Mark Mason
Insider
First SEC filing: June 9, 2026 · Latest: June 9, 2026
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-416,049
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 10, 2026 | MSFT | A | 1 | · | · | 428 Direct | +0.23% | Acquired | (price as of 2026-10-02) |
| Sept. 5, 2026 | MSFT | A | 195 | · | · | 427 Direct | +84.05% | Acquired | (price as of 2026-10-02) |
| June 11, 2026 | MSFT | A | 1 | · | · | 232 Direct | +0.43% | Acquired | (price as of 2026-10-02) |
| June 5, 2026 | MSFT | A | 231 | · | · | 231 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2026 | C | A | 39,347 | · | · | 39,347 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2026 | C | S | 2,000 | $114.96 | $229,920 | 233,789 Direct | -0.85% | Disposed | 11.8% (price as of 2026-10-02) |
| Feb. 20, 2026 | C | S | 1,627 | $114.40 | $186,129 | 235,789 Direct | -0.69% | Disposed | 12.3% (price as of 2026-10-02) |
| Feb. 11, 2026 | C | A | 52,367 | · | · | 237,416 Direct | +28.30% | Acquired | (price as of 2026-10-02) |
| Jan. 30, 2026 | MSFT | A | 145 | · | · | 1,675 Direct | +9.48% | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2026 | C | F | 29,210 | $118.04 | $3,447,948 | 185,048 Direct | -13.63% | Disposed | 8.9% (price as of 2026-10-02) |
| Dec. 4, 2025 | MSFT | A | 130 | · | · | 1,530 Direct | +9.29% | Acquired | (price as of 2026-10-02) |
| Sept. 10, 2025 | MSFT | A | 125 | · | · | 1,400 Direct | +9.80% | Acquired | (price as of 2026-10-02) |
| June 10, 2025 | MSFT | A | 132 | · | · | 1,275 Direct | +11.55% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2025 | C | A | 34,761 | · | · | 34,761 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2025 | C | G | 3,073 | · | · | 214,258 Direct | -1.41% | Disposed | (price as of 2026-10-02) |
| Feb. 14, 2025 | C | S | 58,465 | $83.21 | $4,864,873 | 217,331 Direct | -21.20% | Disposed | 54.4% (price as of 2026-10-02) |
| Feb. 13, 2025 | C | A | 51,872 | · | · | 275,796 Direct | +23.17% | Acquired | (price as of 2026-10-02) |
| Jan. 31, 2025 | MSFT | A | 151 | · | · | 1,143 Direct | +15.22% | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2025 | C | F | 28,711 | $79.99 | $2,296,593 | 223,924 Direct | -11.36% | Disposed | 60.6% (price as of 2026-10-02) |
| Dec. 9, 2024 | MSFT | A | 132 | · | · | 992 Direct | +15.35% | Acquired | (price as of 2026-10-02) |
| Sept. 6, 2024 | MSFT | A | 146 | · | · | 860 Direct | +20.45% | Acquired | (price as of 2026-10-02) |
| June 7, 2024 | MSFT | A | 138 | · | · | 714 Direct | +23.96% | Acquired | (price as of 2026-10-02) |
| Feb. 23, 2024 | C | A | 50,178 | · | · | 50,178 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2024 | C | A | 68,742 | · | · | 252,636 Direct | +37.38% | Acquired | (price as of 2026-10-02) |
| Jan. 31, 2024 | MSFT | A | 147 | · | · | 576 Direct | +34.27% | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2024 | C | F | 24,230 | $51.52 | $1,248,330 | 183,894 Direct | -11.64% | Disposed | 149.4% (price as of 2026-10-02) |
| Feb. 16, 2023 | C | A | 76,851 | · | · | 208,123 Direct | +58.54% | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2023 | C | F | 18,125 | $49.37 | $894,831 | 131,273 Direct | -12.13% | Disposed | 160.3% (price as of 2026-10-02) |
| Feb. 10, 2022 | C | A | 52,351 | · | · | 149,397 Direct | +53.94% | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2022 | C | F | 15,042 | $64.24 | $966,298 | 97,046 Direct | -13.42% | Disposed | 100.0% (price as of 2026-10-02) |
| May 7, 2021 | C | S | 15,366 | $74.03 | $1,137,545 | 112,089 Direct | -12.06% | Disposed | 73.6% (price as of 2026-10-02) |
| Feb. 11, 2021 | C | A | 50,178 | · | · | 127,455 Direct | +64.93% | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2021 | C | F | 11,298 | $63.69 | $719,570 | 77,277 Direct | -12.76% | Disposed | 101.8% (price as of 2026-10-02) |
| Feb. 13, 2020 | C | A | 38,411 | · | · | 88,575 Direct | +76.57% | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2020 | C | F | 10,764 | $81.12 | $873,176 | 50,164 Direct | -17.67% | Disposed | 58.4% (price as of 2026-10-02) |
| March 15, 2019 | PRI | J | 3 | $123.22 | $370 | 4,456 Direct | +0.07% | Acquired | 123.5% (price as of 2026-10-02) |
| Dec. 14, 2018 | PRI | J | 3 | $103.75 | $311 | 4,453 Direct | +0.07% | Acquired | 165.5% (price as of 2026-10-02) |
| Sept. 14, 2018 | PRI | J | 3 | $125.25 | $376 | 4,450 Direct | +0.07% | Acquired | 119.9% (price as of 2026-10-02) |
| June 15, 2018 | PRI | J | 3 | $101.10 | $303 | 4,447 Direct | +0.07% | Acquired | 172.4% (price as of 2026-10-02) |
| June 14, 2018 | PRI | G | 1,000 | · | · | 4,444 Direct | -18.37% | Disposed | (price as of 2026-10-02) |
| May 16, 2018 | PRI | A | 1,054 | $94.80 | $99,919 | 5,444 Direct | +24.01% | Acquired | 190.5% (price as of 2026-10-02) |
| March 16, 2018 | PRI | J | 3 | $100.55 | $302 | 4,390 Direct | +0.07% | Acquired | 173.9% (price as of 2026-10-02) |
| Dec. 15, 2017 | PRI | J | 2 | $101.65 | $203 | 4,387 Direct | +0.05% | Acquired | 170.9% (price as of 2026-10-02) |
| Sept. 15, 2017 | PRI | J | 3 | $75.15 | $225 | 4,384 Direct | +0.07% | Acquired | 266.5% (price as of 2026-10-02) |
| June 15, 2017 | PRI | J | 3 | $75.40 | $226 | 4,381 Direct | +0.07% | Acquired | 265.3% (price as of 2026-10-02) |
| May 17, 2017 | PRI | A | 1,247 | $80.15 | $99,947 | 4,378 Direct | +39.83% | Acquired | 243.6% (price as of 2026-10-02) |
| May 20, 2016 | PRI | A | 1,909 | $52.36 | $99,955 | 7,450 Direct | +34.45% | Acquired | 426.0% (price as of 2026-10-02) |
| May 20, 2015 | PRI | A | 1,639 | $45.74 | $74,968 | 5,541 Direct | +42.00% | Acquired | 502.1% (price as of 2026-10-02) |
| May 21, 2014 | PRI | A | 1,732 | · | · | 3,902 Direct | +79.82% | Acquired | (price as of 2026-10-02) |
| May 22, 2013 | PRI | A | 2,170 | · | · | 2,170 Direct | · | Acquired | (price as of 2026-10-02) |
| May 16, 2012 | PRI | A | 3,131 | $23.95 | $74,987 | 3,131 Direct | · | Acquired | 1050.0% (price as of 2026-10-02) |
| Dec. 19, 2011 | PRI | S | 8,081,542 | $21.68 | $175,207,831 | 0 Indirect | -100.00% | Disposed | 1170.4% (price as of 2026-10-02) |
| Nov. 15, 2011 | PRI | D | 8,920,606 | $22.42 | $199,999,987 | 8,081,542 Indirect | -52.47% | Disposed | 1128.5% (price as of 2026-10-02) |
| April 20, 2011 | PRI | S | 12,000,000 | $21.73 | $260,760,000 | 17,002,148 Indirect | -41.38% | Disposed | 1167.5% (price as of 2026-10-02) |
| April 15, 2010 | PRI | S | 4,103,110 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 15, 2010 | PRI | S | 16,412,440 | · | · | 29,002,148 Indirect | -36.14% | Disposed | (price as of 2026-10-02) |
| April 7, 2010 | PRI | S | 24,564,000 | $13.95 | $342,667,800 | 45,414,588 Indirect | -35.10% | Disposed | 1874.3% (price as of 2026-10-02) |
| April 1, 2010 | PRI | A | 4,103,100 | · | · | 4,103,100 Indirect | · | Acquired | (price as of 2026-10-02) |
| April 1, 2010 | PRI | J | 5,021,412 | · | · | 69,978,588 Indirect | -6.70% | Disposed | (price as of 2026-10-02) |
| April 1, 2010 | PRI | A | 74,999,900 | · | · | 75,000,000 Indirect | +74999900.00% | Acquired | (price as of 2026-10-02) |
| April 1, 2010 | PRI | J | 4,103,100 | · | · | 4,103,100 Indirect | · | Acquired | (price as of 2026-10-02) |
| April 1, 2010 | PRI | S | 5,021,412 | · | · | 69,978,588 Indirect | -6.70% | Disposed | (price as of 2026-10-02) |
| April 1, 2010 | PRI | J | 74,999,900 | · | · | 75,000,000 Indirect | +74999900.00% | 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. 10, 2026 | MSFT | Restricted Stock Units | Common Stock | · | · | 1 | Acquired |
| Sept. 5, 2026 | MSFT | Restricted Stock Units | Common Stock | · | · | 195 | Acquired |
| June 11, 2026 | MSFT | Restricted Stock Units | Common Stock | · | · | 1 | Acquired |
| June 5, 2026 | MSFT | Restricted Stock Units | Common Stock | · | · | 231 | Acquired |
| Feb. 20, 2026 | C | Performance Share Units | Common Stock | · | · | 39,347 | Acquired |
| Feb. 21, 2025 | C | Performance Share Unit | Common Stock | · | · | 34,761 | Acquired |
| Feb. 23, 2024 | C | Performance Share Unit | Common Stock | · | · | 50,178 | Acquired |
| May 20, 2016 | PRI | Restricted Stock Unit | Common Stock | · | · | 1,909 | Acquired |
| May 20, 2015 | PRI | Restricted Stock Unit | Common Stock | · | · | 1,639 | Acquired |
| May 21, 2014 | PRI | Restricted Stock Unit | Common Stock | · | · | 1,732 | Acquired |
| May 22, 2013 | PRI | Restricted Stock Unit | Common Stock | · | · | 2,170 | Acquired |
| April 15, 2010 | PRI | Warrants | Common Stock | $18.00 | April 15, 2017 | 4,103,110 | Disposed |
| April 1, 2010 | PRI | Warrants [F1] | Common Stock | $18.00 | · | 4,103,100 | Acquired |
| April 1, 2010 | PRI | Warrant [F1] | Common Stock | $18.00 | · | 4,103,100 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $1,000,000 | $8,403,640 | $10,117,325 | · | · | $2,886 | $12,000 | $19,535,851 |
| 2023 | $1,000,000 | $4,930,000 | $7,535,196 | · | $1,001,378 | $2,122 | $19,800 | $14,488,496 |
| 2022 | $1,000,000 | $5,216,000 | $7,201,834 | · | $1,608,239 | $1,792 | $18,300 | $15,046,165 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.