Key facts
- This page summarizes Albert H. Nahmad's Form 4 filing for WATSCO INC (WSO).
- 1 reported transaction and 5 derivative rows are listed below.
- Accepted by SEC: 19 Oct 2026, 16:15.
Albert H. Nahmad - 15 Oct 2026 Form 4 Insider Report for WATSCO INC (WSO)
- Reporting relationship
- Chairman and CEO, Director
- Issuer ticker
- WSO
- Reported as of
- 15 Oct 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 19 Oct 2026, 16:15:00 UTC
- Prior SEC filing
- 13 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Albert H. Nahmad
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Filing notes and source
Key filing fact
Albert H. Nahmad filed Form 4 for WATSCO INC (WSO) on 19 Oct 2026.
Change
- Previous filing in this sequence was filed on 13 Mar 2026.
- 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001243203
Primary reporting owner
NAHMAD ALBERT H
- Relationship
- Chairman and CEO, Director
- Address
- 2665 S. BAYSHORE DRIVE, SUITE 901, MIAMI
- Signature
- /s/ Albert H. Nahmad
- Signature date
- 19 Oct 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
WSO
holding
Common stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 92
- Date
- 15 Oct 2026
- Ownership
- Se footnote
- Footnotes
- F1
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
WSO
transaction
Derivative
Class B Common stock
Tax liability
- Transaction value
- Shares
- -314,576
- Change %
- -35%
- Price
- $287.50*
- Shares after
- 587,430
- Date
- 15 Oct 2026
- Ownership
- See footnote
- Underlying class
- Class B Common stock
- Underlying amount
- 314,576
- Exercise price
- Footnotes
- F2, F4
WSO
holding
Derivative
Class B Common stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 440,000
- Date
- 15 Oct 2026
- Ownership
- See footnote
- Underlying class
- Class B Common stock
- Underlying amount
- 440,000
- Exercise price
- Footnotes
- F2, F3
WSO
holding
Derivative
Class B Common stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 160,385
- Date
- 15 Oct 2026
- Ownership
- Direct
- Underlying class
- Class B Common stock
- Underlying amount
- 160,385
- Exercise price
- Footnotes
- F2, F5
WSO
holding
Derivative
Class B Common stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,596,455
- Date
- 15 Oct 2026
- Ownership
- See footnote
- Underlying class
- Class B Common stock
- Underlying amount
- 2,596,455
- Exercise price
- Footnotes
- F2, F6, F7
WSO
holding
Derivative
Class B Common stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 206,976
- Date
- 15 Oct 2026
- Ownership
- See footnote
- Underlying class
- Class B Common stock
- Underlying amount
- 206,976
- Exercise price
- Footnotes
- F2, F8
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 8 footnotes
Footnote F1
Ownership in Watsco, Inc. Profit Sharing Retirement Plan and Trust.
Footnote F2
The Class B Common Stock is convertible into Common Stock at any time on a one-for-one basis and has no expiration date.
Footnote F3
Reflects shares held by Albert Henry Capital L.P., a limited partnership over which Mr. Nahmad maintains effective control, which are subject to vesting restrictions.
Footnote F4
Reflects shares held by My Pal Al, L.P., a limited partnership over which Mr. Nahmad maintains effective control. Of the number of shares held following the reported transaction (Mr. Nahmad's vesting of restricted stock), 102,575 remain subject to vesting restrictions.
Footnote F5
Reflects shares held by Gramps G-MA, L.P, a limited partnership over which Mr. Nahmad maintains effective control, which are subject to vesting restrictions.
Footnote F6
Includes 9,202 and 9,842 shares acquired on April 30, 2026 and July 31, 2026, respectively, under the Watsco Inc. Dividend Reinvestment Plan.
Footnote F7
Reflects shares held by various trusts over which Mr. Nahmad maintains effective control.
Footnote F8
Reflects shares owned by Colon Boy LP, a limited partnership, over which Mr. Nahmad maintains effective control.