Insider at

04

Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 18 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 2, 2026 QTRX M 4,224 · · 15,883 Direct +36.23% Acquired
Oct. 2, 2026 QTRX M 4,224 · · 4,352 Direct -49.25% Disposed
June 17, 2026 ACRV A 20,275 · · 20,275 Direct · Acquired
May 18, 2026 ACRV A 9,366 · · 9,366 Direct · Acquired
Jan. 2, 2026 QTRX A 23,372 · · 43,607 Direct +115.50% Acquired
June 13, 2025 ACRV A 20,275 · · 20,275 Direct · Acquired
Jan. 2, 2025 QTRX A 7,435 · · 20,235 Direct +58.09% Acquired
Jan. 2, 2025 QTRX A 15,821 · · 15,821 Direct · Acquired
Oct. 2, 2024 QTRX A 12,800 · · 12,800 Direct · Acquired
Oct. 2, 2024 QTRX A 27,689 · · 27,689 Direct · Acquired
Feb. 8, 2024 ACRV A 32,500 · · 32,500 Direct · Acquired
June 22, 2023 SYRE A 1,950,000 · · 1,950,000 Direct · Acquired
June 8, 2022 ABSI A 28,700 · · 28,700 Direct · Acquired
June 7, 2022 SYRE A 43,000 · · 43,000 Direct · Acquired
June 8, 2021 SYRE A 40,000 · · 40,000 Direct · Acquired
June 8, 2020 SYRE A 28,100 · · 28,100 Direct · Acquired
June 7, 2019 SYRE A 12,400 · · 12,400 Direct · Acquired
March 22, 2018 SYRE A 36,800 · · 36,800 Direct · Acquired

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Oct. 2, 2026 QTRX Restricted Stock Unit Common Stock (4,224) $0.00 · 4,224 Disposed
June 17, 2026 ACRV Stock Option (Right to Buy) Common Stock (20,275) $1.52 June 16, 2036 20,275 Acquired
June 13, 2025 ACRV Stock Option (Right to Buy) Common Stock (20,275) $1.20 June 12, 2035 20,275 Acquired
Jan. 2, 2025 QTRX Stock Option (Right to Buy) Common Stock (15,821) $10.76 Jan. 2, 2035 15,821 Acquired
Oct. 2, 2024 QTRX Common Stock Common Stock (27,689) $12.50 Oct. 2, 2034 27,689 Acquired
Feb. 8, 2024 ACRV Stock Option (Right to Buy) Common Stock (32,500) $3.54 Feb. 7, 2034 32,500 Acquired
June 22, 2023 SYRE Stock Option (right to buy) Common Stock (1,950,000) $0.30 June 22, 2033 1,950,000 Acquired
June 8, 2022 ABSI Stock Option (right to buy) Common Stock (28,700) $3.39 June 7, 2032 28,700 Acquired
June 7, 2022 SYRE Director Stock Option (right to buy) Common Stock (43,000) $0.73 June 6, 2032 43,000 Acquired
June 8, 2021 SYRE Director Stock Option (right to buy) Common Stock (40,000) $6.80 June 7, 2031 40,000 Acquired
June 8, 2020 SYRE Director Stock Option (right to buy) Common Stock (28,100) $8.89 June 7, 2030 28,100 Acquired
June 7, 2019 SYRE Director Stock Option (right to buy) Common Stock (12,400) $6.33 June 6, 2029 12,400 Acquired
March 22, 2018 SYRE Director Stock Option (right to buy) Common Stock (36,800) $10.50 March 21, 2028 36,800 Acquired

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

Initial ownership (Form 3) 3 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
July 21, 2021 ABSI Common Stock 179,328 Direct
July 21, 2021 ABSI Stock Option (right to buy)→ Common Stock (27,676) 27,676 Direct
July 21, 2021 ABSI Stock Option (right to buy)→ Common Stock (147,020) 147,020 Direct