Calix director granted 4,967 restricted stock units

BERRY MICHAEL J reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

BERRY MICHAEL J reported acquisition or exercise transactions in this Form 4 filing.

CALIX, INC director Michael J. Berry received an equity award of 4,967 restricted stock units (RSUs). The RSUs were granted at no cash cost and are scheduled to vest in full one day before Calix’s next annual stockholder meeting, subject to continued service under the non-employee director equity compensation policy.

After this grant, Berry beneficially owns 9,656 shares of Calix common stock, including the 4,967 unvested RSUs, giving investors a clear view of his current direct equity stake in the company.

Insider Trade Summary

Grant/Award: 4,967 shares

Grant/Award 1 txn

Insider BERRY MICHAEL J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	4,967	$0.00	$0.00

Holdings After Transaction: Common Stock — 9,656 shares (Direct)

Footnotes (2)

1. 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.
2. F2. Amount of securities beneficially owned includes 4,967 unvested RSUs.

Key Figures

RSU grant size: 4,967 shares Grant price: $0.0000 per share Total beneficial ownership: 9,656 shares +1 more

4 metrics

RSU grant size 4,967 shares Restricted stock units awarded on May 14, 2026

Grant price $0.0000 per share Stated price per share for RSU award

Total beneficial ownership 9,656 shares Calix common stock held after the RSU grant

Unvested RSUs included 4,967 RSUs Unvested RSUs counted within beneficial ownership

Key Terms

restricted stock units ("RSUs"), non-employee director equity compensation policy, beneficially owned, contingent right

4 terms

restricted stock units ("RSUs") financial

"Represents a grant of restricted stock units ("RSUs") awarded pursuant to the issuer's non-employee director equity compensation policy"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

non-employee director equity compensation policy financial

"RSUs awarded pursuant to the issuer's non-employee director equity compensation policy, that will vest in full one day prior"

beneficially owned financial

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

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

contingent right financial

"Each RSU represents a contingent right to receive one share of the issuer's common stock"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Calix (CALX) director Michael J. Berry report in this Form 4?

Michael J. Berry reported receiving 4,967 restricted stock units in Calix common stock. The award is part of the non-employee director equity compensation policy and was granted at no cash cost, increasing his reported beneficial ownership to 9,656 shares after the transaction.

How many Calix (CALX) shares does Michael J. Berry own after this RSU grant?

After the RSU grant, Michael J. Berry beneficially owns 9,656 Calix common shares. This total includes 4,967 unvested restricted stock units, each representing a contingent right to receive one share upon vesting according to the company’s director compensation policy.

What are the vesting terms of Michael J. Berry’s new Calix (CALX) RSUs?

The 4,967 restricted stock units granted to Michael J. Berry will vest in full one day before Calix’s next annual stockholder meeting. Each RSU converts into one share of common stock upon vesting, assuming he continues to satisfy the applicable service conditions.

Did Michael J. Berry buy or sell Calix (CALX) shares on the market in this filing?

No open-market buy or sell occurred in this Form 4. The filing reports a grant of 4,967 restricted stock units as compensation, with a stated price of $0.0000 per share, rather than a purchase or sale transaction on a securities exchange.

What does the RSU grant indicate about Calix (CALX) director compensation?

The RSU grant reflects Calix’s non-employee director equity compensation policy, which pays part of director compensation in stock-based awards. Berry’s 4,967 restricted stock units align his interests with shareholders by tying value to future Calix share performance after the units vest.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/18/2026 - 06:03 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BERRY MICHAEL J

(Last) (First) (Middle)

C/O CALIX, INC.

3155 OLSEN DRIVE, SUITE 450

(Street)

SAN JOSE CALIFORNIA 95117

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CALIX, INC [ (CALX) ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/14/2026		A		4,967(1)	A	$0	9,656(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

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

Remarks:

	/s/ Tom Gemetti as Attorney-in-Fact for Michael J. Berry	05/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)