BYERS BROOK H
CIK 1032454 · View on SEC EDGAR ↗
First SEC filing: July 16, 2014 · Latest: July 16, 2014
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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 |
|---|---|---|---|---|---|---|---|---|---|
| July 22, 2014 | CDNA | P | 52,770 | $10.00 | $527,700 | 751,174 Indirect | +7.56% | Acquired | 363.4% (price as of 2026-08-21) |
| July 22, 2014 | CDNA | P | 526 | $10.00 | $5,260 | 7,483 Direct | +7.56% | Acquired | 363.4% (price as of 2026-08-21) |
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 17, 2016 | PACB | Stock Option (right to buy) | Common Stock (25,000) | $8.98 | May 17, 2026 | 25,000 | Acquired |
| June 16, 2015 | CDNA | Stock Option (right to buy) | 6/16/2025 Common Stock (5,255) | $6.08 | June 16, 2015 | 5,255 | Acquired |
| May 20, 2015 | PACB | Stock Option (right to buy) | Common Stock (25,000) | $5.80 | May 20, 2025 | 25,000 | Acquired |
| July 21, 2014 | CDNA | Series G Preferred Stock | Common Stock (145,173) | — | — | 145,173 | Disposed |
| July 21, 2014 | CDNA | Series F Preferred Stock | Common Stock (121,961) | — | — | 121,961 | Disposed |
| July 21, 2014 | CDNA | Series E Preferred Stock | Common Stock (66,554) | — | — | 66,554 | Disposed |
| July 21, 2014 | CDNA | Series D Preferred Stock | Common Stock (77,114) | — | — | 77,114 | Disposed |
| July 21, 2014 | CDNA | Series C Preferred Stock | Common Stock (287,602) | — | — | 287,602 | Disposed |
| July 21, 2014 | CDNA | Series G Preferred Stock | Common Stock (1,447) | — | — | 1,447 | Disposed |
| July 21, 2014 | CDNA | Series F Preferred Stock | Common Stock (1,215) | — | — | 1,215 | Disposed |
| July 21, 2014 | CDNA | Series E Preferred Stock | Common Stock (663) | — | — | 663 | Disposed |
| July 21, 2014 | CDNA | Series D Preferred Stock | Common Stock (768) | — | — | 768 | Disposed |
| July 21, 2014 | CDNA | Series C Preferred Stock | Common Stock (2,864) | — | — | 2,864 | Disposed |
| July 21, 2014 | CDNA | Option to Purchase Common Stock | Common Stock (5,255) | $10.00 | July 21, 2024 | 5,255 | Acquired |
| May 22, 2014 | PACB | Stock Option (right to buy) | Common Stock (25,000) | $4.45 | May 22, 2024 | 25,000 | Acquired |
| May 20, 2014 | VCYT | Stock option (right to buy) | Common Stock (10,000) | $13.19 | May 20, 2024 | 10,000 | Acquired |
| Nov. 4, 2013 | VCYT | Series A Convertible Preferred Stock | Common Stock (1,758,333) | — | — | 7,033,333 | Acquired |
| Nov. 4, 2013 | VCYT | Series B Convertible Preferred Stock | Common Stock (1,004,000) | — | — | 4,016,000 | Acquired |
| Nov. 4, 2013 | VCYT | Series C Convertible Preferred Stock | Common Stock (789,596) | — | — | 3,158,385 | Acquired |
| May 21, 2013 | PACB | Stock Option (right to buy) | Common Stock (25,000) | $2.54 | May 21, 2023 | 25,000 | Acquired |
| June 13, 2012 | PACB | Stock Option (right to buy) | Common Stock (25,000) | $1.83 | June 13, 2022 | 25,000 | Acquired |
| June 23, 2011 | PACB | Stock Option (right to buy) | Common Stock (12,500) | $10.58 | June 23, 2021 | 12,500 | Acquired |
| Oct. 26, 2010 | PACB | Stock Option (right to buy) | Common Stock (25,000) | $16.00 | Oct. 26, 2020 | 25,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 17 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 16, 2014 | CDNA | Series C Preferred Stock→ Common Stock (2,864) | 2,864 | Direct |
| July 16, 2014 | CDNA | Series D Preferred Stock→ Common Stock (768) | 768 | Direct |
| July 16, 2014 | CDNA | Series E Preferred Stock→ Common Stock (663) | 663 | Direct |
| July 16, 2014 | CDNA | Series F Preferred Stock→ Common Stock (1,215) | 1,215 | Direct |
| July 16, 2014 | CDNA | Series G Preferred Stock→ Common Stock (1,447) | 1,447 | Direct |
| July 16, 2014 | CDNA | Warrant to Purchase Series G Preferred Stock→ Series G Preferred Stock (480) | 480 | Direct |
| July 16, 2014 | CDNA | Series C Preferred Stock→ Common Stock (287,602) | 287,602 | Indirect |
| July 16, 2014 | CDNA | Series D Preferred Stock→ Common Stock (77,114) | 77,114 | Indirect |
| July 16, 2014 | CDNA | Series E Preferred Stock→ Common Stock (66,554) | 66,554 | Indirect |
| July 16, 2014 | CDNA | Series F Preferred Stock→ Common Stock (121,961) | 121,961 | Indirect |
| July 16, 2014 | CDNA | Series G Preferred Stock→ Common Stock (145,173) | 145,173 | Indirect |
| July 16, 2014 | CDNA | Warrant to Purchase Series G Preferred Stock→ Series G Preferred Stock (48,234) | 48,234 | Indirect |
| July 16, 2014 | CDNA | Option to Purchase Common Stock→ Common Stock (10,948) | 10,948 | Direct |
| Oct. 29, 2013 | VCYT | Series A Convertible Preferred Stock→ Common Stock (1,758,333) | 1,758,333 | Indirect |
| Oct. 29, 2013 | VCYT | Series B Convertible Preferred Stock→ Common Stock (1,004,000) | 1,004,000 | Indirect |
| Oct. 29, 2013 | VCYT | Series C Convertible Preferred Stock→ Common Stock (789,596) | 789,596 | Indirect |
| Oct. 26, 2010 | PACB | Common Stock | 3,364,788 | Indirect |