Stephen Mills
Insider
First SEC filing: Sept. 3, 2024 · Latest: Sept. 3, 2024
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 15, 2026 | AMCX | M | 29,236 | $12.27 | $358,726 | 29,736 Direct | +5847.20% | Acquired | -9.0% (price as of 2026-10-02) |
| Sept. 15, 2026 | AMCX | D | 29,236 | $12.27 | $358,726 | 500 Direct | -98.32% | Disposed | -9.0% (price as of 2026-10-02) |
| Sept. 15, 2026 | AMCX | M | 29,236 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 1, 2026 | SIGI | A | 1,767 | · | · | 8,311 Direct | +27.00% | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2025 | MSGS | A | 727 | · | · | 5,347 Direct | +15.74% | Acquired | (price as of 2026-10-02) |
| June 5, 2025 | AMCX | A | 21,194 | · | · | 29,236 Direct | +263.54% | Acquired | (price as of 2026-10-02) |
| May 2, 2025 | SIGI | A | 2,025 | · | · | 6,516 Direct | +45.09% | Acquired | (price as of 2026-10-02) |
| Dec. 4, 2024 | MSGS | A | 709 | · | · | 4,620 Direct | +18.13% | Acquired | (price as of 2026-10-02) |
| June 12, 2024 | AMCX | A | 8,042 | · | · | 8,042 Direct | · | Acquired | (price as of 2026-10-02) |
| May 3, 2024 | SIGI | A | 1,141 | · | · | 4,472 Direct | +34.25% | Acquired | (price as of 2026-10-02) |
| Dec. 11, 2023 | MSGS | A | 937 | · | · | 3,911 Direct | +31.51% | Acquired | (price as of 2026-10-02) |
| May 5, 2023 | SIGI | A | 1,065 | · | · | 3,318 Direct | +47.27% | Acquired | (price as of 2026-10-02) |
| Dec. 9, 2022 | MSGS | A | 1,027 | · | · | 2,974 Direct | +52.75% | Acquired | (price as of 2026-10-02) |
| May 6, 2022 | SIGI | A | 1,172 | · | · | 2,237 Direct | +110.05% | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2021 | MSGS | A | 884 | · | · | 1,947 Direct | +83.16% | Acquired | (price as of 2026-10-02) |
| April 30, 2021 | SIGI | A | 1,051 | · | · | 1,051 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 18, 2020 | MSGS | A | 626 | · | · | 1,063 Direct | +143.25% | Acquired | (price as of 2026-10-02) |
| May 19, 2020 | MSGS | A | 437 | · | · | 437 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Sept. 15, 2026 | AMCX | Restricted Stock Units | AMC Global Media Inc. Class A Common Stock | · | · | 29,236 | Disposed |
| Dec. 8, 2025 | MSGS | Restricted Stock Units | Class A Common Stock | · | · | 727 | Acquired |
| June 5, 2025 | AMCX | Restricted Stock Units | AMC Networks Inc. Class A Common Stock | · | · | 21,194 | Acquired |
| Dec. 4, 2024 | MSGS | Restricted Stock Units | Class A Common Stock | · | · | 709 | Acquired |
| June 12, 2024 | AMCX | Restricted Stock Units | AMC Networks Inc. Class A Common Stock | · | · | 8,042 | Acquired |
| Dec. 11, 2023 | MSGS | Restricted Stock Units | Class A Common Stock | · | · | 937 | Acquired |
| Dec. 9, 2022 | MSGS | Restricted Stock Units | Class A Common Stock | · | · | 1,027 | Acquired |
| Dec. 8, 2021 | MSGS | Restricted Stock Units | Class A Common Stock | · | · | 884 | Acquired |
| Dec. 18, 2020 | MSGS | Restricted Stock Units | Class A Common Stock | · | · | 626 | Acquired |
| May 19, 2020 | MSGS | Restricted Stock Units | Class A Common Stock | · | · | 437 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.