Updated Jul 16, 2026 · Last SEC filing 2026-06-03
Madison Square Garden Sports Corp. (MSGS) has filed 3 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-03. 2 Form 8-K material event filings were reported by MSGS in the last 90 days. 1 Form 144 notices of proposed sale were filed for MSGS stock. InsiderAlpha tracks every MSGS SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001636519 |
|---|
| Form 4 filings (90d) | 3 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-06-03 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| DOLAN CHARLES P | Insider | S — Open-market sale | 4.1K | $324.98 | $1.32M | SEC | |
| DOLAN CHARLES P | Insider | S — Open-market sale | 1.3K | $325.78 | $414K | SEC | |
| DOLAN CHARLES P | Insider | S — Open-market sale | 331 | $326.62 | $108K | SEC | |
| Mink Victoria | EVP, CFO Treasurer | M — Option exercise | 998 | $0.00 | — | SEC | |
| Mink Victoria | EVP, CFO Treasurer | M — Option exercise | 4.0K | $0.00 | — | SEC | |
| Mink Victoria | EVP, CFO Treasurer | F — Tax withholding / forfeiture | 2.0K | $210.95 | $421K | SEC | |
| Mink Victoria | EVP, CFO Treasurer | F — Tax withholding / forfeiture | 1.7K | $210.95 | $364K | SEC | |
| Warner Bryan | SVP, Head of Legal | F — Tax withholding / forfeiture | 117 | $210.95 | $25K | SEC | |
| Shvartsman Alexander | SVP, Controller PAO | M — Option exercise | 1.1K | $0.00 | — | SEC | |
| Shvartsman Alexander | SVP, Controller PAO | F — Tax withholding / forfeiture | 395 | $210.95 | $83K | SEC | |
| Shvartsman Alexander | SVP, Controller PAO | M — Option exercise | 343 | $0.00 | — | SEC | |
| Shvartsman Alexander | SVP, Controller PAO | M — Option exercise | 278 | $0.00 | — | SEC | |
| Shvartsman Alexander | SVP, Controller PAO | M — Option exercise | 274 | $0.00 | — | SEC | |
| Shvartsman Alexander | SVP, Controller PAO | F — Tax withholding / forfeiture | 321 | $210.95 | $68K | SEC | |
| Warner Bryan | SVP, Head of Legal | M — Option exercise | 291 | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Madison Square Garden Sports Corp. (MSGS). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Marianne E. Dolan Weber 2012 Descendants Trust | 1 | — |
| Ripp Christopher | 1 | — |
| CHARLES F. DOLAN 2009 FAMILY TRUST FBO MARIANNE DOLAN WEBER | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in MSGS 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 |
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