Michael Weening - 22 Jul 2025 Form 4 Insider Report for CALIX, INC (CALX)

Signature
/s/ Tom Gemetti as Attorney-in-Fact for Michael Weening
Issuer symbol
CALX
Transactions as of
22 Jul 2025
Net transactions value
-$9,900,720
Form type
4
Filing time
24 Jul 2025, 18:42:46 UTC
Previous filing
03 Jun 2025
Next filing
05 Aug 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Weening Michael President & CEO, Director C/O CALIX, INC., 2777 ORCHARD PARKWAY, SAN JOSE /s/ Tom Gemetti as Attorney-in-Fact for Michael Weening 24 Jul 2025 0001678385

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction (CALX) Common Stock Options Exercise $547,400 +92,000 +582% $5.95 107,812 22 Jul 2025 Direct
transaction (CALX) Common Stock Sale $5,060,000 -92,000 -85% $55.00 15,812 22 Jul 2025 Direct
transaction (CALX) Common Stock Options Exercise $547,400 +92,000 +582% $5.95 107,812 23 Jul 2025 Direct
transaction (CALX) Common Stock Sale $5,152,000 -92,000 -85% $56.00 15,812 23 Jul 2025 Direct
transaction (CALX) Common Stock Options Exercise $128,480 +16,000 +101% $8.03 31,812 23 Jul 2025 Direct
transaction (CALX) Common Stock Sale $912,000 -16,000 -50% $57.00 15,812 23 Jul 2025 Direct

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 (CALX) Stock Option (right to buy) Options Exercise $0 -92,000 -50% $0.000000 92,000 22 Jul 2025 Common Stock 92,000 $5.95 Direct F1
transaction (CALX) Stock Option (right to buy) Options Exercise $0 -92,000 -100% $0.000000 0 23 Jul 2025 Common Stock 92,000 $5.95 Direct F1
transaction (CALX) Stock Option (right to buy) Options Exercise $0 -16,000 -18% $0.000000 74,000 23 Jul 2025 Common Stock 16,000 $8.03 Direct F2
* 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 100% of the shares subject to the option were fully vested and exercisable on January 1, 2021.
F2 100% of the shares subject to the option were fully vested and exercisable on February 14, 2023.

Remarks:

Sales reported on the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 28, 2025.