Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 74 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
May 15, 2025 STRO M 24,438 · · 156,519 Direct +18.50% Acquired (price as of 2026-10-06)
May 15, 2025 STRO M 11,156 · · 167,675 Direct +7.13% Acquired (price as of 2026-10-06)
May 15, 2025 STRO M 9,125 · · 176,800 Direct +5.44% Acquired (price as of 2026-10-06)
May 15, 2025 STRO F 15,995 $0.88 $14,076 160,805 Direct -9.05% Disposed 64.2% (price as of 2026-10-06)
May 15, 2025 STRO M 24,438 · · 27,312 Direct -47.22% Disposed (price as of 2026-10-06)
May 15, 2025 STRO M 11,156 · · 4,594 Direct -70.83% Disposed (price as of 2026-10-06)
May 15, 2025 STRO M 9,125 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
March 5, 2025 STRO M 8,750 · · 135,675 Direct +6.89% Acquired (price as of 2026-10-06)
March 5, 2025 STRO F 3,594 $1.36 $4,888 132,081 Direct -2.65% Disposed 6.2% (price as of 2026-10-06)
March 5, 2025 STRO M 8,750 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
March 4, 2025 STRO M 9,125 · · 130,673 Direct +7.51% Acquired (price as of 2026-10-06)
March 4, 2025 STRO F 3,748 $1.42 $5,322 126,925 Direct -2.87% Disposed 1.8% (price as of 2026-10-06)
March 4, 2025 STRO M 9,125 · · 9,125 Direct -50.00% Disposed (price as of 2026-10-06)
March 1, 2025 STRO M 7,875 · · 114,618 Direct +7.38% Acquired (price as of 2026-10-06)
March 1, 2025 STRO M 17,250 · · 131,868 Direct +15.05% Acquired (price as of 2026-10-06)
March 1, 2025 STRO F 10,320 $1.59 $16,409 121,548 Direct -7.83% Disposed -9.1% (price as of 2026-10-06)
March 1, 2025 STRO M 7,875 · · 15,750 Direct -33.33% Disposed (price as of 2026-10-06)
March 1, 2025 STRO M 17,250 · · 51,750 Direct -25.00% Disposed (price as of 2026-10-06)
March 5, 2024 STRO A 69,000 · · 69,000 Direct · Acquired (price as of 2026-10-06)
March 5, 2024 STRO M 8,750 · · 109,843 Direct +8.66% Acquired (price as of 2026-10-06)
March 5, 2024 STRO F 3,100 $4.54 $14,074 106,743 Direct -2.82% Disposed -68.2% (price as of 2026-10-06)
March 5, 2024 STRO A 68,000 · · 68,000 Direct · Acquired (price as of 2026-10-06)
March 5, 2024 STRO A 51,000 · · 51,000 Direct · Acquired (price as of 2026-10-06)
March 5, 2024 STRO M 8,750 · · 8,750 Direct -50.00% Disposed (price as of 2026-10-06)
March 4, 2024 STRO M 9,125 · · 104,565 Direct +9.56% Acquired (price as of 2026-10-06)
March 4, 2024 STRO F 3,472 $4.79 $16,631 101,093 Direct -3.32% Disposed -69.8% (price as of 2026-10-06)
March 4, 2024 STRO M 9,125 · · 18,250 Direct -33.33% Disposed (price as of 2026-10-06)
March 1, 2024 STRO M 7,875 · · 98,667 Direct +8.67% Acquired (price as of 2026-10-06)
March 1, 2024 STRO F 3,227 $4.95 $15,974 95,440 Direct -3.27% Disposed -70.8% (price as of 2026-10-06)
March 1, 2024 STRO M 7,875 · · 23,625 Direct -25.00% Disposed (price as of 2026-10-06)
Jan. 29, 2024 STRO M 5,250 · · 92,943 Direct +5.99% Acquired (price as of 2026-10-06)
Jan. 29, 2024 STRO F 2,151 $4.99 $10,733 90,792 Direct -2.31% Disposed -71.0% (price as of 2026-10-06)
Jan. 29, 2024 STRO M 5,250 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
March 3, 2023 STRO M 8,750 · · 17,500 Direct -33.33% Disposed (price as of 2026-10-06)
March 3, 2023 STRO M 9,125 · · 27,375 Direct -25.00% Disposed (price as of 2026-10-06)
March 3, 2023 STRO A 31,500 · · 31,500 Direct · Acquired (price as of 2026-10-06)
March 3, 2023 STRO A 47,000 · · 47,000 Direct · Acquired (price as of 2026-10-06)
March 3, 2023 STRO F 6,588 $5.79 $38,145 87,693 Direct -6.99% Disposed -75.0% (price as of 2026-10-06)
March 3, 2023 STRO M 8,750 · · 94,281 Direct +10.23% Acquired (price as of 2026-10-06)
March 3, 2023 STRO M 9,125 · · 85,531 Direct +11.94% Acquired (price as of 2026-10-06)
Feb. 13, 2023 STRO M 45,698 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
Feb. 13, 2023 STRO M 45,698 $5.81 $265,505 76,406 Direct +148.81% Acquired -75.1% (price as of 2026-10-06)
Jan. 27, 2023 STRO M 5,250 · · 5,250 Direct -50.00% Disposed (price as of 2026-10-06)
Jan. 27, 2023 STRO F 2,140 $7.50 $16,050 30,708 Direct -6.51% Disposed -80.7% (price as of 2026-10-06)
Jan. 27, 2023 STRO M 5,250 · · 32,848 Direct +19.02% Acquired (price as of 2026-10-06)
March 5, 2022 STRO M 8,750 · · 26,250 Direct -25.00% Disposed (price as of 2026-10-06)
March 5, 2022 STRO F 3,145 $8.17 $25,695 27,598 Direct -10.23% Disposed -82.3% (price as of 2026-10-06)
March 5, 2022 STRO M 8,750 · · 30,743 Direct +39.79% Acquired (price as of 2026-10-06)
March 4, 2022 STRO A 36,500 · · 36,500 Direct · Acquired (price as of 2026-10-06)
March 4, 2022 STRO A 42,000 · · 42,000 Direct · Acquired (price as of 2026-10-06)
Jan. 29, 2022 STRO M 5,250 · · 10,500 Direct -33.33% Disposed (price as of 2026-10-06)
Jan. 29, 2022 STRO F 2,151 $10.39 $22,349 21,993 Direct -8.91% Disposed -86.1% (price as of 2026-10-06)
Jan. 29, 2022 STRO M 5,250 · · 24,144 Direct +27.79% Acquired (price as of 2026-10-06)
Sept. 24, 2021 STRO M 7,174 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
Sept. 24, 2021 STRO F 2,480 $19.23 $47,690 18,894 Direct -11.60% Disposed -92.5% (price as of 2026-10-06)
Sept. 24, 2021 STRO M 7,174 · · 21,374 Direct +50.52% Acquired (price as of 2026-10-06)
March 5, 2021 STRO A 35,000 · · 35,000 Direct · Acquired (price as of 2026-10-06)
March 5, 2021 STRO A 50,000 · · 50,000 Direct · Acquired (price as of 2026-10-06)
Jan. 29, 2021 STRO M 5,250 · · 15,750 Direct -25.00% Disposed (price as of 2026-10-06)
Jan. 29, 2021 STRO F 2,126 $22.15 $47,091 14,200 Direct -13.02% Disposed -93.5% (price as of 2026-10-06)
Jan. 29, 2021 STRO M 5,250 · · 16,326 Direct +47.40% Acquired (price as of 2026-10-06)
Sept. 25, 2020 STRO M 7,174 · · 7,174 Direct -50.00% Disposed (price as of 2026-10-06)
Sept. 25, 2020 STRO F 2,480 $10.30 $25,544 11,076 Direct -18.29% Disposed -86.0% (price as of 2026-10-06)
Sept. 25, 2020 STRO M 7,174 · · 13,556 Direct +112.41% Acquired (price as of 2026-10-06)
Jan. 29, 2020 STRO A 21,000 · · 21,000 Direct · Acquired (price as of 2026-10-06)
Jan. 29, 2020 STRO A 47,500 · · 47,500 Direct · Acquired (price as of 2026-10-06)
Sept. 26, 2019 STRO M 7,174 · · 14,348 Direct -33.33% Disposed (price as of 2026-10-06)
Sept. 26, 2019 STRO F 2,480 $9.74 $24,155 6,382 Direct -27.98% Disposed -85.2% (price as of 2026-10-06)
Sept. 26, 2019 STRO M 7,174 · · 8,862 Direct +425.00% Acquired (price as of 2026-10-06)
Jan. 29, 2019 STRO A 47,500 · · 47,500 Direct · Acquired (price as of 2026-10-06)
Oct. 1, 2018 STRO C 41,694 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
Oct. 1, 2018 STRO C 1,688 · · 1,688 Direct · Acquired (price as of 2026-10-06)
Sept. 26, 2018 STRO A 21,522 · · 21,522 Direct · Acquired (price as of 2026-10-06)
Sept. 26, 2018 STRO A 129,132 · · 129,132 Direct · Acquired (price as of 2026-10-06)

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
May 15, 2025 STRO Restricted Stock Unit (RSU) Common Stock (24,438) · March 1, 2028 24,438 Disposed
May 15, 2025 STRO Restricted Stock Unit (RSU) Common Stock (11,156) · March 1, 2027 11,156 Disposed
May 15, 2025 STRO Restricted Stock Unit (RSU) Common Stock (9,125) · March 4, 2026 9,125 Disposed
March 5, 2025 STRO Restricted Stock Unit (RSU) Common Stock (8,750) · March 5, 2025 8,750 Disposed
March 4, 2025 STRO Restricted Stock Unit (RSU) Common Stock (9,125) · March 4, 2026 9,125 Disposed
March 1, 2025 STRO Restricted Stock Unit (RSU) Common Stock (7,875) · March 1, 2027 7,875 Disposed
March 1, 2025 STRO Restricted Stock Unit (RSU) Common Stock (17,250) · March 1, 2028 17,250 Disposed
March 5, 2024 STRO Restricted Stock Units (RSUs) Common Stock (69,000) · March 1, 2028 69,000 Acquired
March 5, 2024 STRO Stock Option (Right to Buy Common Stock) Common Stock (68,000) $4.54 March 5, 2034 68,000 Acquired
March 5, 2024 STRO Restricted Stock Units (RSUs) Common Stock (51,000) · March 1, 2028 51,000 Acquired
March 5, 2024 STRO Restricted Stock Unit (RSU) Common Stock (8,750) · March 5, 2025 8,750 Disposed
March 4, 2024 STRO Restricted Stock Unit (RSU) Common Stock (9,125) · March 4, 2026 9,125 Disposed
March 1, 2024 STRO Restricted Stock Unit (RSU) Common Stock (7,875) · March 1, 2027 7,875 Disposed
Jan. 29, 2024 STRO Restricted Stock Unit (RSU) Common Stock (5,250) · Jan. 29, 2024 5,250 Disposed
March 3, 2023 STRO Restricted Stock Unit (RSU) Common Stock (8,750) · March 5, 2025 8,750 Disposed
March 3, 2023 STRO Restricted Stock Unit (RSU) Common Stock (9,125) · March 4, 2026 9,125 Disposed
March 3, 2023 STRO Restricted Stock Unit (RSU) Common Stock (31,500) · March 1, 2027 31,500 Acquired
March 3, 2023 STRO Stock Option (right to buy Common Stock) Common Stock (47,000) $5.79 Feb. 28, 2033 47,000 Acquired
Feb. 13, 2023 STRO Stock Option (right to buy) Common Stock (45,698) $5.81 Feb. 13, 2023 45,698 Disposed
Jan. 27, 2023 STRO Restricted Stock Unit (RSU) Common Stock (5,250) · Jan. 29, 2024 5,250 Disposed
March 5, 2022 STRO Restricted Stock Unit (RSU) Common Stock (8,750) · March 5, 2025 8,750 Disposed
March 4, 2022 STRO Restricted Stock Unit (RSU) Common Stock (36,500) · March 4, 2026 36,500 Acquired
March 4, 2022 STRO Stock Option (right to buy Common Stock) Common Stock (42,000) $8.17 March 3, 2032 42,000 Acquired
Jan. 29, 2022 STRO Restricted Stock Unit (RSU) Common Stock (5,250) · Jan. 29, 2025 5,250 Disposed
Sept. 24, 2021 STRO Restricted Stock Unit (RSU) Common Stock (7,174) · Sept. 26, 2021 7,174 Disposed
March 5, 2021 STRO Restricted Stock Unit (RSU) Common Stock (35,000) · March 5, 2025 35,000 Acquired
March 5, 2021 STRO Stock Option (right to buy Common Stock) Common Stock (50,000) $21.11 March 4, 2031 50,000 Acquired
Jan. 29, 2021 STRO Restricted Stock Unit (RSU) Common Stock (5,250) · Jan. 29, 2024 5,250 Disposed
Sept. 25, 2020 STRO Restricted Stock Unit (RSU) Common Stock (7,174) · Sept. 26, 2021 7,174 Disposed
Jan. 29, 2020 STRO Restricted Stock Unit (RSU) Common Stock (21,000) · Jan. 29, 2024 21,000 Acquired
Jan. 29, 2020 STRO Stock Option (right to buy Common Stock) Common Stock (47,500) $10.09 Jan. 29, 2030 47,500 Acquired
Sept. 26, 2019 STRO Restricted Stock Unit (RSU) Common Stock (7,174) · Sept. 26, 2021 7,174 Disposed
Jan. 29, 2019 STRO Stock Option (right to buy Common Stock) Common Stock (47,500) $10.45 Jan. 28, 2029 47,500 Acquired
Oct. 1, 2018 STRO Series D Preferred Stock Common Stock (1,688) · · 41,694 Disposed
Sept. 26, 2018 STRO Restricted Stock Unit (RSU) Common Stock (21,522) · Sept. 25, 2021 21,522 Acquired
Sept. 26, 2018 STRO Stock Option (right to buy Common Stock) Common Stock (129,132) $15.00 Sept. 25, 2028 129,132 Acquired

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

Initial ownership (Form 3) 6 holdings

07

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

DateTickerSecuritySharesOwnership
Sept. 26, 2018 STRO No securities beneficially held 0 Direct
Sept. 26, 2018 STRO Series D Preferred Stock→ Common Stock (41,694) 41,694 Direct
Sept. 26, 2018 STRO Stock Option (right to buy Common Stock)→ Common Stock (45,698) 45,698 Direct
Sept. 26, 2018 STRO Stock Option (right to buy Common Stock)→ Common Stock (15,539) 15,539 Direct
Sept. 26, 2018 STRO Stock Option (right to buy Common Stock)→ Common Stock (11,258) 11,258 Direct
Sept. 26, 2018 STRO Stock Option (right to buy Common Stock)→ Common Stock (9,228) 9,228 Direct