Carl Russo - 25 Feb 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
25 Feb 2026
Net transactions value
+$126,300
Form type
4
Filing time
26 Feb 2026, 16:17:26 UTC
Previous 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 26 Feb 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 3,993,070 25 Feb 2026 Direct
holding (CALX) Common Stock 13,782 25 Feb 2026 See Footnote F1
holding (CALX) Common Stock 1,669,188 25 Feb 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 -1.8% $0.000000 560,000 25 Feb 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 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.
F2 Shares held by The Crescentico Trust, Carl Russo, Trustee.
F3 100% of the shares subject to the option were fully vested and exercisable on May 22, 2024.