Key facts
- This page summarizes Michael Weening's Form 4 filing for CALIX, INC (CALX).
- 7 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 03 Nov 2025, 19:11.
Michael Weening - 30 Oct 2025 Form 4 Insider Report for CALIX, INC (CALX)
- Reporting relationship
- President & CEO, Director
- Issuer ticker
- CALX
- Reported as of
- 30 Oct 2025
- Net transaction value
- -$15,912,422
- SEC form
- 4
- Accepted by SEC
- 03 Nov 2025, 19:11:36 UTC
- Prior SEC filing
- 11 Sep 2025
- Next SEC filing
- 17 Feb 2026
- 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 03 Nov 2025.
Change
- Previous filing in this sequence was filed on 11 Sep 2025.
- Current net transaction value: -$15,912,422.
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., 3155 OLSEN DRIVE, SUITE 450, SAN JOSE
- Signature
- /s/ Tom Gemetti as Attorney-in-Fact for Michael Weening
- Signature date
- 03 Nov 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
(CALX)
transaction
Common Stock
Options Exercise
- Transaction value
- $1,568,000
- Shares
- +200,000
- Change %
- +1241%
- Price
- $7.84
- Shares after
- 216,117
- Date
- 30 Oct 2025
- Ownership
- Direct
(CALX)
transaction
Common Stock
Sale
- Transaction value
- $9,694,200
- Shares
- -150,000
- Change %
- -69%
- Price
- $64.63
- Shares after
- 66,117
- Date
- 30 Oct 2025
- Ownership
- Direct
- Footnotes
- F1
(CALX)
transaction
Common Stock
Sale
- Transaction value
- $3,377,280
- Shares
- -50,000
- Change %
- -76%
- Price
- $67.55
- Shares after
- 16,117
- Date
- 30 Oct 2025
- Ownership
- Direct
- Footnotes
- F2
(CALX)
transaction
Common Stock
Options Exercise
- Transaction value
- $580,160
- Shares
- +74,000
- Change %
- +459%
- Price
- $7.84
- Shares after
- 90,117
- Date
- 03 Nov 2025
- Ownership
- Direct
(CALX)
transaction
Common Stock
Sale
- Transaction value
- $4,989,102
- Shares
- -74,000
- Change %
- -82%
- Price
- $67.42
- Shares after
- 16,117
- Date
- 03 Nov 2025
- Ownership
- Direct
- Footnotes
- F3
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
- -200,000
- Change %
- -73%
- Price
- $0.000000
- Shares after
- 74,000
- Date
- 30 Oct 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 200,000
- Exercise price
- $7.84
- Footnotes
- F4
(CALX)
transaction
Derivative
Stock Option (right to buy)
Options Exercise
- Transaction value
- $0
- Shares
- -74,000
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 03 Nov 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 74,000
- Exercise price
- $7.84
- Footnotes
- F4
* 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 4 footnotes
Footnote F1
The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $64.55 to $65.00, inclusive. Full information on the number of shares sold at each sale price is available upon request.
Footnote F2
The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $67.35 to $67.93, inclusive. Full information on the number of shares sold at each sale price is available upon request.
Footnote F3
The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $66.245 to $69.450, inclusive. Full information on the number of shares sold at each sale price is available upon request.
Footnote F4
100% of the shares subject to the option were fully vested and exercisable on November 27, 2023.
SEC remarks
Sales reported on the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on February 28, 2025.