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Signature
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/s/ Tom Gemetti as Attorney-in-Fact for Michael Weening
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Stock symbol
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(CALX)
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Transactions as of
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Sep 10, 2025
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Transactions value $
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-$9,558,160
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Form type
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4
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Date filed
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9/11/2025, 06:33 PM
Reporting Owners (1)
| Name |
Relationship |
Address |
Signature |
Signature date |
CIK |
| Weening Michael |
President & CEO, Director |
C/O CALIX, INC., 3155 OLSEN DRIVE, SUITE 450, SAN JOSE |
/s/ Tom Gemetti as Attorney-in-Fact for Michael Weening |
2025-09-11 |
0001678385 |
Transactions Table
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
| transaction |
(CALX) |
Common Stock |
Options Exercise |
$1.18M |
+150K |
+930.69% |
$7.84 |
166K |
Sep 10, 2025 |
Direct |
|
| transaction |
(CALX) |
Common Stock |
Sale |
-$9.3M |
-150K |
-90.3% |
$62.00 |
16.1K |
Sep 10, 2025 |
Direct |
|
| transaction |
(CALX) |
Common Stock |
Options Exercise |
$62.6K |
+7.99K |
+49.57% |
$7.84 |
24.1K |
Sep 10, 2025 |
Direct |
|
| transaction |
(CALX) |
Common Stock |
Sale |
-$503K |
-7.99K |
-33.14% |
$63.00 |
16.1K |
Sep 10, 2025 |
Direct |
|
| transaction |
(CALX) |
Common Stock |
Options Exercise |
$141K |
+18K |
+111.75% |
$7.84 |
34.1K |
Sep 11, 2025 |
Direct |
|
| transaction |
(CALX) |
Common Stock |
Sale |
-$1.13M |
-18K |
-52.77% |
$63.00 |
16.1K |
Sep 11, 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 |
-150K |
-33.33% |
$0.00 |
300K |
Sep 10, 2025 |
Common Stock |
150K |
$7.84 |
Direct |
F1 |
| transaction |
(CALX) |
Stock Option (right to buy) |
Options Exercise |
$0 |
-7.99K |
-2.66% |
$0.00 |
292K |
Sep 10, 2025 |
Common Stock |
7.99K |
$7.84 |
Direct |
F1 |
| transaction |
(CALX) |
Stock Option (right to buy) |
Options Exercise |
$0 |
-18K |
-6.17% |
$0.00 |
274K |
Sep 11, 2025 |
Common Stock |
18K |
$7.84 |
Direct |
F1 |
* 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:
Remarks:
Sales reported on the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 28, 2025.