William A Hagstrom
Insider
First SEC filing: Dec. 5, 2019 · Latest: Dec. 5, 2019
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 11, 2025 | CDNA | M | 4,391 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 11, 2025 | CDNA | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 11, 2025 | CDNA | S | 19,391 | $19.90 | $385,881 | 53,979 Direct | -26.43% | Disposed | 251.0% (price as of 2026-10-05) |
| June 11, 2025 | CDNA | M | 4,391 | $7.96 | $34,952 | 73,370 Direct | +6.37% | Acquired | 777.5% (price as of 2026-10-05) |
| June 11, 2025 | CDNA | M | 15,000 | $14.74 | $221,100 | 68,979 Direct | +27.79% | Acquired | 373.9% (price as of 2026-10-05) |
| May 28, 2025 | CDNA | M | 510 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 28, 2025 | CDNA | M | 24,745 | · | · | 4,391 Direct | -84.93% | Disposed | (price as of 2026-10-05) |
| May 28, 2025 | CDNA | M | 4,745 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 28, 2025 | CDNA | S | 30,000 | $17.45 | $523,500 | 53,979 Direct | -35.72% | Disposed | 300.3% (price as of 2026-10-05) |
| May 28, 2025 | CDNA | M | 510 | $5.85 | $2,984 | 83,979 Direct | +0.61% | Acquired | 1094.0% (price as of 2026-10-05) |
| May 28, 2025 | CDNA | M | 24,745 | $7.96 | $196,970 | 83,469 Direct | +42.14% | Acquired | 777.5% (price as of 2026-10-05) |
| May 28, 2025 | CDNA | M | 4,745 | $4.95 | $23,488 | 58,724 Direct | +8.79% | Acquired | 1311.1% (price as of 2026-10-05) |
| June 14, 2024 | CDNA | A | 16,048 | · | · | 16,048 Direct | · | Acquired | (price as of 2026-10-05) |
| June 14, 2024 | CDNA | A | 16,048 | · | · | 16,048 Direct | · | Acquired | (price as of 2026-10-05) |
| June 14, 2024 | CDNA | A | 10,570 | · | · | 53,979 Direct | +24.35% | Acquired | (price as of 2026-10-05) |
| June 16, 2023 | CDNA | A | 29,136 | · | · | 29,136 Direct | · | Acquired | (price as of 2026-10-05) |
| June 16, 2023 | CDNA | A | 18,844 | · | · | 43,409 Direct | +76.71% | Acquired | (price as of 2026-10-05) |
| June 16, 2022 | CDNA | A | 7,606 | · | · | 7,606 Direct | · | Acquired | (price as of 2026-10-05) |
| June 16, 2022 | CDNA | A | 4,863 | · | · | 24,565 Direct | +24.68% | Acquired | (price as of 2026-10-05) |
| June 16, 2021 | CDNA | A | 1,812 | · | · | 1,812 Direct | · | Acquired | (price as of 2026-10-05) |
| June 16, 2021 | CDNA | A | 1,127 | · | · | 19,702 Direct | +6.07% | Acquired | (price as of 2026-10-05) |
| June 9, 2021 | CDNA | M | 5,000 | $4.95 | $24,750 | 23,575 Direct | +26.92% | Acquired | 1311.1% (price as of 2026-10-05) |
| June 9, 2021 | CDNA | S | 5,000 | $88.14 | $440,700 | 18,575 Direct | -21.21% | Disposed | -20.8% (price as of 2026-10-05) |
| June 9, 2021 | CDNA | M | 5,000 | · | · | 4,745 Direct | -51.31% | Disposed | (price as of 2026-10-05) |
| May 14, 2021 | CDNA | M | 5,255 | $5.02 | $26,380 | 0 Direct | -100.00% | Disposed | 1291.4% (price as of 2026-10-05) |
| May 14, 2021 | CDNA | M | 4,745 | $5.85 | $27,758 | 510 Direct | -90.29% | Disposed | 1094.0% (price as of 2026-10-05) |
| May 14, 2021 | CDNA | S | 1,412 | $67.29 | $95,013 | 18,575 Direct | -7.06% | Disposed | 3.8% (price as of 2026-10-05) |
| May 14, 2021 | CDNA | S | 8,588 | $66.82 | $573,850 | 19,987 Direct | -30.05% | Disposed | 4.5% (price as of 2026-10-05) |
| May 14, 2021 | CDNA | M | 5,255 | $5.02 | $26,380 | 28,575 Direct | +22.53% | Acquired | 1291.4% (price as of 2026-10-05) |
| May 14, 2021 | CDNA | M | 4,745 | $5.85 | $27,758 | 23,320 Direct | +25.55% | Acquired | 1094.0% (price as of 2026-10-05) |
| Nov. 12, 2020 | CDNA | M | 10,000 | $6.50 | $65,000 | 28,575 Direct | +53.84% | Acquired | 974.6% (price as of 2026-10-05) |
| Nov. 12, 2020 | CDNA | S | 10,000 | $54.59 | $545,900 | 18,575 Direct | -35.00% | Disposed | 28.0% (price as of 2026-10-05) |
| Nov. 12, 2020 | CDNA | M | 10,000 | · | · | 948 Direct | -91.34% | Disposed | (price as of 2026-10-05) |
| June 18, 2020 | CDNA | A | 4,978 | $31.35 | $156,060 | 4,978 Direct | · | Acquired | 122.8% (price as of 2026-10-05) |
| June 18, 2020 | CDNA | A | 3,190 | · | · | 18,575 Direct | +20.73% | Acquired | (price as of 2026-10-05) |
| May 6, 2020 | CDNA | M | 15,000 | $1.22 | $18,300 | 0 Direct | -100.00% | Disposed | 5625.4% (price as of 2026-10-05) |
| May 6, 2020 | CDNA | S | 15,000 | $29.12 | $436,800 | 15,385 Direct | -49.37% | Disposed | 139.9% (price as of 2026-10-05) |
| May 6, 2020 | CDNA | M | 15,000 | $1.22 | $18,300 | 30,385 Direct | +97.50% | Acquired | 5625.4% (price as of 2026-10-05) |
| Dec. 3, 2019 | CDNA | S | 12,500 | $20.06 | $250,750 | 15,385 Direct | -44.83% | Disposed | 248.2% (price as of 2026-10-05) |
| June 17, 2019 | CDNA | A | 4,152 | $38.26 | $158,856 | 4,152 Direct | · | Acquired | 82.6% (price as of 2026-10-05) |
| June 17, 2019 | CDNA | A | 2,613 | · | · | 27,885 Direct | +10.34% | Acquired | (price as of 2026-10-05) |
| June 4, 2019 | CDNA | S | 15,000 | $32.35 | $485,250 | 25,272 Direct | -37.25% | Disposed | 115.9% (price as of 2026-10-05) |
| June 29, 2018 | CDNA | A | 740 | · | · | 40,272 Direct | +1.87% | Acquired | (price as of 2026-10-05) |
| June 20, 2018 | CDNA | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 20, 2018 | CDNA | A | 5,000 | · | · | 39,532 Direct | +14.48% | Acquired | (price as of 2026-10-05) |
| April 2, 2018 | CDNA | A | 1,373 | · | · | 34,532 Direct | +4.14% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2018 | CDNA | A | 1,844 | · | · | 33,159 Direct | +5.89% | Acquired | (price as of 2026-10-05) |
| Oct. 2, 2017 | CDNA | A | 5,475 | · | · | 31,315 Direct | +21.19% | Acquired | (price as of 2026-10-05) |
| July 13, 2017 | CDNA | A | 15,000 | $1.22 | $18,300 | 15,000 Direct | · | Acquired | 5625.4% (price as of 2026-10-05) |
| July 13, 2017 | CDNA | A | 5,000 | · | · | 25,840 Direct | +23.99% | Acquired | (price as of 2026-10-05) |
| April 1, 2017 | CDNA | A | 3,439 | · | · | 20,840 Direct | +19.76% | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2017 | CDNA | A | 2,213 | · | · | 17,401 Direct | +14.57% | Acquired | (price as of 2026-10-05) |
| Oct. 1, 2016 | CDNA | A | 1,670 | · | · | 15,188 Direct | +12.35% | Acquired | (price as of 2026-10-05) |
| July 15, 2016 | CDNA | A | 9,745 | $4.95 | $48,238 | 9,745 Direct | · | Acquired | 1311.1% (price as of 2026-10-05) |
| July 15, 2016 | CDNA | A | 5,000 | · | · | 13,518 Direct | +58.70% | Acquired | (price as of 2026-10-05) |
| July 1, 2016 | CDNA | A | 2,156 | · | · | 8,518 Direct | +33.89% | Acquired | (price as of 2026-10-05) |
| June 16, 2016 | CDNA | A | 5,255 | $5.02 | $26,380 | 5,255 Direct | · | Acquired | 1291.4% (price as of 2026-10-05) |
| April 1, 2016 | CDNA | A | 1,954 | · | · | 6,362 Direct | +44.33% | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2016 | CDNA | A | 1,836 | · | · | 4,408 Direct | +71.38% | Acquired | (price as of 2026-10-05) |
| Oct. 1, 2015 | CDNA | A | 1,008 | · | · | 2,572 Direct | +64.45% | Acquired | (price as of 2026-10-05) |
| July 1, 2015 | CDNA | A | 1,227 | · | · | 1,564 Direct | +364.09% | Acquired | (price as of 2026-10-05) |
| June 17, 2015 | CDNA | A | 5,255 | · | · | 5,255 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| June 16, 2015 | CDNA | A | 5,255 | $6.08 | $31,950 | 5,255 Direct | · | Acquired | 1048.8% (price as of 2026-10-05) |
| April 1, 2015 | CDNA | A | 337 | · | · | 337 Direct | · | Acquired | (price as of 2026-10-05) |
| March 2, 2015 | CDNA | A | 10,948 | · | · | 10,948 Direct | · | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| June 11, 2025 | CDNA | Stock Option (right to buy) | Common Stock | $7.96 | June 16, 2033 | 4,391 | Disposed |
| June 11, 2025 | CDNA | Stock Option (right to buy) | Common Stock | $14.74 | June 20, 2028 | 15,000 | Disposed |
| May 28, 2025 | CDNA | Stock Option (right to buy) | Common Stock | $5.85 | June 17, 2025 | 510 | Disposed |
| May 28, 2025 | CDNA | Stock Option (right to buy) | Common Stock | $7.96 | June 16, 2033 | 24,745 | Disposed |
| May 28, 2025 | CDNA | Stock Option (right to buy) | Common Stock | $4.95 | July 15, 2026 | 4,745 | Disposed |
| June 14, 2024 | CDNA | Stock Option (right to buy) | Common Stock | · | June 14, 2034 | 16,048 | Acquired |
| June 14, 2024 | CDNA | Stock Option (right to buy) | Common Stock | $9.35 | June 14, 2034 | 16,048 | Acquired |
| June 16, 2023 | CDNA | Common Stock | Common Stock | $7.96 | June 16, 2033 | 29,136 | Acquired |
| June 16, 2022 | CDNA | Common Stock | Common Stock | $20.56 | June 16, 2032 | 7,606 | Acquired |
| June 16, 2021 | CDNA | Stock Option (right to buy) | Common Stock | $88.70 | June 16, 2031 | 1,812 | Acquired |
| June 9, 2021 | CDNA | Common Stock | Common Stock | $4.95 | July 15, 2026 | 5,000 | Disposed |
| May 14, 2021 | CDNA | Stock Option (right to buy) | Common Stock | $5.02 | June 16, 2026 | 5,255 | Disposed |
| May 14, 2021 | CDNA | Stock Option (right to buy) | Common Stock | $5.85 | June 17, 2025 | 4,745 | Disposed |
| Nov. 12, 2020 | CDNA | Option to Purchase Common Stock | Common Stock | $6.50 | March 2, 2025 | 10,000 | Disposed |
| June 18, 2020 | CDNA | Stock Option (right to buy) | Common Stock | $31.35 | June 18, 2030 | 4,978 | Acquired |
| May 6, 2020 | CDNA | Stock Option (right to buy) | Common Stock | $1.22 | July 13, 2027 | 15,000 | Disposed |
| June 17, 2019 | CDNA | Stock Option (right to buy) | Common Stock | $38.26 | June 17, 2029 | 4,152 | Acquired |
| June 20, 2018 | CDNA | Stock Option (right to buy) | Common Stock | $14.74 | June 20, 2028 | 15,000 | Acquired |
| July 13, 2017 | CDNA | Stock Option (right to buy) | Common Stock | $1.22 | July 13, 2027 | 15,000 | Acquired |
| July 15, 2016 | CDNA | Stock Option (right to buy) | Common Stock | $4.95 | July 15, 2026 | 9,745 | Acquired |
| June 16, 2016 | CDNA | Stock Option (right to buy) | Common Stock | $5.02 | June 16, 2026 | 5,255 | Acquired |
| June 17, 2015 | CDNA | Stock Option (right to buy) | Common Stock | · | June 17, 2025 | 5,255 | Disposed |
| June 16, 2015 | CDNA | Stock Option (right to buy) | Common Stock | $6.08 | June 16, 2025 | 5,255 | Acquired |
| March 2, 2015 | CDNA | Option to Purchase Common Stock | Common Stock | $6.50 | March 2, 2025 | 10,948 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).