Septerna director granted 15,000 stock options

Septerna, Inc. director Abraham Bassan reported receiving a grant of stock options as part of his compensation.

Rhea-AI Filing Summary

Septerna, Inc. director Abraham Bassan reported receiving a grant of stock options as part of his compensation. He was awarded options covering 15,000 shares of common stock at an exercise price of $37.34 per share, expiring on June 25, 2036.

These options vest in full on the earlier of June 26, 2027 or the date of Septerna’s next annual meeting of stockholders, as long as he continues serving the company through that vesting date. After this grant, his reported derivative holdings in this filing consist of these 15,000 options.

Insider Trade Summary

Grant/Award: 15,000 shares

Grant/Award 1 txn

Insider Bassan Abraham

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	15,000	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 15,000 contracts (Direct)

Footnotes (1)

1. F1. The shares underlying the stock option vest in full upon the earlier of (i) June 26, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer through such vesting date.

Key Figures

Stock options granted: 15,000 options Exercise price: $37.34 per share Expiration date: June 25, 2036 +2 more

5 metrics

Stock options granted 15,000 options Grant of stock options to director Abraham Bassan

Exercise price $37.34 per share Exercise price for granted stock options

Expiration date June 25, 2036 Option term end for the 15,000 options

Underlying shares 15,000 shares Common stock underlying the granted options

Vesting trigger date June 26, 2027 or next annual meeting Earlier date when options vest in full, subject to service

Key Terms

Stock Option (Right to Buy), exercise price, vest in full, annual meeting of stockholders

4 terms

Stock Option (Right to Buy) financial

"security_title: "Stock Option (Right to Buy)""

exercise price financial

"conversion_or_exercise_price: "37.3400" per share as exercise price"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

vest in full financial

"The shares underlying the stock option vest in full upon the earlier of"

annual meeting of stockholders financial

"the date of the Issuer's next annual meeting of stockholders"

FAQ

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

What insider transaction did Septerna (SEPN) disclose for Abraham Bassan?

Septerna disclosed that director Abraham Bassan received a grant of stock options covering 15,000 shares of common stock. This is a compensation-related award, not an open-market purchase or sale of existing shares.

How many Septerna (SEPN) shares are covered by Abraham Bassan’s new stock options?

The new stock option grant to Abraham Bassan covers 15,000 shares of Septerna common stock. These options give him the right to buy those shares at a fixed exercise price if they vest and he chooses to exercise.

What is the exercise price of Abraham Bassan’s Septerna (SEPN) stock options?

The granted stock options have an exercise price of $37.34 per share. This means Bassan can purchase Septerna common stock at $37.34 per share once the options vest and before they expire in 2036.

When do Abraham Bassan’s Septerna (SEPN) stock options vest?

The options vest in full on the earlier of June 26, 2027 or the date of Septerna’s next annual meeting of stockholders. Vesting requires Abraham Bassan to continue serving the company through the applicable vesting date.

When do Abraham Bassan’s Septerna (SEPN) stock options expire?

The stock options granted to Abraham Bassan expire on June 25, 2036. He can exercise the options between vesting and that expiration date, subject to applicable company policies and any other plan conditions.

Is Abraham Bassan’s Septerna (SEPN) Form 4 transaction a market buy or sell?

The Form 4 shows a grant of derivative securities, not a market trade. Bassan received 15,000 stock options as a compensation-related award, so there was no open-market buying or selling of Septerna shares in this transaction.

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

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Accepted by SEC EDGAR 06/30/2026 - 07:00 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^*

Bassan Abraham

(Last) (First) (Middle)

C/O SEPTERNA, INC.

250 EAST GRAND AVENUE

(Street)

SOUTH SAN FRANCISCO CALIFORNIA 94080

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Septerna, Inc. [ SEPN ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/26/2026

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

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
Stock Option (Right to Buy)	$37.34	06/26/2026		A		15,000		(1)	06/25/2036	Common Stock	15,000	$0	15,000	D

Explanation of Responses:

1. The shares underlying the stock option vest in full upon the earlier of (i) June 26, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer through such vesting date.

Remarks:

Exhibit 24.2 - Substitute Power of Attorney

	/s/ Mark A. Wilson, Attorney-in-Fact	06/30/2026
	** 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)