Fervo Energy COO exercises 59,125 stock options

The reported post-exercise positions include 416,808 Class A shares and 264,604 options, with the option count updated for share-count miscalculations.

Rhea-AI Filing Summary

Fervo Energy Co (FRVO) Chief Operating Officer Sarah Allison Jewett exercised 59,125 stock options on October 20, 2026, at an exercise price of $1.31 per share, acquiring 59,125 shares of Class A common stock. Afterward, she directly held 416,808 shares of Class A common stock. The reported post-transaction option count was 264,604, updated to correct administrative errors created by share-count miscalculations.

Insider Trade Summary

59,125 shares exercised/converted

Exercise 2 txns

Insider Jewett Sarah Allison

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Exercise	Stock Option F1, F2	59,125	$0.00	$0.00
Exercise	Class A Common Stock	59,125	$1.31	$77K

Holdings After Transaction: Stock Option — 264,604 contracts (Direct); Class A Common Stock — 416,808 shares (Direct)

Footnotes (2)

1. F1. The stock option vested as to 25% of the underlying shares on November 29, 2023, and will vest thereafter in 36 substantial equal monthly installments.
2. F2. The number in Column 9 in Table II is reflected to update certain administrative errors created by share count miscalculations.

Key Figures

Stock options exercised: 59,125 options Class A common shares acquired: 59,125 shares Exercise price: $1.31 per share +5 more

8 metrics

Stock options exercised 59,125 options October 20, 2026

Class A common shares acquired 59,125 shares October 20, 2026

Exercise price $1.31 per share Options exercised October 20, 2026

Class A common shares held after transaction 416,808 shares Direct holdings after October 20, 2026 transaction

Stock options after transaction 264,604 options Post-transaction count updated to correct administrative share-count miscalculations

Initial vesting 25% of underlying shares Vested November 29, 2023

Subsequent vesting installments 36 substantial equal monthly installments After November 29, 2023

Option expiration November 29, 2032 Expiration date reported for the stock option

Key Terms

stock option, exercise price, vest, Class A Common Stock

4 terms

stock option financial

"The stock option vested as to 25% of the underlying shares"

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

exercise price financial

"at an exercise price of $1.31 per share"

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 financial

"will vest thereafter in 36 substantial equal monthly installments"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

Class A Common Stock financial

"acquiring shares of Class A Common Stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

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

How many Fervo Energy (FRVO) stock options did Sarah Allison Jewett exercise, and at what price?

Sarah Allison Jewett exercised 59,125 stock options on October 20, 2026, at an exercise price of $1.31 per share, acquiring Class A common stock. No Rule 10b5-1 plan is reported.

When do Sarah Allison Jewett's Fervo Energy options vest?

The options vested as to 25% of the underlying shares on November 29, 2023, and will vest thereafter in 36 substantial equal monthly installments.

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

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Available on EDGAR 10/22/2026 - 09:00 PM EDT Accepted by SEC EDGAR 10/22/2026 - 09:00 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^*

Jewett Sarah Allison

(Last) (First) (Middle)

C/O FERVO ENERGY CO.

811 MAIN ST. , SUITE 1700

(Street)

HOUSTON TEXAS 77002

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Fervo Energy Co [ FRVO ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/20/2026

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
Class A Common Stock	10/20/2026		M		59,125	A	$1.31	416,808	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
Stock Option	$1.31	10/20/2026		M			59,125	(1)	11/29/2032	Class A Common Stock	59,125	$0	264,604(2)	D

Explanation of Responses:

1. The stock option vested as to 25% of the underlying shares on November 29, 2023, and will vest thereafter in 36 substantial equal monthly installments.

2. The number in Column 9 in Table II is reflected to update certain administrative errors created by share count miscalculations.

	/s/ Pilar Hastings-Smith, Attorney-in-Fact	10/22/2026
	** 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)