Insider at

04

Insider transactions

05
0 buys (P) 2 sells (S) Net: $-3,713,300 + 79 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

79 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 6, 2026 QS S 50,000 $7.87 $393,500 1,803,035 Direct -2.70% Disposed -41.9% (price as of 2026-10-02)
Oct. 24, 2025 QS S 220,000 $15.09 $3,319,800 1,420,054 Direct -13.41% Disposed -69.7% (price as of 2026-10-02)
Aug. 19, 2025 QS S 10b5-1 23,598 $8.65 $204,123 1,577,079 Direct -1.47% Disposed -47.2% (price as of 2026-10-02)
July 8, 2025 QS S 10b5-1 465,000 $8.21 $3,817,650 1,641,711 Direct -22.07% Disposed -44.3% (price as of 2026-10-02)
June 26, 2025 QS S 10b5-1 325,000 $7.21 $2,343,250 1,641,711 Direct -16.53% Disposed -36.6% (price as of 2026-10-02)
June 25, 2025 QS S 10b5-1 290,000 $5.96 $1,728,400 1,641,711 Direct -15.01% Disposed -23.3% (price as of 2026-10-02)
May 19, 2025 QS S 10b5-1 71,428 $4.41 $314,997 1,640,998 Direct -4.17% Disposed 3.6% (price as of 2026-10-02)
Feb. 21, 2025 QS S 10b5-1 22,747 $5.34 $121,469 965,545 Direct -2.30% Disposed -14.4% (price as of 2026-10-02)
Feb. 20, 2025 QS S 10b5-1 30,957 $5.14 $159,119 988,292 Direct -3.04% Disposed -11.1% (price as of 2026-10-02)
Dec. 27, 2024 QS S 10b5-1 97,305 $6.24 $607,183 1,092,020 Direct -8.18% Disposed -26.8% (price as of 2026-10-02)
Dec. 26, 2024 QS S 10b5-1 82,695 $6.16 $509,401 1,092,020 Direct -7.04% Disposed -25.8% (price as of 2026-10-02)
Dec. 17, 2024 QS S 10b5-1 180,000 $5.20 $936,000 1,092,020 Direct -14.15% Disposed -12.1% (price as of 2026-10-02)
Dec. 13, 2024 QS S 10b5-1 24,797 $4.87 $120,761 1,092,020 Direct -2.22% Disposed -6.2% (price as of 2026-10-02)
July 11, 2024 QS S 10b5-1 173,224 $7.04 $1,219,497 1,196,905 Direct -12.64% Disposed -35.1% (price as of 2026-10-02)
Jan. 4, 2024 QS S 10b5-1 174,000 $8.58 $1,492,920 642,481 Direct -21.31% Disposed -46.7% (price as of 2026-10-02)
July 5, 2023 QS S 10b5-1 76,700 $8.59 $658,853 700,386 Direct -9.87% Disposed -46.8% (price as of 2026-10-02)
July 3, 2023 QS S 10b5-1 10,300 $8.52 $87,756 700,386 Direct -1.45% Disposed -46.4% (price as of 2026-10-02)
March 7, 2023 QS S 13,279 $8.34 $110,747 564,478 Direct -2.30% Disposed -45.2% (price as of 2026-10-02)
March 6, 2023 QS S 136,721 $9.17 $1,253,732 564,478 Direct -19.50% Disposed -50.2% (price as of 2026-10-02)
March 3, 2023 QS S 175,000 $9.18 $1,606,500 628,039 Direct -21.79% Disposed -50.2% (price as of 2026-10-02)
Feb. 22, 2023 QS S 10b5-1 8,500 $9.94 $84,490 628,039 Direct -1.34% Disposed -54.0% (price as of 2026-10-02)

Showing latest 100 of 226 transactions

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
Oct. 24, 2025 QS Stock Option (Right to Buy) Class A Common Stock (62,975) $2.38 June 5, 2029 62,975 Disposed
July 8, 2025 QS Stock Option (Right to Buy) Class A Common Stock (158,082) $1.33 March 15, 2027 158,082 Disposed
July 8, 2025 QS Stock Option (Right to Buy) Class A Common Stock (306,918) $2.38 June 5, 2029 306,918 Disposed
June 26, 2025 QS Stock Option (Right to Buy) Class A Common Stock (91,631) $1.33 March 15, 2027 91,631 Disposed
June 26, 2025 QS Stock Option (Right to Buy) Class A Common Stock (233,369) $2.38 June 5, 2029 233,369 Disposed
June 25, 2025 QS Stock Option (Right to Buy) Class A Common Stock (290,000) $1.33 March 15, 2027 290,000 Disposed
Dec. 27, 2024 QS Stock Option (Right to Buy) Class A Common Stock (97,305) $1.33 March 15, 2027 97,305 Disposed
Dec. 26, 2024 QS Stock Option (Right to Buy) Class A Common Stock (82,695) $1.33 March 15, 2027 82,695 Disposed
Dec. 17, 2024 QS Stock Option (Right to Buy) Class A Common Stock (14,263) $1.05 June 17, 2025 14,263 Disposed
Dec. 17, 2024 QS Stock Option (Right to Buy) Class A Common Stock (165,737) $1.33 March 15, 2027 165,737 Disposed
July 11, 2024 QS Stock Option (right to buy) Class A Common Stock (173,224) $1.05 June 17, 2025 173,224 Disposed
Jan. 4, 2024 QS Stock Option (Right to Buy) Class A Common Stock (174,000) $1.05 June 17, 2025 174,000 Disposed
July 5, 2023 QS Stock Option (Right to Buy) Class A Common Stock (76,700) $1.05 June 17, 2025 76,700 Disposed
July 3, 2023 QS Stock Option (Right to Buy) Class A Common Stock (10,300) $1.05 June 17, 2025 10,300 Disposed
March 7, 2023 QS Stock Option (right to buy) Class A Common Stock (13,279) $1.05 June 17, 2025 13,279 Disposed
March 6, 2023 QS Stock Option (right to buy) Class A Common Stock (73,160) $1.05 June 17, 2025 73,160 Disposed
March 3, 2023 QS Stock Option (right to buy) Class A Common Stock (175,000) $1.05 June 17, 2025 175,000 Disposed
Feb. 22, 2023 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Feb. 15, 2023 QS Stock Option (righ to buy) Class A Common Stock (178,500) $1.33 March 15, 2027 178,500 Disposed
Feb. 13, 2023 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Feb. 1, 2023 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Jan. 23, 2023 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Jan. 12, 2023 QS Stock Option (right to buy) Class A Common Stock (25,500) $1.33 March 15, 2027 25,500 Disposed
Dec. 13, 2022 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Dec. 1, 2022 QS Stock Option (right to buy) Class A Common Stock (6,843) $1.33 March 15, 2027 6,843 Disposed
Nov. 30, 2022 QS Stock Option (right to buy) Class A Common Stock (10,157) $1.33 March 15, 2027 10,157 Disposed
Nov. 9, 2022 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Oct. 31, 2022 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Oct. 19, 2022 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Oct. 10, 2022 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Sept. 28, 2022 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Sept. 19, 2022 QS Stock Option (right to buy) Class A Common Stock (21,250) $1.33 March 15, 2027 21,250 Disposed
Sept. 9, 2022 QS Stock Option (right to buy) Class A Common Stock (12,750) $1.33 March 15, 2027 12,750 Disposed
Sept. 7, 2022 QS Stock Option (right to buy) Class A Common Stock (8,500) $1.33 March 15, 2027 8,500 Disposed
Aug. 29, 2022 QS Stock Option (right to buy) Class A Common Stock (21,250) $1.33 March 15, 2027 21,250 Disposed
Aug. 17, 2022 QS Stock Option (Right to Buy) Class A Common Stock (21,250) $1.33 March 15, 2027 21,250 Disposed
Aug. 1, 2022 QS Stock Option (right to buy) Class A Common Stock (21,250) $1.33 March 15, 2027 21,250 Disposed
May 2, 2022 QS Stock Option (right to buy) Class A Common Stock (5,360) $1.33 March 15, 2027 5,360 Disposed
April 12, 2022 QS Stock Option (right to buy) Class A Common Stock (5,360) $1.33 March 15, 2027 5,360 Disposed
April 6, 2022 QS Stock Option (right to buy) Class A Common Stock (5,360) $1.33 March 15, 2027 5,360 Disposed
March 29, 2022 QS Stock Option (right to buy) Class A Common Stock (5,360) $1.33 March 15, 2027 5,360 Disposed
March 14, 2022 QS Stock Option (right to buy) Class A Common Stock (5,360) $1.33 March 15, 2027 5,360 Disposed
Feb. 25, 2022 QS Stock Option (right to buy) Class A Common Stock (5,360) $1.33 March 15, 2027 5,360 Disposed
Feb. 22, 2022 QS Stock Option (right to buy) Class A Common Stock (5,360) $1.33 March 15, 2027 5,360 Disposed
Dec. 8, 2021 QS Stock Option (right to buy) Class A Common (70,691) $1.05 June 17, 2025 70,691 Disposed
Dec. 7, 2021 QS Stock Option (right to buy) Class A Common (23,732) $1.05 June 17, 2025 23,732 Disposed
Dec. 7, 2021 QS Stock Option (right to buy) Class A Common (9,217) $1.05 April 27, 2025 9,217 Disposed
Dec. 7, 2021 QS Stock Option (right to buy) Class A Common (160,665) $1.05 April 27, 2025 317,051 Disposed
Dec. 1, 2021 QS Stock Option (right to buy) Class A Common (116,123) $1.05 April 27, 2025 116,123 Disposed
Dec. 1, 2021 QS Stock Option (right to buy) Class A Common (160,665) $1.05 April 25, 2024 160,665 Disposed
Nov. 30, 2021 QS Stock Option (right to buy) Class A Common Stock (160,206) $1.05 April 25, 2024 160,206 Disposed
Nov. 30, 2021 QS Stock Option (right to buy) Class A Common Stock (202,725) $1.05 April 25, 2024 202,725 Disposed
Sept. 15, 2021 QS Stock Option (right to buy) Class A Common Stock (34,706) $1.05 April 25, 2024 34,706 Disposed
Sept. 14, 2021 QS Stock Option (right to buy) Class A Common Stock (1,015) $1.05 April 25, 2024 1,015 Disposed
May 24, 2021 QS Stock Option (right to buy) Class A Common Stock (546,663) $1.05 April 25, 2024 546,663 Disposed

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
Dec. 7, 2020 QS Class A Common Stock 402,175 Direct
Dec. 7, 2020 QS Stock Option (right to buy)→ Class A Common Stock (1,105,980) 1,105,980 Direct
Dec. 7, 2020 QS Stock Option (right to buy)→ Class A Common Stock (442,391) 442,391 Direct
Dec. 7, 2020 QS Stock Option (right to buy)→ Class A Common Stock (804,349) 804,349 Direct
Dec. 7, 2020 QS Stock Option (right to buy)→ Class A Common Stock (1,335,220) 1,335,220 Direct
Dec. 7, 2020 QS Stock Option (right to buy)→ Class A Common Stock (603,262) 603,262 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

QS

Chief DevelopmentOfficer
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2022 $406,765 · $1,884,830 · $54,159 · · $2,345,753
2021 $382,096 · · $6,836,887 $109,326 · · $7,328,309

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.