Robert Matthew Johnson
Insider
First SEC filing: Oct. 25, 2019 · Latest: Oct. 25, 2019
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-1,739,844
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 18, 2026 | SLAB | S | 8,024 | $216.83 | $1,739,844 | 80,519 Direct | -9.06% | Disposed | 2.7% (price as of 2026-10-02) |
| May 15, 2026 | SLAB | F | 10,363 | $216.59 | $2,244,522 | 88,543 Direct | -10.48% | Disposed | 2.8% (price as of 2026-10-02) |
| Feb. 15, 2026 | SLAB | A | 25,218 | · | · | 98,906 Direct | +34.22% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2026 | NOVTU | A | 1,799 | · | · | 1,799 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2026 | NOVTU | M | 1,325 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2026 | NOVTU | M | 1,325 | · | · | 2,143 Direct | +161.98% | Acquired | (price as of 2026-10-02) |
| May 16, 2025 | SLAB | S 10b5-1 | 5,879 | $131.20 | $771,325 | 73,688 Direct | -7.39% | Disposed | 69.8% (price as of 2026-10-02) |
| May 15, 2025 | SLAB | A | 39,282 | · | · | 87,192 Direct | +81.99% | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | SLAB | F | 7,625 | $133.17 | $1,015,421 | 79,567 Direct | -8.75% | Disposed | 67.3% (price as of 2026-10-02) |
| May 8, 2025 | NOVTU | M | 818 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 8, 2025 | NOVTU | M | 818 | · | · | 818 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2025 | NOVTU | A | 1,325 | · | · | 1,325 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2024 | SLAB | S 10b5-1 | 7,230 | $123.80 | $895,074 | 47,910 Direct | -13.11% | Disposed | 79.9% (price as of 2026-10-02) |
| May 15, 2024 | SLAB | F | 9,373 | $131.57 | $1,233,206 | 31,184 Direct | -23.11% | Disposed | 69.3% (price as of 2026-10-02) |
| May 15, 2024 | SLAB | A | 23,956 | · | · | 55,140 Direct | +76.82% | Acquired | (price as of 2026-10-02) |
| May 8, 2024 | NOVTU | A | 818 | · | · | 818 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 18, 2024 | SLAB | A | 9,507 | · | · | 40,557 Direct | +30.62% | Acquired | (price as of 2026-10-02) |
| Dec. 4, 2023 | SLAB | S 10b5-1 | 3,679 | $108.22 | $398,141 | 31,050 Direct | -10.59% | Disposed | 105.8% (price as of 2026-10-02) |
| Oct. 2, 2023 | SLAB | S 10b5-1 | 3,534 | $115.23 | $407,223 | 34,729 Direct | -9.24% | Disposed | 93.3% (price as of 2026-10-02) |
| Aug. 2, 2023 | SLAB | S 10b5-1 | 3,498 | $144.06 | $503,922 | 38,263 Direct | -8.38% | Disposed | 54.6% (price as of 2026-10-02) |
| May 15, 2023 | SLAB | F | 3,537 | $136.32 | $482,164 | 25,769 Direct | -12.07% | Disposed | 63.4% (price as of 2026-10-02) |
| May 15, 2023 | SLAB | A | 15,992 | · | · | 41,761 Direct | +62.06% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2023 | SLAB | F | 865 | $188.45 | $163,009 | 29,306 Direct | -2.87% | Disposed | 18.2% (price as of 2026-10-02) |
| Jan. 31, 2023 | SLAB | F | 1,107 | $156.91 | $173,699 | 30,171 Direct | -3.54% | Disposed | 42.0% (price as of 2026-10-02) |
| Jan. 26, 2023 | SLAB | A | 4,405 | · | · | 31,278 Direct | +16.39% | Acquired | (price as of 2026-10-02) |
| June 6, 2022 | SLAB | S 10b5-1 | 5,435 | $149.38 | $811,880 | 26,873 Direct | -16.82% | Disposed | 49.1% (price as of 2026-10-02) |
| May 15, 2022 | SLAB | A | 18,197 | · | · | 32,308 Direct | +128.96% | Acquired | (price as of 2026-10-02) |
| May 13, 2022 | SLAB | F | 1,151 | $143.62 | $165,307 | 14,111 Direct | -7.54% | Disposed | 55.1% (price as of 2026-10-02) |
| Feb. 15, 2022 | SLAB | F | 1,709 | $160.97 | $275,098 | 15,262 Direct | -10.07% | Disposed | 38.4% (price as of 2026-10-02) |
| Aug. 16, 2021 | SLAB | S 10b5-1 | 4,829 | $157.74 | $761,726 | 16,971 Direct | -22.15% | Disposed | 41.2% (price as of 2026-10-02) |
| Aug. 13, 2021 | SLAB | F | 3,133 | $158.64 | $497,019 | 21,800 Direct | -12.57% | Disposed | 40.4% (price as of 2026-10-02) |
| May 15, 2021 | SLAB | A | 8,778 | · | · | 24,933 Direct | +54.34% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2021 | SLAB | S 10b5-1 | 3,968 | $153.19 | $607,858 | 16,155 Direct | -19.72% | Disposed | 45.4% (price as of 2026-10-02) |
| Feb. 12, 2021 | SLAB | F | 1,399 | $154.34 | $215,922 | 20,123 Direct | -6.50% | Disposed | 44.3% (price as of 2026-10-02) |
| Aug. 17, 2020 | SLAB | S 10b5-1 | 5,692 | $100.12 | $569,883 | 21,522 Direct | -20.92% | Disposed | 122.5% (price as of 2026-10-02) |
| Aug. 14, 2020 | SLAB | F | 2,269 | $100.57 | $228,193 | 27,214 Direct | -7.70% | Disposed | 121.5% (price as of 2026-10-02) |
| Feb. 24, 2020 | SLAB | S 10b5-1 | 1,925 | $95.99 | $184,781 | 29,483 Direct | -6.13% | Disposed | 132.1% (price as of 2026-10-02) |
| Feb. 21, 2020 | SLAB | F | 619 | $100.40 | $62,148 | 31,408 Direct | -1.93% | Disposed | 121.9% (price as of 2026-10-02) |
| Feb. 15, 2020 | SLAB | A | 8,471 | · | · | 32,027 Direct | +35.96% | 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 |
|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | NOVTU | Restricted Stock Units | Common Stock | · | · | 1,799 | Acquired |
| Jan. 2, 2026 | NOVTU | Restricted Stock Units | Common Stock | · | · | 1,325 | Disposed |
| May 8, 2025 | NOVTU | Restricted Stock Units | Common Stock | · | · | 818 | Disposed |
| Jan. 2, 2025 | NOVTU | Restricted Stock Units | Common Stock | · | · | 1,325 | Acquired |
| May 8, 2024 | NOVTU | Restricted Stock Units | Common Stock | · | · | 818 | 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 |
|---|---|---|---|---|
| Oct. 25, 2019 | SLAB | Common Stock, $0.0001 par value | 23,556 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $715,862 | · | · | · | $958,889 | · | $12,059 | $11,296,077 |
| 2024 | $689,000 | · | · | · | · | · | $6,628 | $7,209,463 |
| 2023 | $563,710 | · | · | · | · | · | $9,605 | $6,894,721 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.