Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 8 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 5, 2026 STRO A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-02)
Dec. 23, 2025 STRO A 1,500 · · 1,500 Direct · Acquired (price as of 2026-10-02)
June 6, 2025 STRO A 50,000 · · 50,000 Direct · Acquired (price as of 2026-10-02)
June 6, 2024 STRO A 35,000 · · 35,000 Direct · Acquired (price as of 2026-10-02)
June 8, 2023 STRO A 25,000 · · 25,000 Direct · Acquired (price as of 2026-10-02)
June 6, 2022 STRO A 18,500 · · 18,500 Direct · Acquired (price as of 2026-10-02)
Nov. 19, 2021 STRO A 9,884 · · 9,884 Direct · Acquired (price as of 2026-10-02)
Nov. 19, 2021 STRO A 24,000 · · 24,000 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 5, 2026 STRO Stock Option (right to buy) Common Stock (10,000) $26.09 June 5, 2036 10,000 Acquired
Dec. 23, 2025 STRO Stock Option (right to buy) Common Stock (1,500) $10.38 Dec. 23, 2035 1,500 Acquired
June 6, 2025 STRO Stock Option (right to buy) Common Stock (50,000) $0.85 June 6, 2035 50,000 Acquired
June 6, 2024 STRO Stock Option (right to buy) Common Stock (35,000) $3.76 June 6, 2034 35,000 Acquired
June 8, 2023 STRO Stock Option (right to buy) Common Stock (25,000) $5.12 June 8, 2033 25,000 Acquired
June 6, 2022 STRO Stock Option (right to buy) Common Stock (18,500) $4.44 June 5, 2032 18,500 Acquired
Nov. 19, 2021 STRO Stock Option (right to buy Common Stock) Common Stock (9,884) $17.56 Nov. 18, 2031 9,884 Acquired
Nov. 19, 2021 STRO Stock Option (right to buy Common Stock) Common Stock (24,000) $17.56 Nov. 18, 2031 24,000 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Nov. 22, 2021 STRO No securities beneficially held 0 Direct