David L Barker
CIK 1189124 · View on SEC EDGAR ↗
First SEC filing: Aug. 21, 2018 · Latest: Aug. 21, 2018
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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 16, 2022 | BNGO | P | 10,000 | $1.60 | $16,000 | 13,894 Direct | +256.81% | Acquired | -99.9% (price as of 2026-08-19) |
| Aug. 21, 2018 | BNGO | P | 3,894 | $6.47 | $25,194 | 3,894 Direct | — | Acquired | -100.0% (price as of 2026-08-19) |
| Aug. 21, 2018 | BNGO | P | 3,894 | $6.47 | $25,194 | 3,894 Direct | — | Acquired | -100.0% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 1,000 | $14.96 | $14,960 | 137,636 Direct | -0.72% | Disposed | 2649.5% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 2,000 | $14.95 | $29,900 | 138,636 Direct | -1.42% | Disposed | 2651.3% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 1,000 | $14.95 | $14,950 | 140,636 Direct | -0.71% | Disposed | 2651.3% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 1,000 | $14.94 | $14,940 | 141,636 Direct | -0.70% | Disposed | 2653.2% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 1,000 | $14.94 | $14,940 | 142,636 Direct | -0.70% | Disposed | 2653.2% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 11,615 | $14.94 | $173,528 | 143,636 Direct | -7.48% | Disposed | 2653.2% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 2,000 | $14.94 | $29,880 | 155,251 Direct | -1.27% | Disposed | 2653.2% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 1,000 | $14.93 | $14,930 | 157,251 Direct | -0.63% | Disposed | 2655.0% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 1,000 | $14.93 | $14,930 | 158,251 Direct | -0.63% | Disposed | 2655.0% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 10,000 | $14.93 | $149,300 | 159,251 Direct | -5.91% | Disposed | 2655.0% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 1,000 | $14.93 | $14,930 | 169,251 Direct | -0.59% | Disposed | 2655.0% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 7,000 | $14.92 | $104,440 | 170,251 Direct | -3.95% | Disposed | 2656.9% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 1,000 | $14.91 | $14,910 | 177,251 Direct | -0.56% | Disposed | 2658.7% (price as of 2026-08-19) |
| Nov. 29, 2005 | ILMN | S | 4,000 | $14.91 | $59,640 | 178,251 Direct | -2.19% | Disposed | 2658.7% (price as of 2026-08-19) |
| Nov. 28, 2005 | ILMN | S | 5,385 | $15.20 | $81,852 | 182,251 Direct | -2.87% | Disposed | 2606.1% (price as of 2026-08-19) |
| Nov. 23, 2005 | ILMN | S | 1,600 | $16.26 | $26,016 | 0 Indirect | -100.00% | Disposed | 2429.7% (price as of 2026-08-19) |
| Nov. 23, 2005 | ILMN | S | 600 | $16.25 | $9,750 | 1,600 Indirect | -27.27% | Disposed | 2431.2% (price as of 2026-08-19) |
| Nov. 23, 2005 | ILMN | S | 800 | $16.24 | $12,992 | 2,200 Indirect | -26.67% | Disposed | 2432.8% (price as of 2026-08-19) |
| Nov. 18, 2005 | ILMN | S | 1,000 | $16.48 | $16,480 | 0 Indirect | -100.00% | Disposed | 2395.9% (price as of 2026-08-19) |
| Nov. 18, 2005 | ILMN | S | 2,300 | $16.46 | $37,858 | 1,000 Indirect | -69.70% | Disposed | 2398.9% (price as of 2026-08-19) |
| Aug. 23, 2005 | ILMN | S | 4,066 | $12.10 | $49,199 | 187,636 Direct | -2.12% | Disposed | 3299.4% (price as of 2026-08-19) |
| Aug. 3, 2005 | ILMN | S | 17,500 | $11.20 | $196,000 | 191,702 Direct | -8.37% | Disposed | 3572.5% (price as of 2026-08-19) |
| Aug. 1, 2005 | ILMN | S | 42,500 | $11.22 | $476,850 | 209,202 Direct | -16.89% | Disposed | 3566.0% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| May 14, 2026 | BNGO | Stock Option (Right to Buy) | Common Stock (9,149) | $1.19 | May 13, 2036 | 9,149 | Acquired |
| June 11, 2025 | BNGO | Stock Option (Right to Buy) | Common Stock (2,775) | $3.67 | June 10, 2035 | 2,775 | Acquired |
| June 18, 2024 | BNGO | Stock Option (Right to Buy) | Common Stock (30,000) | $0.78 | June 18, 2034 | 30,000 | Acquired |
| June 14, 2023 | BNGO | Stock Option (Right to Buy) | Common Stock (250,000) | $0.75 | June 14, 2033 | 250,000 | Acquired |
| July 7, 2022 | BNGO | Stock Option (Right to Buy) | Common Stock (44,470) | $0.51 | June 30, 2030 | 44,470 | Disposed |
| June 9, 2022 | BNGO | Stock Option (right to buy) | Common Stock (164,422) | $1.62 | June 9, 2032 | 164,422 | Acquired |
| Aug. 17, 2021 | BNGO | Stock Option (right to buy) | Common Stock (40,751) | $5.34 | Aug. 17, 2031 | 40,751 | Acquired |
| June 10, 2021 | BNGO | Stock Option (right to buy) | Common Stock (7,528) | $7.64 | June 10, 2031 | 7,528 | Acquired |
| June 30, 2020 | BNGO | Stock Option (right to buy) | Common Stock (44,470) | $0.51 | June 30, 2029 | 44,470 | Acquired |
| June 6, 2019 | BNGO | Stock Option (right to buy) | Common Stock (21,911) | $2.78 | June 6, 2029 | 21,911 | Acquired |
| Oct. 1, 2018 | BNGO | Stock Option (Right to Buy) | Common Stock (10,516) | $7.77 | Sept. 30, 2028 | 10,516 | Acquired |
| Aug. 21, 2018 | BNGO | Common Stock Warrants (right to buy) | Common Stock (3,894) | $6.47 | Aug. 21, 2023 | 3,894 | Acquired |
| Feb. 25, 2005 | ILMN | Non-Qualified Stock Option (right to buy) | Common Stock (40,000) | $8.60 | Feb. 25, 2015 | 40,000 | Acquired |
| Jan. 7, 2004 | ILMN | Non-Qualified Stock Option (right to buy) | Common Stock (40,000) | $7.90 | Jan. 7, 2014 | 40,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 21, 2018 | BNGO | Stock Option (right to buy)→ Common Stock (4) | 4 | Direct |
| Aug. 21, 2018 | BNGO | Stock Option (right to buy)→ Common Stock (70) | 70 | Direct |
| Aug. 21, 2018 | BNGO | Stock Option (right to buy)→ Common Stock (70) | 70 | Direct |
| Aug. 21, 2018 | BNGO | Stock Option (right to buy)→ Common Stock (116) | 116 | Direct |
| Aug. 21, 2018 | BNGO | Stock Option (right to buy)→ Common Stock (280) | 280 | Direct |
| Aug. 21, 2018 | BNGO | Stock Option (right to buy)→ Common Stock (12,850) | 12,850 | Direct |