Key facts
- This page summarizes Michael Weening's Form 4 filing for CALIX, INC (CALX).
- 9 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 24 Jul 2025, 18:42.
Michael Weening - 22 Jul 2025 Form 4 Insider Report for CALIX, INC (CALX)
- Reporting relationship
- President & CEO, Director
- Issuer ticker
- CALX
- Reported as of
- 22 Jul 2025
- Net transaction value
- -$9,900,720
- SEC form
- 4
- Accepted by SEC
- 24 Jul 2025, 18:42:46 UTC
- Prior SEC filing
- 03 Jun 2025
- Next SEC filing
- 05 Aug 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Tom Gemetti as Attorney-in-Fact for Michael Weening
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Michael Weening filed Form 4 for CALIX, INC (CALX) on 24 Jul 2025.
Change
- Previous filing in this sequence was filed on 03 Jun 2025.
- Current net transaction value: -$9,900,720.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001678385
Primary reporting owner
Weening Michael
- Relationship
- President & CEO, Director
- Address
- C/O CALIX, INC., 2777 ORCHARD PARKWAY, SAN JOSE
- Signature
- /s/ Tom Gemetti as Attorney-in-Fact for Michael Weening
- Signature date
- 24 Jul 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
(CALX)
transaction
Common Stock
Options Exercise
- Transaction value
- $547,400
- Shares
- +92,000
- Change %
- +582%
- Price
- $5.95
- Shares after
- 107,812
- Date
- 22 Jul 2025
- Ownership
- Direct
(CALX)
transaction
Common Stock
Sale
- Transaction value
- $5,060,000
- Shares
- -92,000
- Change %
- -85%
- Price
- $55.00
- Shares after
- 15,812
- Date
- 22 Jul 2025
- Ownership
- Direct
(CALX)
transaction
Common Stock
Options Exercise
- Transaction value
- $547,400
- Shares
- +92,000
- Change %
- +582%
- Price
- $5.95
- Shares after
- 107,812
- Date
- 23 Jul 2025
- Ownership
- Direct
(CALX)
transaction
Common Stock
Sale
- Transaction value
- $5,152,000
- Shares
- -92,000
- Change %
- -85%
- Price
- $56.00
- Shares after
- 15,812
- Date
- 23 Jul 2025
- Ownership
- Direct
(CALX)
transaction
Common Stock
Options Exercise
- Transaction value
- $128,480
- Shares
- +16,000
- Change %
- +101%
- Price
- $8.03
- Shares after
- 31,812
- Date
- 23 Jul 2025
- Ownership
- Direct
(CALX)
transaction
Common Stock
Sale
- Transaction value
- $912,000
- Shares
- -16,000
- Change %
- -50%
- Price
- $57.00
- Shares after
- 15,812
- Date
- 23 Jul 2025
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
(CALX)
transaction
Derivative
Stock Option (right to buy)
Options Exercise
- Transaction value
- $0
- Shares
- -92,000
- Change %
- -50%
- Price
- $0.000000
- Shares after
- 92,000
- Date
- 22 Jul 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 92,000
- Exercise price
- $5.95
- Footnotes
- F1
(CALX)
transaction
Derivative
Stock Option (right to buy)
Options Exercise
- Transaction value
- $0
- Shares
- -92,000
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 23 Jul 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 92,000
- Exercise price
- $5.95
- Footnotes
- F1
(CALX)
transaction
Derivative
Stock Option (right to buy)
Options Exercise
- Transaction value
- $0
- Shares
- -16,000
- Change %
- -18%
- Price
- $0.000000
- Shares after
- 74,000
- Date
- 23 Jul 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 16,000
- Exercise price
- $8.03
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 2 footnotes
Footnote F1
100% of the shares subject to the option were fully vested and exercisable on January 1, 2021.
Footnote F2
100% of the shares subject to the option were fully vested and exercisable on February 14, 2023.
SEC remarks
Sales reported on the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 28, 2025.