Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 39 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

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

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 18, 2026 LAB A 175,923 · · 175,923 Direct · Acquired (price as of 2026-10-02)
June 18, 2026 LAB A 99,116 · · 335,299 Direct +41.97% Acquired (price as of 2026-10-02)
June 11, 2026 MASS A 6,209 · · 6,209 Direct · Acquired (price as of 2026-10-02)
June 11, 2026 MASS A 13,656 · · 13,656 Direct · Acquired (price as of 2026-10-02)
June 10, 2026 MASS M 14,083 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 10, 2026 MASS M 14,083 · · 40,897 Direct +52.52% Acquired (price as of 2026-10-02)
June 20, 2025 LAB A 125,660 · · 125,660 Direct · Acquired (price as of 2026-10-02)
June 20, 2025 LAB A 94,592 · · 236,183 Direct +66.81% Acquired (price as of 2026-10-02)
June 12, 2025 MASS A 14,083 · · 14,083 Direct · Acquired (price as of 2026-10-02)
June 12, 2025 MASS A 6,516 · · 6,516 Direct · Acquired (price as of 2026-10-02)
June 11, 2025 MASS M 11,364 · · 26,814 Direct +73.55% Acquired (price as of 2026-10-02)
June 11, 2025 MASS M 11,364 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 28, 2024 LAB A 72,213 · · 72,213 Direct · Acquired (price as of 2026-10-02)
June 28, 2024 LAB A 43,128 · · 141,591 Direct +43.80% Acquired (price as of 2026-10-02)
June 13, 2024 MASS A 11,364 · · 11,364 Direct · Acquired (price as of 2026-10-02)
June 13, 2024 MASS A 15,996 · · 15,996 Direct · Acquired (price as of 2026-10-02)
June 12, 2024 MASS M 7,777 · · 15,450 Direct +101.36% Acquired (price as of 2026-10-02)
June 12, 2024 MASS M 7,777 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 22, 2024 MASS M 508 · · 7,673 Direct +7.09% Acquired (price as of 2026-10-02)
Feb. 22, 2024 MASS M 508 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 15, 2023 MASS A 7,777 · · 7,777 Direct · Acquired (price as of 2026-10-02)
June 15, 2023 MASS A 12,076 · · 12,076 Direct · Acquired (price as of 2026-10-02)
June 14, 2023 MASS M 4,771 · · 7,165 Direct +199.29% Acquired (price as of 2026-10-02)
June 14, 2023 MASS M 4,771 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 14, 2023 LAB A 35,380 · · 35,380 Direct · Acquired (price as of 2026-10-02)
June 14, 2023 LAB A 26,376 · · 98,463 Direct +36.59% Acquired (price as of 2026-10-02)
March 15, 2023 LAB A 72,087 · · 72,087 Direct · Acquired (price as of 2026-10-02)
Feb. 22, 2023 MASS M 507 · · 2,394 Direct +26.87% Acquired (price as of 2026-10-02)
Feb. 22, 2023 MASS M 507 · · 508 Direct -49.95% Disposed (price as of 2026-10-02)
June 16, 2022 MASS A 4,771 · · 4,771 Direct · Acquired (price as of 2026-10-02)
June 16, 2022 MASS A 7,970 · · 7,970 Direct · Acquired (price as of 2026-10-02)
June 15, 2022 MASS M 1,379 · · 1,887 Direct +271.46% Acquired (price as of 2026-10-02)
June 15, 2022 MASS M 1,379 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 22, 2022 MASS M 508 · · 508 Direct · Acquired (price as of 2026-10-02)
Feb. 22, 2022 MASS M 508 · · 1,015 Direct -33.36% Disposed (price as of 2026-10-02)
June 17, 2021 MASS A 1,379 · · 1,379 Direct · Acquired (price as of 2026-10-02)
June 17, 2021 MASS A 2,455 · · 2,455 Direct · Acquired (price as of 2026-10-02)
March 1, 2021 MASS A 1,523 · · 1,523 Direct · Acquired (price as of 2026-10-02)
March 1, 2021 MASS A 2,562 · · 2,562 Direct · Acquired (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 18, 2026 LAB Stock Option (Right to buy) Common Stock (175,923) $0.83 June 18, 2036 175,923 Acquired
June 11, 2026 MASS Stock Option (option to buy) Common Stock (6,209) $8.22 June 10, 2036 6,209 Acquired
June 11, 2026 MASS Restricted Stock Units Common Stock (13,656) · · 13,656 Acquired
June 10, 2026 MASS Restricted Stock Units Common Stock (14,083) · · 14,083 Disposed
June 20, 2025 LAB Stock Option (Right to buy) Common Stock (125,660) $1.05 June 20, 2035 125,660 Acquired
June 12, 2025 MASS Restricted Stock Units Common Stock (14,083) · · 14,083 Acquired
June 12, 2025 MASS Stock Option (option to buy) Common Stock (6,516) $7.19 June 11, 2035 6,516 Acquired
June 11, 2025 MASS Restricted Stock Units Common Stock (11,364) · · 11,364 Disposed
June 28, 2024 LAB Stock Option (Right to buy) Common Stock (72,213) $1.77 June 28, 2034 72,213 Acquired
June 13, 2024 MASS Restricted Stock Unit Common Stock (11,364) · · 11,364 Acquired
June 13, 2024 MASS Stock Option (option to buy) Common Stock (15,996) $5.94 June 15, 2033 15,996 Acquired
June 12, 2024 MASS Restricted Stock Unit Common Stock (7,777) · · 7,777 Disposed
Feb. 22, 2024 MASS Restricted Stock Unit Common Stock, par value $0.001 (508) · · 508 Disposed
June 15, 2023 MASS Restricted Stock Units Common Stock (7,777) · · 7,777 Acquired
June 15, 2023 MASS Stock Option (option to buy) Common Stock (12,076) $8.68 June 15, 2033 12,076 Acquired
June 14, 2023 MASS Restricted Stock Units Common Stock (4,771) · · 4,771 Disposed
June 14, 2023 LAB Stock Option (Right to Buy) Common Stock (35,380) $2.18 June 14, 2033 35,380 Acquired
Feb. 22, 2023 MASS Restricted Stock Unit Common Stock, par value $0.001 (1,015) · · 507 Disposed
June 16, 2022 MASS Restricted Stock Unit Common Stock, par value $0.001 (4,771) · · 4,771 Acquired
June 16, 2022 MASS Stock Option (option to buy) Common Stock, par value $0.001 (7,970) $14.15 June 16, 2032 7,970 Acquired
June 15, 2022 MASS Restricted Stock Unit Common Stock, par value $0.001 (1,379) · · 1,379 Disposed
Feb. 22, 2022 MASS Restricted Stock Unit Common Stock, par value $0.001 (1,523) · · 508 Disposed
June 17, 2021 MASS Restricted Stock Unit Common Stock, par value $0.001 (1,379) · · 1,379 Acquired
June 17, 2021 MASS Stock Option (option to buy) Common Stock, par value $0.001 (2,455) $41.70 June 17, 2031 2,455 Acquired
March 1, 2021 MASS Restricted Stock Unit Common Stock, par value $0.001 (1,523) · · 1,523 Acquired
March 1, 2021 MASS Stock Option (option to buy) Common Stock, par value $0.001 (2,562) $57.47 March 1, 2031 2,562 Acquired

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