Michael Brian Bell

CIK 1702824 · View on SEC EDGAR ↗

Insider

First SEC filing: June 16, 2026 · Latest: June 16, 2026

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Insider transactions

0 buys (P) 1 sells (S) Net: $-257,241 + 89 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

89 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 5, 2026 GH S 2,000 $128.62 $257,241 47,509 — — 25.2% (price as of 2026-08-19)
Nov. 3, 2020 CDNA S 10b5-1 32,574 $48.15 $1,568,438 103,343 Direct -23.97% Disposed -2.3% (price as of 2026-08-19)
May 6, 2020 CDNA S 10b5-1 1,429 $29.58 $42,270 77,093 Direct -1.82% Disposed 59.0% (price as of 2026-08-19)
May 6, 2020 CDNA S 10b5-1 55,707 $28.99 $1,614,946 78,522 Direct -41.50% Disposed 62.2% (price as of 2026-08-19)
June 20, 2019 CDNA S 10b5-1 14,702 $38.81 $570,585 70,900 Direct -17.17% Disposed 21.2% (price as of 2026-08-19)
May 20, 2019 CDNA S 10b5-1 2,202 $32.10 $70,684 77,097 Direct -2.78% Disposed 46.5% (price as of 2026-08-19)
May 9, 2019 CDNA S 10b5-1 14,894 $32.42 $482,863 77,097 Direct -16.19% Disposed 45.1% (price as of 2026-08-19)
March 1, 2019 CDNA S 10b5-1 13,000 $31.36 $407,680 77,290 Direct -14.40% Disposed 50.0% (price as of 2026-08-19)
Feb. 20, 2019 CDNA S 10b5-1 2,200 $26.30 $57,860 77,060 Direct -2.78% Disposed 78.8% (price as of 2026-08-19)
Feb. 15, 2019 CDNA S 10b5-1 28,122 $25.40 $714,299 77,198 Direct -26.70% Disposed 85.2% (price as of 2026-08-19)
Aug. 14, 2018 CDNA S 10b5-1 12,500 $16.84 $210,500 81,093 Direct -13.36% Disposed 179.3% (price as of 2026-08-19)

Showing latest 100 of 116 transactions

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
July 1, 2026 GH Restricted Stock Units Common Stock (1,870) $0.00 — 1,870 Disposed
July 1, 2026 GH Restricted Stock Units Common Stock (3,324) $0.00 — 3,324 Disposed
July 1, 2026 GH Restricted Stock Units Common Stock (2,084) $0.00 — 2,084 Disposed
June 15, 2026 GH Restricted Stock Units Common Stock (2,039) $0.00 — 2,039 Disposed
Nov. 3, 2020 CDNA Employee Stock Option (right to buy) Common Stock (555) $2.80 Sept. 1, 2027 555 Disposed
Nov. 3, 2020 CDNA Employee Stock Option (right to buy) Common Stock (3,750) $5.90 Oct. 27, 2027 3,750 Disposed
Nov. 3, 2020 CDNA Employee Stock Option (right to buy) Common Stock (4,167) $12.24 June 29, 2028 4,167 Disposed
Nov. 3, 2020 CDNA Employee Stock Option (right to buy) Common Stock (1,168) $6.31 Jan. 19, 2028 1,168 Disposed
Nov. 3, 2020 CDNA Employee Stock Option (right to buy) Common Stock (12,667) $27.17 Feb. 4, 2029 12,667 Disposed
Nov. 3, 2020 CDNA Employee Stock Option (right to buy) Common Stock (3,333) $1.00 April 21, 2027 3,333 Disposed
July 6, 2020 CDNA Employee Stock Option (right to buy) Common Stock (20,000) $34.49 July 6, 2030 20,000 Acquired
May 6, 2020 CDNA Employee Stock Option (right to buy) Common Stock (11,458) $12.24 June 29, 2028 11,458 Disposed
May 6, 2020 CDNA Employee Stock Option (right to buy) Common Stock (3,211) $6.31 Jan. 19, 2028 3,211 Disposed
May 6, 2020 CDNA Employee Stock Option (right to buy) Common Stock (1,667) $2.80 Sept. 1, 2027 1,667 Disposed
May 6, 2020 CDNA Employee Stock Option (right to buy) Common Stock (10,313) $5.90 Oct. 27, 2027 10,313 Disposed
May 6, 2020 CDNA Employee Stock Option (right to buy) Common Stock (9,167) $1.00 April 21, 2027 9,167 Disposed
Feb. 3, 2020 CDNA Common Stock Common Stock (30,000) $24.35 Feb. 3, 2030 30,000 Acquired
June 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (12,500) $12.24 June 29, 2028 12,500 Disposed
June 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (292) $6.31 Jan. 19, 2028 292 Disposed
June 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (937) $5.90 Oct. 27, 2027 937 Disposed
June 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (139) $2.80 Sept. 1, 2027 139 Disposed
June 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (834) $1.00 April 21, 2027 834 Disposed
May 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (292) $6.31 Jan. 19, 2028 292 Disposed
May 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (938) $5.90 Oct. 27, 2027 938 Disposed
May 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (139) $2.80 Sept. 1, 2027 139 Disposed
May 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (833) $1.00 April 21, 2027 833 Disposed
May 9, 2019 CDNA Employee Stock Option (right to buy) Common Stock (292) $6.31 Jan. 19, 2028 292 Disposed
May 9, 2019 CDNA Employee Stock Option (right to buy) Common Stock (937) $5.90 Oct. 27, 2027 937 Disposed
May 9, 2019 CDNA Employee Stock Option (right to buy) Common Stock (139) $2.80 Sept. 1, 2027 139 Disposed
May 9, 2019 CDNA Employee Stock Option (right to buy) Common Stock (833) $1.00 April 21, 2027 833 Disposed
Feb. 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (937) $5.90 Oct. 27, 2027 937 Disposed
Feb. 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (833) $1.00 April 21, 2027 833 Disposed
Feb. 20, 2019 CDNA Employee Stock Option (right to buy) Common Stock (292) $6.31 Jan. 19, 2028 292 Disposed
Feb. 15, 2019 CDNA Employee Stock Option (right to buy) Common Stock (3,503) $6.31 Jan. 19, 2028 3,503 Disposed
Feb. 15, 2019 CDNA Employee Stock Option (right to buy) Common Stock (13,925) $5.90 Oct. 27, 2027 13,925 Disposed
Feb. 15, 2019 CDNA Employee Stock Option (right to buy) Common Stock (5,694) $2.80 Sept. 1, 2027 5,694 Disposed
Feb. 15, 2019 CDNA Employee Stock Option (right to buy) Common Stock (5,000) $1.00 April 21, 2027 5,000 Disposed
Feb. 4, 2019 CDNA Employee Stock Option (right to buy) Common Stock (32,000) $27.17 Feb. 4, 2029 32,000 Acquired
Aug. 14, 2018 CDNA Employee Stock Option (right to buy) Common Stock (12,500) $1.00 April 21, 2027 12,500 Disposed
June 29, 2018 CDNA Employee Stock Option (right to buy) Common Stock (50,000) $12.24 June 29, 2028 50,000 Acquired
Jan. 19, 2018 CDNA Employee Stock Option (right to buy) Common Stock (14,013) $6.31 Jan. 19, 2028 14,013 Acquired
Oct. 27, 2017 CDNA Employee Stock Option (right to buy) Common Stock (45,000) $5.90 Oct. 27, 2027 45,000 Acquired
Sept. 1, 2017 CDNA Employee Stock Option (right to buy) Common Stock (10,000) $2.80 Sept. 1, 2027 10,000 Acquired
April 21, 2017 CDNA Employee Stock Option (right to buy) Common Stock (40,000) $1.00 April 21, 2027 40,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CDNA

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2020 $383,249 — — — — — $20,420 $3,443,952
2019 $355,383 — $1,442,210 $556,891 $327,582 — $3,621 $2,685,687
2018 $340,653 — $1,006,422 $438,090 $308,284 — $1,560 $2,095,009

GH

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2023 $482,000 — $1,851,413 $1,453,305 $327,375 — $9,900 $4,123,993
2022 $466,077 — $604,238 $742,480 $154,958 — $9,959 $1,977,712
2021 $439,616 $500,000 $2,941,720 $2,317,493 $250,155 — $10,998 $6,459,981

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.