[144] CALIX, INC. SEC Filing

Rhea-AI Filing Summary

Calix, Inc. (CALX) notice reports a proposed sale under Rule 144 of 18,010 common shares valued at $1,134,630 to be sold through Morgan Stanley Smith Barney on the NYSE on 09/11/2025. The filing shows these 18,010 shares were acquired the same day by stock option exercise from the issuer and paid in cash. The form also discloses multiple recent sales by Michael Weening totaling 581,990 shares sold across six transactions between 07/22/2025 and 09/10/2025 with gross proceeds shown per transaction. The filing does not provide the issuer address or additional narrative disclosures.

Insights

Securities Analyst

TL;DR: Insider intends to sell newly exercised shares and has been an active seller in recent months, generating material proceeds.

The notice documents a proposed Rule 144 sale of 18,010 shares acquired by option exercise and paid in cash, to be executed via Morgan Stanley on the NYSE on 09/11/2025. The schedule of prior sales by Michael Weening shows substantial dispositions totaling 581,990 shares across six trades from 07/22/2025 to 09/10/2025 with aggregate proceeds reported per trade. For investors, this is a clear record of insider liquidity events; the filing contains no forward-looking commentary or issuer-specific operational data.

Corporate Governance Expert

TL;DR: Routine compliance filing documenting an insider sale tied to option exercise; no governance red flags disclosed here.

The submission follows Rule 144 requirements by identifying class, broker, sale date, acquisition method, and payment type. It confirms the seller's representation about material nonpublic information but provides no additional context on any trading plan or 10b5-1 adoption date. The form lacks issuer contact details and explicit signature block content within the provided text, limiting assessment to transaction-level disclosure only.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	18010	1134630.00	65303995	09/11/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/11/2025	Stock Option Exercise	ISSUER			18010	09/11/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
MICHAEL WEENING 3155 Olsen Drive, Suite 450 SAN JOSE CA 95117	Common	09/10/2025	157990	9803370.00
MICHAEL WEENING 3155 Olsen Drive, Suite 450 SAN JOSE CA 95117	Common	09/04/2025	24000	1440000.00
MICHAEL WEENING 3155 Olsen Drive, Suite 450 SAN JOSE CA 95117	Common	08/28/2025	126000	7560000.00
MICHAEL WEENING 3155 Olsen Drive, Suite 450 SAN JOSE CA 95117	Common	08/04/2025	74000	4218000.00
MICHAEL WEENING 3155 Olsen Drive, Suite 450 SAN JOSE CA 95117	Common	07/23/2025	108000	6064000.00
MICHAEL WEENING 3155 Olsen Drive, Suite 450 SAN JOSE CA 95117	Common	07/22/2025	92000	5060000.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)