Mark M. Anderson
Insider
First SEC filing: April 9, 2021 · Latest: June 11, 2026
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. 30, 2026 | GOGO | A | 27,906 | · | · | 166,890 Direct | +20.08% | Acquired | (price as of 2026-10-05) |
| June 30, 2026 | GOGO | A | 19,354 | · | · | 138,984 Direct | +16.18% | Acquired | (price as of 2026-10-05) |
| June 9, 2026 | SEATW | A | 19,488 | · | · | 19,488 Direct | · | Acquired | (price as of 2026-10-05) |
| June 3, 2026 | SEATW | M | 6,579 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 3, 2026 | SEATW | M | 6,579 | · | · | 11,410 Direct | +136.18% | Acquired | (price as of 2026-10-05) |
| March 31, 2026 | GOGO | A | 14,925 | · | · | 119,630 Direct | +14.25% | Acquired | (price as of 2026-10-05) |
| Dec. 31, 2025 | GOGO | A | 12,875 | · | · | 104,705 Direct | +14.02% | Acquired | (price as of 2026-10-05) |
| Oct. 19, 2025 | SEATW | M | 245 | · | · | 245 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Oct. 19, 2025 | SEATW | M | 245 | · | · | 4,831 Direct | +5.34% | Acquired | (price as of 2026-10-05) |
| Sept. 30, 2025 | GOGO | A | 6,984 | · | · | 91,830 Direct | +8.23% | Acquired | (price as of 2026-10-05) |
| June 30, 2025 | GOGO | A | 4,087 | · | · | 84,846 Direct | +5.06% | Acquired | (price as of 2026-10-05) |
| June 3, 2025 | SEATW | A | 131,578 | · | · | 131,578 Direct | · | Acquired | (price as of 2026-10-05) |
| June 2, 2025 | SEATW | M | 38,167 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 2, 2025 | SEATW | M | 38,167 | · | · | 91,746 Direct | +71.23% | Acquired | (price as of 2026-10-05) |
| March 31, 2025 | GOGO | A | 6,960 | · | · | 80,759 Direct | +9.43% | Acquired | (price as of 2026-10-05) |
| Dec. 31, 2024 | GOGO | A | 7,416 | · | · | 73,799 Direct | +11.17% | Acquired | (price as of 2026-10-05) |
| Oct. 19, 2024 | SEATW | M | 4,889 | · | · | 9,779 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Oct. 19, 2024 | SEATW | M | 4,889 | · | · | 53,579 Direct | +10.04% | Acquired | (price as of 2026-10-05) |
| Sept. 30, 2024 | GOGO | A | 8,356 | · | · | 66,383 Direct | +14.40% | Acquired | (price as of 2026-10-05) |
| June 30, 2024 | GOGO | A | 6,237 | · | · | 58,027 Direct | +12.04% | Acquired | (price as of 2026-10-05) |
| June 4, 2024 | SEATW | A | 38,167 | · | · | 38,167 Direct | · | Acquired | (price as of 2026-10-05) |
| June 3, 2024 | SEATW | M | 20,833 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 3, 2024 | SEATW | M | 20,833 | · | · | 48,690 Direct | +74.79% | Acquired | (price as of 2026-10-05) |
| March 31, 2024 | GOGO | A | 6,833 | · | · | 51,790 Direct | +15.20% | Acquired | (price as of 2026-10-05) |
| Dec. 29, 2023 | GOGO | A | 5,923 | · | · | 44,957 Direct | +15.17% | Acquired | (price as of 2026-10-05) |
| Oct. 19, 2023 | SEATW | M | 4,889 | · | · | 14,668 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| Oct. 19, 2023 | SEATW | M | 4,889 | · | · | 27,857 Direct | +21.29% | Acquired | (price as of 2026-10-05) |
| Sept. 30, 2023 | GOGO | A | 5,029 | · | · | 39,034 Direct | +14.79% | Acquired | (price as of 2026-10-05) |
| June 30, 2023 | GOGO | A | 3,527 | · | · | 34,005 Direct | +11.57% | Acquired | (price as of 2026-10-05) |
| June 6, 2023 | SEATW | A | 20,833 | · | · | 20,833 Direct | · | Acquired | (price as of 2026-10-05) |
| June 5, 2023 | SEATW | M | 18,079 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2023 | SEATW | M | 18,079 | · | · | 22,968 Direct | +369.79% | Acquired | (price as of 2026-10-05) |
| March 31, 2023 | GOGO | A | 4,137 | · | · | 30,478 Direct | +15.71% | Acquired | (price as of 2026-10-05) |
| Dec. 31, 2022 | GOGO | A | 4,065 | · | · | 26,341 Direct | +18.25% | Acquired | (price as of 2026-10-05) |
| Oct. 19, 2022 | SEATW | M | 4,889 | · | · | 19,557 Direct | -20.00% | Disposed | (price as of 2026-10-05) |
| Oct. 19, 2022 | SEATW | M | 4,889 | · | · | 4,889 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 30, 2022 | GOGO | A | 4,950 | · | · | 22,276 Direct | +28.57% | Acquired | (price as of 2026-10-05) |
| June 30, 2022 | GOGO | A | 3,705 | · | · | 17,326 Direct | +27.20% | Acquired | (price as of 2026-10-05) |
| June 7, 2022 | SEATW | A | 18,079 | · | · | 18,079 Direct | · | Acquired | (price as of 2026-10-05) |
| March 31, 2022 | GOGO | A | 3,147 | · | · | 13,621 Direct | +30.05% | Acquired | (price as of 2026-10-05) |
| Dec. 31, 2021 | GOGO | A | 3,510 | · | · | 10,474 Direct | +50.40% | Acquired | (price as of 2026-10-05) |
| Oct. 19, 2021 | SEATW | A | 24,446 | · | · | 24,446 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 30, 2021 | GOGO | A | 2,745 | · | · | 6,964 Direct | +65.06% | Acquired | (price as of 2026-10-05) |
| June 30, 2021 | GOGO | A | 4,219 | · | · | 4,219 Direct | · | Acquired | (price as of 2026-10-05) |
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. 30, 2026 | GOGO | Deferred Share Units | Common Stock | · | · | 27,906 | Acquired |
| June 30, 2026 | GOGO | Deferred Share Units | Common Stock | · | · | 19,354 | Acquired |
| June 9, 2026 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 19,488 | Acquired |
| June 3, 2026 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 6,579 | Disposed |
| March 31, 2026 | GOGO | Deferred Share Units | Common Stock | · | · | 14,925 | Acquired |
| Dec. 31, 2025 | GOGO | Deferred Share Units | Common Stock | · | · | 12,875 | Acquired |
| Oct. 19, 2025 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 245 | Disposed |
| Sept. 30, 2025 | GOGO | Deferred Share Units | Common Stock | · | · | 6,984 | Acquired |
| June 30, 2025 | GOGO | Deferred Share Units | Common Stock | · | · | 4,087 | Acquired |
| June 3, 2025 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 131,578 | Acquired |
| June 2, 2025 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 38,167 | Disposed |
| March 31, 2025 | GOGO | Deferred Share Units | Common Stock | · | · | 6,960 | Acquired |
| Dec. 31, 2024 | GOGO | Deferred Share Units | Common Stock | · | · | 7,416 | Acquired |
| Oct. 19, 2024 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 4,889 | Disposed |
| Sept. 30, 2024 | GOGO | Deferred Share Units | Common Stock | · | · | 8,356 | Acquired |
| June 30, 2024 | GOGO | Deferred Share Units | Common Stock | · | · | 6,237 | Acquired |
| June 4, 2024 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 38,167 | Acquired |
| June 3, 2024 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 20,833 | Disposed |
| March 31, 2024 | GOGO | Deferred Share Units | Common Stock | · | · | 6,833 | Acquired |
| Dec. 29, 2023 | GOGO | Deferred Share Units | Common Stock | · | · | 5,923 | Acquired |
| Oct. 19, 2023 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 4,889 | Disposed |
| Sept. 30, 2023 | GOGO | Deferred Share Units | Common Stock | · | · | 5,029 | Acquired |
| June 30, 2023 | GOGO | Deferred Share Units | Common Stock | · | · | 3,527 | Acquired |
| June 6, 2023 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 20,833 | Acquired |
| June 5, 2023 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 18,079 | Disposed |
| March 31, 2023 | GOGO | Deferred Share Units | Common Stock | · | · | 4,137 | Acquired |
| Dec. 31, 2022 | GOGO | Deferred Share Units | Common Stock | · | · | 4,065 | Acquired |
| Oct. 19, 2022 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 4,889 | Disposed |
| Sept. 30, 2022 | GOGO | Deferred Share Units | Common Stock | · | · | 4,950 | Acquired |
| June 30, 2022 | GOGO | Deferred Share Units | Common Stock | · | · | 3,705 | Acquired |
| June 7, 2022 | SEATW | Restricted Stock Units | Class A Common Stock | · | · | 18,079 | Acquired |
| March 31, 2022 | GOGO | Deferred Share Units | Common Stock | · | · | 3,147 | Acquired |
| Dec. 31, 2021 | GOGO | Deferred Share Units | Common Stock | · | · | 3,510 | Acquired |
| Oct. 19, 2021 | SEATW | Restricted Stock Unit | Class A Common Stock | · | · | 24,446 | Acquired |
| Sept. 30, 2021 | GOGO | Deferred Share Units | Common Stock | · | · | 2,745 | Acquired |
| June 30, 2021 | GOGO | Deferred Share Units | Common Stock | · | · | 4,219 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 9, 2021 | GOGO | Common Stock | 0 | Direct |