Wade Oosterman - 14 May 2026 Form 4 Insider Report for CALIX, INC ((CALX))

Reporting relationship: Director
Issuer ticker: (CALX)
Reported as of: 14 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 May 2026, 18:02:11 UTC
Prior SEC filing: 16 Jun 2025
Next SEC filing: 26 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Tom Gemetti as Attorney-in-Fact for Wade Oosterman

Key filing fact

Wade Oosterman filed Form 4 for CALIX, INC ((CALX)) on 18 May 2026.

Key facts

This page summarizes Wade Oosterman's Form 4 filing for CALIX, INC ((CALX)).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 18 May 2026, 18:02.

Change

Previous filing in this sequence was filed on 16 Jun 2025.
Current net transaction value: $0.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001587270 Primary reporting owner

Oosterman Wade

Relationship: Director
Address: C/O CALIX, INC., 3155 OLSEN DRIVE, SUITE 450, SAN JOSE
Signature: /s/ Tom Gemetti as Attorney-in-Fact for Wade Oosterman
Signature date: 18 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

(CALX) transaction

Common Stock

Award

Transaction value
Shares: +4,967
Change %: +69%
Price: $0.000000^*
Shares after: 12,156
Date: 14 May 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents a grant of restricted stock units ("RSUs") awarded pursuant to the issuer's non-employee director equity compensation policy, that will vest in full one day prior to the issuer's next annual stockholder meeting. Each RSU represents a contingent right to receive one share of the issuer's common stock.

Footnote F2

Amount of securities beneficially owned includes 4,967 unvested RSUs.