buy)	14,223	$0.00	--
Exercise	Common Stock	14,223	$1.71	$24K
Sale	Common Stock	14,223	$22.83	$325K
holding	Common Stock	--	--	--

Holdings After Transaction: Employee Stock Option (Right to Buy) — 47,845 shares (Direct, null); Common Stock — 75,058 shares (Direct, null); Common Stock — 3,175 shares (Indirect, By Trust)

Footnotes (1)

1. The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2026. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $22.50 to $23.42 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 securities sold at each separate price within the range set forth in this footnote. The securities are held by a family trust, of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein. One fourth (1/4) of the shares subject to the option award shall vest on the first anniversary of the grant date and the remaining shares subject to the option shall vest in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continuous service through such vesting date.

Key Figures

Shares sold: 14,223 shares Sale price (weighted average): $22.83 per share Options exercised: 14,223 options +5 more

8 metrics

Shares sold 14,223 shares Open-market sale of common stock on 2026-05-28

Sale price (weighted average) $22.83 per share Common stock sold in multiple trades between $22.50 and $23.42

Options exercised 14,223 options Employee Stock Option exercise on 2026-05-28

Option exercise price $1.71 per share Employee Stock Option (Right to Buy) strike price

Direct shares after transactions 60,835 shares Common stock directly owned following transactions

Indirect shares via trust 3,175 shares Common stock held by family trust; indirect interest

Remaining stock options 47,845 options Employee Stock Options remaining after exercise, strike $1.71

Option expiration date 2034-03-21 Employee Stock Option (Right to Buy) expiration

Key Terms

Rule 10b5-1 trading plan, weighted average price, Employee Stock Option (Right to Buy), derivative security, +1 more

5 terms

Rule 10b5-1 trading plan financial

"The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2026."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Employee Stock Option (Right to Buy) financial

"Employee Stock Option (Right to Buy)"

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

family trust financial

"The securities are held by a family trust, of which the Reporting Person is a trustee."

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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

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^*

Moss Gregory S.

(Last) (First) (Middle)

C/O EVOMMUNE, INC.

1891 PAGE MILL ROAD

(Street)

PALO ALTO CALIFORNIA 94304

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Evommune, Inc. [ EVMN ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

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	05/28/2026		M(1)		14,223	A	$1.71	75,058	D
Common Stock	05/28/2026		S(1)		14,223	D	$22.83(2)	60,835	D
Common Stock								3,175	I	By Trust(3)

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
Employee Stock Option (Right to Buy)	$1.71	05/28/2026		M(1)			14,223	(4)	03/21/2034	Common Stock	14,223	$0.00	47,845	D

Explanation of Responses:

1. The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2026.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $22.50 to $23.42 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 securities sold at each separate price within the range set forth in this footnote.

3. The securities are held by a family trust, of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein.

4. One fourth (1/4) of the shares subject to the option award shall vest on the first anniversary of the grant date and the remaining shares subject to the option shall vest in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continuous service through such vesting date.

Remarks:

	/s/ Gregory S. Moss	06/01/2026
	** 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)

FAQ

What did Evommune (EVMN) executive Gregory S. Moss do in this Form 4 filing?

Gregory S. Moss exercised 14,223 employee stock options at $1.71 per share and sold 14,223 Evommune common shares at a weighted average price of $22.83. The trades were executed under a pre-arranged Rule 10b5-1 trading plan.

How many Evommune (EVMN) shares does Gregory S. Moss own after this transaction?

After the reported transactions, Gregory S. Moss holds 60,835 Evommune common shares directly and 3,175 shares indirectly through a family trust. He also retains 47,845 employee stock options with a $1.71 exercise price, expiring in 2034.

At what prices did Gregory S. Moss transact Evommune (EVMN) shares?

Moss exercised employee stock options at an exercise price of $1.71 per share and sold 14,223 Evommune common shares at a weighted average price of $22.83. The sale occurred through multiple trades between $22.50 and $23.42 per share.

What is the significance of the Rule 10b5-1 plan in this Evommune (EVMN) Form 4?

The filing states the transactions occurred under a Rule 10b5-1 trading plan adopted on February 26, 2026. Such plans pre-schedule trades, indicating these sales were arranged in advance rather than timed based on short-term market conditions.

How many Evommune (EVMN) stock options does Gregory S. Moss still hold and on what terms?

After exercising part of his award, Moss holds 47,845 employee stock options with a $1.71 exercise price, expiring on March 21, 2034. The options vest over time, with one fourth vesting after one year and the rest in 36 monthly installments.

What portion of Gregory S. Moss’s Evommune (EVMN) holdings were sold in this Form 4?

Moss sold 14,223 Evommune common shares in this filing. He continues to own 60,835 shares directly, 3,175 shares through a family trust, and retains 47,845 stock options, so the sale represents only part of his overall equity exposure.