Mills Stephen
SEC insider (Form 3/4/5 filer). CIK 0001807264. Director at AMC Global Media Inc. (AMCX) and 2 other issuers. 7 reported Form 4/5 transactions since Sep 2024; latest on Sep 15, 2026. Located in NEW YORK, NY.
Companies Mills Stephen has filed insider reports for
- AMC Global Media Inc. (AMCX): Director
- SELECTIVE INSURANCE GROUP INC (SIGI): Director
- Madison Square Garden Sports Corp. (MSGS): Director
Mills Stephen
CIK: 0001807264
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (7 total)
- Sep 15, 2026AMCX
AMC Global Media Inc.
DispositionDirect29.2K shares at avg. $12.27$359K - Sep 15, 2026AMCX
AMC Global Media Inc.
ExerciseDirect29.2K shares at avg. $12.27$359K - May 1, 2026SIGI
SELECTIVE INSURANCE GROUP INC
AwardDirect1.8K shares- - Dec 8, 2025MSGS
Madison Square Garden Sports Corp.
AwardDirectRestricted Stock Units
727 shares- - Jun 5, 2025AMCX
AMC Networks Inc.
AwardDirectRestricted Stock Units
21.2K shares- - May 2, 2025SIGI
SELECTIVE INSURANCE GROUP INC
AwardDirect2K shares- - Dec 4, 2024MSGS
Madison Square Garden Sports Corp.
AwardDirectRestricted Stock Units
709 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 15, 2026 |  AMCX AMC Global Media Inc. | Disposition | 29,236 | $12.27 | $358,726 | Direct |
| Sep 15, 2026 | AMCX AMC Global Media Inc. | Exercise | 29,236 | $12.27 | $358,726 | Direct |
| May 1, 2026 |  SIGI SELECTIVE INSURANCE GROUP INC | Award | 1,767 | - | $0 | Direct |
| Dec 8, 2025 |  MSGS Madison Square Garden Sports Corp. | Award Restricted Stock Units | 727 | - | - | Direct |
| Jun 5, 2025 | AMCX AMC Networks Inc. | Award Restricted Stock Units | 21,194 | - | - | Direct |
| May 2, 2025 | SIGI SELECTIVE INSURANCE GROUP INC | Award | 2,025 | - | - | Direct |
| Dec 4, 2024 | MSGS Madison Square Garden Sports Corp. | Award Restricted Stock Units | 709 | - | - | Direct |
1-7 of 7 transactions