Benjamin Jackson
Insider
First SEC filing: July 14, 2021 · Latest: June 15, 2026
Insider at
Insider transactions
0 buys (P)
6 sells (S)
Net: $-38,416
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 | SERA | S | 2,190 | $2.00 | $4,380 | 159,566 Direct | -1.35% | Disposed | 4.5% (price as of 2026-10-02) |
| June 11, 2026 | SERA | S | 2,179 | $2.01 | $4,380 | 161,756 Direct | -1.33% | Disposed | 4.0% (price as of 2026-10-02) |
| May 29, 2026 | SERA | A | 5,000 | $1.84 | $9,200 | 163,935 Direct | +3.15% | Acquired | 13.6% (price as of 2026-10-02) |
| March 12, 2026 | SERA | A | 68,550 | · | · | 68,550 Direct | · | Acquired | (price as of 2026-10-02) |
| March 12, 2026 | SERA | A | 44,215 | · | · | 158,935 Direct | +38.54% | Acquired | (price as of 2026-10-02) |
| March 11, 2026 | SERA | S | 1,027 | $2.04 | $2,095 | 114,720 Direct | -0.89% | Disposed | 2.5% (price as of 2026-10-02) |
| March 9, 2026 | SERA | S | 3,119 | $1.96 | $6,113 | 115,747 Direct | -2.62% | Disposed | 6.6% (price as of 2026-10-02) |
| Dec. 10, 2025 | SERA | S | 892 | $3.31 | $2,953 | 118,866 Direct | -0.74% | Disposed | -36.9% (price as of 2026-10-02) |
| Nov. 10, 2025 | SERA | S | 7,059 | $2.62 | $18,495 | 119,758 Direct | -5.57% | Disposed | -20.2% (price as of 2026-10-02) |
| Sept. 11, 2025 | SERA | S | 934 | $3.13 | $2,923 | 126,817 Direct | -0.73% | Disposed | -33.2% (price as of 2026-10-02) |
| Aug. 8, 2025 | SERA | S | 6,447 | $2.54 | $16,375 | 127,751 Direct | -4.80% | Disposed | -17.7% (price as of 2026-10-02) |
| June 10, 2025 | SERA | S | 965 | $1.48 | $1,428 | 134,198 Direct | -0.71% | Disposed | 41.2% (price as of 2026-10-02) |
| May 30, 2025 | SERA | A | 3,703 | $1.33 | $4,925 | 135,163 Direct | +2.82% | Acquired | 57.1% (price as of 2026-10-02) |
| May 8, 2025 | SERA | S | 7,084 | $2.44 | $17,285 | 131,460 Direct | -5.11% | Disposed | -14.3% (price as of 2026-10-02) |
| March 6, 2025 | SERA | S | 2,285 | $4.16 | $9,506 | 138,544 Direct | -1.62% | Disposed | -49.8% (price as of 2026-10-02) |
| March 5, 2025 | SERA | A | 49,420 | · | · | 49,420 Direct | · | Acquired | (price as of 2026-10-02) |
| March 5, 2025 | SERA | A | 34,590 | · | · | 140,829 Direct | +32.56% | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2025 | SERA | S | 5,915 | $4.58 | $27,091 | 106,239 Direct | -5.27% | Disposed | -54.4% (price as of 2026-10-02) |
| Jan. 14, 2025 | SERA | S 10b5-1 | 8,407 | $6.20 | $52,123 | 112,154 Direct | -6.97% | Disposed | -66.3% (price as of 2026-10-02) |
| Jan. 13, 2025 | SERA | S 10b5-1 | 7,912 | $6.38 | $50,479 | 120,561 Direct | -6.16% | Disposed | -67.2% (price as of 2026-10-02) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 1,231 | $8.05 | $9,910 | 128,473 Direct | -0.95% | Disposed | -74.0% (price as of 2026-10-02) |
| Jan. 10, 2025 | SERA | S 10b5-1 | 12,041 | $7.36 | $88,622 | 129,704 Direct | -8.49% | Disposed | -71.6% (price as of 2026-10-02) |
| Nov. 11, 2024 | SERA | S | 4,727 | $7.32 | $34,602 | 135,528 Direct | -3.37% | Disposed | -71.4% (price as of 2026-10-02) |
| Aug. 7, 2024 | SERA | S | 5,022 | $7.42 | $37,263 | 140,255 Direct | -3.46% | Disposed | -71.8% (price as of 2026-10-02) |
| May 8, 2024 | SERA | S | 4,902 | $9.59 | $47,010 | 145,277 Direct | -3.26% | Disposed | -78.2% (price as of 2026-10-02) |
| March 6, 2024 | SERA | S | 1,856 | $9.02 | $16,741 | 150,179 Direct | -1.22% | Disposed | -76.8% (price as of 2026-10-02) |
| Feb. 6, 2024 | SERA | S | 5,665 | $8.03 | $45,490 | 152,035 Direct | -3.59% | Disposed | -74.0% (price as of 2026-10-02) |
| Dec. 7, 2023 | SERA | S | 10,000 | $5.22 | $52,200 | 157,700 Direct | -5.96% | Disposed | -60.0% (price as of 2026-10-02) |
| Nov. 6, 2023 | SERA | A | 125,000 | · | · | 162,700 Direct | +331.56% | Acquired | (price as of 2026-10-02) |
| March 6, 2023 | SERA | A | 24,700 | · | · | 32,700 Direct | +308.75% | Acquired | (price as of 2026-10-02) |
| March 6, 2023 | SERA | A | 39,100 | · | · | 39,100 Direct | · | Acquired | (price as of 2026-10-02) |
| June 14, 2022 | SERA | P | 8,000 | $1.20 | $9,600 | 8,000 Direct | · | Acquired | 74.2% (price as of 2026-10-02) |
| March 23, 2022 | SERA | A | 60,345 | · | · | 60,345 Direct | · | Acquired | (price as of 2026-10-02) |
| March 24, 2021 | MYGN | A | 18,879 | · | · | 107,029 Direct | +21.42% | Acquired | (price as of 2026-10-02) |
| Oct. 8, 2020 | MYGN | A | 29,784 | · | · | 88,150 Direct | +51.03% | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2020 | MYGN | D | 416 | $13.04 | $5,425 | 58,366 Direct | -0.71% | Disposed | -65.2% (price as of 2026-10-02) |
| Sept. 26, 2020 | MYGN | D | 2,935 | $12.44 | $36,511 | 58,782 Direct | -4.76% | Disposed | -63.5% (price as of 2026-10-02) |
| Sept. 25, 2020 | MYGN | D | 367 | $12.44 | $4,565 | 62,170 Direct | -0.59% | Disposed | -63.5% (price as of 2026-10-02) |
| Sept. 25, 2020 | MYGN | D | 453 | $12.44 | $5,635 | 61,717 Direct | -0.73% | Disposed | -63.5% (price as of 2026-10-02) |
| Aug. 12, 2020 | MYGN | A | 6,541 | · | · | 62,537 Direct | +11.68% | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2019 | MYGN | D | 416 | $28.63 | $11,910 | 56,413 Direct | -0.73% | Disposed | -84.1% (price as of 2026-10-02) |
| Sept. 30, 2019 | MYGN | D | 417 | $28.63 | $11,939 | 55,996 Direct | -0.74% | Disposed | -84.1% (price as of 2026-10-02) |
| Sept. 25, 2019 | MYGN | D | 367 | $29.93 | $10,984 | 17,282 Direct | -2.08% | Disposed | -84.8% (price as of 2026-10-02) |
| Sept. 25, 2019 | MYGN | D | 453 | $29.93 | $13,558 | 16,829 Direct | -2.62% | Disposed | -84.8% (price as of 2026-10-02) |
| Sept. 25, 2019 | MYGN | A | 40,000 | · | · | 56,829 Direct | +237.68% | 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 |
|---|---|---|---|---|---|---|---|
| March 12, 2026 | SERA | Stock Option (right to buy) | Class A Common Stock | $1.99 | March 12, 2036 | 68,550 | Acquired |
| March 5, 2025 | SERA | Stock Option (right to buy) | Class A Common Stock | $4.20 | March 5, 2035 | 49,420 | Acquired |
| March 6, 2023 | SERA | Stock Option (right to buy) | Class A Common Stock | $3.80 | March 6, 2033 | 39,100 | Acquired |
| March 23, 2022 | SERA | Stock Option (right to buy) | Class A Common Stock | $3.75 | March 23, 2032 | 60,345 | 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.
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 |
|---|---|---|---|---|---|---|---|---|
| 2021 | $223,260 | · | · | $1,294,287 | $100,424 | · | · | $1,617,971 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.