Mark D Mauldin
First SEC filing: April 16, 2021 · Latest: Jan. 13, 2025
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | SLAB | F | 858 | $216.59 | $185,834 | 21,090 Direct | -3.91% | Disposed | 2.8% (price as of 2026-10-02) |
| April 30, 2026 | SLAB | A | 18 | $86.46 | $1,556 | 21,948 Direct | +0.08% | Acquired | 157.6% (price as of 2026-10-02) |
| Feb. 15, 2026 | SLAB | A | 3,153 | · | · | 21,930 Direct | +16.79% | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2026 | SLAB | F | 356 | $207.27 | $73,788 | 18,777 Direct | -1.86% | Disposed | 7.5% (price as of 2026-10-02) |
| Oct. 31, 2025 | SLAB | A | 21 | $86.46 | $1,816 | 19,133 Direct | +0.11% | Acquired | 157.6% (price as of 2026-10-02) |
| May 15, 2025 | SLAB | A | 2,456 | · | · | 19,990 Direct | +14.01% | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | SLAB | F | 878 | $133.17 | $116,923 | 19,112 Direct | -4.39% | Disposed | 67.3% (price as of 2026-10-02) |
| April 30, 2025 | SLAB | A | 19 | $86.46 | $1,643 | 17,534 Direct | +0.11% | Acquired | 157.6% (price as of 2026-10-02) |
| Feb. 14, 2025 | SLAB | F | 367 | $149.54 | $54,881 | 17,515 Direct | -2.05% | Disposed | 49.0% (price as of 2026-10-02) |
| May 15, 2024 | SLAB | F | 709 | $131.57 | $93,283 | 13,868 Direct | -4.86% | Disposed | 69.3% (price as of 2026-10-02) |
| May 15, 2024 | SLAB | A | 3,993 | · | · | 17,861 Direct | +28.79% | Acquired | (price as of 2026-10-02) |
| April 30, 2024 | SLAB | A | 19 | $77.48 | $1,472 | 14,577 Direct | +0.13% | Acquired | 187.5% (price as of 2026-10-02) |
| Feb. 15, 2024 | SLAB | A | 3,948 | · | · | 14,558 Direct | +37.21% | Acquired | (price as of 2026-10-02) |
| Oct. 31, 2023 | SLAB | A | 57 | $77.48 | $4,416 | 10,610 Direct | +0.54% | Acquired | 187.5% (price as of 2026-10-02) |
| May 15, 2023 | SLAB | F | 451 | $136.32 | $61,480 | 7,354 Direct | -5.78% | Disposed | 63.4% (price as of 2026-10-02) |
| May 15, 2023 | SLAB | A | 3,199 | · | · | 10,553 Direct | +43.50% | Acquired | (price as of 2026-10-02) |
| April 28, 2023 | SLAB | A | 154 | $100.85 | $15,531 | 7,805 Direct | +2.01% | Acquired | 120.9% (price as of 2026-10-02) |
| Feb. 15, 2023 | SLAB | F | 199 | $188.45 | $37,502 | 7,651 Direct | -2.54% | Disposed | 18.2% (price as of 2026-10-02) |
| Oct. 31, 2022 | SLAB | A | 48 | $100.85 | $4,841 | 7,850 Direct | +0.62% | Acquired | 120.9% (price as of 2026-10-02) |
| May 15, 2022 | SLAB | A | 3,640 | · | · | 7,802 Direct | +87.46% | Acquired | (price as of 2026-10-02) |
| May 13, 2022 | SLAB | F | 156 | $143.62 | $22,405 | 4,162 Direct | -3.61% | Disposed | 55.1% (price as of 2026-10-02) |
| April 29, 2022 | SLAB | A | 131 | $114.67 | $15,022 | 4,318 Direct | +3.13% | Acquired | 94.3% (price as of 2026-10-02) |
| Feb. 15, 2022 | SLAB | F | 436 | $160.97 | $70,183 | 4,187 Direct | -9.43% | Disposed | 38.4% (price as of 2026-10-02) |
| Oct. 29, 2021 | SLAB | A | 77 | $119.81 | $9,225 | 4,623 Direct | +1.69% | Acquired | 85.9% (price as of 2026-10-02) |
| Oct. 29, 2021 | SLAB | A | 77 | $119.81 | $9,225 | 4,623 Direct | +1.69% | Acquired | 85.9% (price as of 2026-10-02) |
| May 15, 2021 | SLAB | A | 1,932 | · | · | 4,546 Direct | +73.91% | Acquired | (price as of 2026-10-02) |
| May 4, 2021 | SLAB | S 10b5-1 | 157 | $134.84 | $21,170 | 2,614 Direct | -5.67% | Disposed | 65.2% (price as of 2026-10-02) |
| April 30, 2021 | SLAB | A | 157 | $82.64 | $12,974 | 2,771 Direct | +6.01% | Acquired | 169.6% (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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 16, 2021 | SLAB | Common Stock, $0.0001 par value | 2,614 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $331,000 | $50,000 | · | · | · | · | $6,292 | $1,473,070 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.