Carl Russo - 07 Jan 2026 Form 4 Insider Report for CALIX, INC (CALX)

Role
Director, 10%+ Owner
Signature
/s/ Tom Gemetti as Attorney-in-Fact for Carl Russo
Issuer symbol
CALX
Transactions as of
07 Jan 2026
Net transactions value
+$126,300
Form type
4
Filing time
08 Jan 2026, 16:11:41 UTC
Previous filing
05 Jan 2026
Next filing
04 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Russo Carl Director, 10%+ Owner C/O CALIX, INC., 3155 OLSEN DRIVE, SUITE 450, SAN JOSE /s/ Tom Gemetti as Attorney-in-Fact for Carl Russo 08 Jan 2026 0001483757

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction (CALX) Common Stock Options Exercise $126,300 +10,000 +0.25% $12.63 3,983,070 07 Jan 2026 Direct
holding (CALX) Common Stock 1,694,188 07 Jan 2026 See Footnote F1
holding (CALX) Common Stock 13,782 07 Jan 2026 See Footnote F2

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 -10,000 -1.7% $0.000000 570,000 07 Jan 2026 Common Stock 10,000 $12.63 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares held by The Crescentico Trust, Carl Russo, Trustee.
F2 Shares held by Equanimous Investments. The managing members of Equanimous Investments are Carl Russo and Tim Pasquinelli. These individuals may be deemed to have shared voting and investment power over the shares held by Equanimous Investments. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.
F3 100% of the shares subject to the option were fully vested and exercisable on May 22, 2024.