Insider at

04

Insider transactions

05
1 buys (P) 0 sells (S) Net: $10,003 + 16 non-open-market transactions below Avg return of open purchases vs now: 91.9% 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

16 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 15, 2025 STRO P 12,504 $0.80 $10,003 71,737 Direct +21.11% Acquired 91.9% (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
March 4, 2026 STRO Restricted Stock Units (RSUs) Common Stock (675) · March 4, 2026 675 Disposed
March 2, 2026 STRO Restricted Stock Units (RSUs) Common Stock (2,356) · March 2, 2029 2,356 Disposed
March 2, 2026 STRO Restricted Stock Units (RSUs) Common Stock (4,200) · March 1, 2030 4,200 Acquired
March 2, 2026 STRO Stock Option (right to buy) Common Stock (33,600) $20.55 March 2, 2036 33,600 Acquired
March 1, 2026 STRO Restricted Stock Units (RSUs) Common Stock (500) · March 1, 2027 500 Disposed
March 1, 2026 STRO Restricted Stock Units (RSUs) Common Stock (842) · March 1, 2028 842 Disposed
Dec. 23, 2025 STRO Stock Option (right to buy) Common Stock (7,200) $10.38 Dec. 23, 2035 7,200 Acquired
April 4, 2025 STRO Stock Option (Right to Buy) Common Stock (101,500) $0.55 April 4, 2035 101,500 Acquired
April 4, 2025 STRO Restricted Stock Units (RSUs) Common Stock (94,250) · March 2, 2029 94,250 Acquired

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

Initial ownership (Form 3) 12 holdings

07

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

DateTickerSecuritySharesOwnership
Sept. 12, 2025 STRO Common Stock 56,733 Direct
April 8, 2025 STRO Common Stock 98,758 Direct
April 8, 2025 STRO Stock Option (Right to Buy)→ Common Stock (1,377) 1,377 Direct
April 8, 2025 STRO Stock Option (Right to Buy)→ Common Stock (13,073) 13,073 Direct
April 8, 2025 STRO Stock Option (Right to Buy)→ Common Stock (23,000) 23,000 Direct
April 8, 2025 STRO Stock Option (Right to Buy)→ Common Stock (40,000) 40,000 Direct
April 8, 2025 STRO Stock Option (Right to Buy)→ Common Stock (28,000) 28,000 Direct
April 8, 2025 STRO Stock Option (Right to Buy)→ Common Stock (30,000) 30,000 Direct
April 8, 2025 STRO Stock Option (Right to Buy)→ Common Stock (44,000) 44,000 Direct
April 8, 2025 STRO Restricted Stock Units→ Common Stock (6,750) 6,750 Direct
April 8, 2025 STRO Restricted Stock Units→ Common Stock (10,000) 10,000 Direct
April 8, 2025 STRO Restricted Stock Units→ Common Stock (25,275) 25,275 Direct