Updated Jul 16, 2026 · Last SEC filing 2026-03-13
WATSCO INC (WSO) — no SEC Form 4 insider filings recorded in the last 90 days. 5 Form 8-K material event filings were reported by WSO in the last 90 days. InsiderAlpha tracks every WSO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000105016 |
|---|
| Form 8-K filings (90d) | 5 |
|---|---|
| Latest Form 4 filing | 2026-03-13 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| NAHMAD ALBERT H | Chairman and CEO | J — Other acquisition / disposition | 25 | $336.95 | $8K | SEC | |
| Nahmad Aaron J | President | J — Other acquisition / disposition | 25 | $336.95 | $8K | SEC | |
| LOGAN BARRY S | Executive Vice President | J — Other acquisition / disposition | 19 | $336.95 | $6K | SEC | |
| MENENDEZ ANA M | CFO / Treasurer | J — Other acquisition / disposition | 25 | $336.95 | $8K | SEC | |
| Lopez-Blazquez Ana | Insider | M — Option exercise | 1.0K | $250.84 | $251K | SEC | |
| Lopez-Blazquez Ana | Insider | F — Tax withholding / forfeiture | 707 | $354.61 | $251K | SEC | |
| Dickins Denise | Insider | G — Bona-fide gift | 269 | $0.00 | — | SEC | |
| Custer John Michael | Insider | S — Open-market sale | 2.2K | $448.27 | $986K | SEC | |
| Dickins Denise | Insider | G — Bona-fide gift | 191 | $0.00 | — | SEC | |
| Dickins Denise | Insider | F — Tax withholding / forfeiture | 1.6K | $484.84 | $787K | SEC | |
| Dickins Denise | Insider | M — Option exercise | 4.5K | $175.07 | $788K | SEC | |
| LOGAN BARRY S | Executive Vice President | S — Open-market sale | 11.0K | $508.21 | $5.59M | SEC | |
| LOGAN BARRY S | Executive Vice President | F — Tax withholding / forfeiture | 71.7K | $509.75 | $36.55M | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for WATSCO INC (WSO). Updated in real time as new filings are submitted to the SEC.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in WSO insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
Open the live WSO dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.