Edward Harris Fenster - 22 Dec 2025 Form 4 Insider Report for Sunrun Inc. (RUN)

Role
Director
Signature
/s/ Sundance Banks, Attorney-in-Fact
Issuer symbol
RUN
Transactions as of
22 Dec 2025
Net transactions value
-$401,740
Form type
4
Filing time
22 Dec 2025, 19:36:25 UTC
Previous filing
08 Dec 2025
Next filing
12 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Fenster Edward Harris Director 600 CALIFORNIA STREET, SUITE 1800, SAN FRANCISCO /s/ Sundance Banks, Attorney-in-Fact 22 Dec 2025 0001648690

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RUN Common Stock Options Exercise $254,000 +50,000 +3.4% $5.08 1,524,926 22 Dec 2025 Direct F1
transaction RUN Common Stock Sale $655,740 -32,787 -2.2% $20.00 1,492,139 22 Dec 2025 Direct F1, F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction RUN Employee Stock Option (right to buy) Options Exercise $0 -50,000 -17% $0.000000 250,600 22 Dec 2025 Common Stock 50,000 $5.08 Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

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).

Explanation of Responses:

Id Content
F1 The transactions reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on September 3, 2025.
F2 Shares sold only to cover exercise price and tax obligation upon the exercise of a stock option.
F3 Shares held following the reported transactions include 3,184 restricted stock units, which are subject to forfeiture until they vest.
F4 The shares subject to the option are fully vested and exercisable. The option has a 10-year exercise period with an expiration date of February 11, 2026.