QuantumScape Corporation reported a third-quarter net loss of $84.477 million, compared with $105.824 million a year earlier; its nine-month net loss was $283.516 million versus $334.945 million. It has not generated revenue from its principal business and expects significant expenses and continuing losses for the foreseeable future.
As of September 30, 2026, cash, cash equivalents and marketable securities totaled approximately $819.8 million. Operating cash used in the first nine months was $171.319 million, compared with $186.323 million in 2025. The San Jose pilot line began initial ramp-up in February 2026; QuantumScape targets initial QSE-5 production from the line upon ramp-up.
QuantumScape received $18.5 million from PowerCo in the quarter and $28.9 million in the first nine months, recorded as capital contributions, with no shares issued. An October 2026 amendment removed $7.0 million in transition payments due from PowerCo, reducing the maximum amount QuantumScape can receive under the current agreement. PowerCo will not make milestone payments during negotiations over revised scope and payments.
QuantumScape Corp (QS) reported a third-quarter 2026 net loss of $84.477 million, compared with $105.824 million a year earlier; operating expenses were $92.424 million versus $114.993 million. Net cash used in operating activities was $55.060 million, compared with $63.734 million. Adjusted EBITDA loss was $60.707 million, versus $61.427 million. For full-year 2026, the company reiterated Adjusted EBITDA loss guidance of $250 million to $275 million and capital expenditure guidance of $27 million to $37 million.
QuantumScape announced an ecosystem partnership with Muehlbauer Group for a planned 100-MWh cell production line, with production targeted for 2028. In testing, the QS PowerBlock, an in-rack energy storage reference design for AI data centers, demonstrated 4x the power density and 5x longer runtime than the Open Compute Project reference specification. The company reported first Q3 customer billings from its Honda agreement and first QSAS customer billings, and said it shipped QSE-5 samples to defense, aviation and telecommunications customers.
QuantumScape Corp. Chief Technology Officer Timothy Holme reported converting 59,186 Class B shares into Class A shares on October 5, 2026: 14,186 directly, 22,500 through The Holme 2020 Irrevocable Trust and 22,500 through trusts. He and the trusts also sold 120,000 Class A shares at a weighted average price of $4.5401 per share, with individual sale prices ranging from $4.465 to $4.635. The sales were made under a Rule 10b5-1 trading plan adopted June 10, 2026.
QuantumScape Corp (QS) reported that Chief Technology Officer Timothy Holme and related trusts converted a total of 45,000 shares of Class B Common Stock into Class A Common Stock and sold 120,000 shares of Class A on September 15, 2026 at a weighted average price of $5.0877 per share. The filing states these transactions were effected under a Rule 10b5-1 trading plan adopted on June 10, 2026. Following the transactions, Holme held 1,583,075 shares of Class A Common Stock directly, including 1,522,261 shares represented by RSUs and PSUs, with additional indirect holdings through family trusts.
QuantumScape Corporation (QS) received a notice that officer Timothy Holme, together with several related trusts, plans to sell up to 240,000 shares of Class A common stock under Rule 144. The shares are to be sold through Goldman Sachs & Co. LLC pursuant to a Rule 10b5-1(c) selling plan dated June 10, 2026.
The filing allocates 150,000 shares to sales by Timothy Holme and a total of 90,000 shares to four Holme family irrevocable trusts. The intended sales relate in part to Class B common shares originally acquired from the issuer in a private transaction that will convert into Class A common shares in connection with any sales.
QuantumScape Corp (QS) reported insider activity by Chief Technology Officer Timothy Holme, whose indirect holdings are through The Holme 2020 Irrevocable Trust. On 2026-08-21, the trust converted 12,723 shares of Class B Common Stock into 12,723 shares of Class A Common Stock on a one-to-one basis, then sold those 12,723 Class A shares at a weighted average price of $6.014 per share. The sale was effected under a Rule 10b5-1 trading plan adopted on June 5, 2025. After the conversion, the trust held 1,212,357 shares of Class B Common Stock indirectly.
QuantumScape Corp (QS) reported insider activity by Chief Technology Officer Timothy Holme. On 2026-08-19, a trust associated with him converted 21,531 shares of Class B into Class A stock and sold 21,531 Class A shares, while he directly sold an additional 20,345 Class A shares. On 2026-08-18, 34,086 Class A shares were withheld or delivered to cover tax obligations on RSU vesting. The sales were effected under a Rule 10b5-1 trading plan adopted on June 5, 2025, and he continues to hold a significant position, including 1,522,261 RSUs/PSUs representing rights to Class A shares.
QuantumScape Corp (QS) insider Michael O. McCarthy III, Chief Legal Officer, reported a Code F disposition of 25,709 shares of Class A Common Stock on August 18, 2026, as a sale to cover tax obligations on the release of restricted stock units. The weighted average sale price was $5.7445 per share, with individual trades between $5.66 and $5.93. After this transaction, he holds 1,527,774 shares directly, including 331 shares acquired under the Employee Stock Purchase Plan and 1,380,083 shares represented by RSUs and PSUs, plus 137,888 shares held indirectly by a trust for which he is the grantor.
QuantumScape Corp (QS) reported that Chief Development Officer Mohit Singh had 34,304 shares of Class A Common Stock withheld on 2026-08-18 to cover tax obligations upon the release of restricted stock units. The weighted average price was $5.7445 per share. After this tax-withholding disposition, Singh directly holds 1,737,150 shares, including 332 shares acquired under the Employee Stock Purchase Plan and 1,487,395 shares represented by RSUs and performance RSUs that vest over time or upon performance milestones.
QuantumScape Corp (QS) reported an insider transaction by Chief Financial Officer Kevin Hettrich. On 2026-08-18, he disposed of 31,095 shares of Class A Common Stock at a weighted average price of $5.7445 per share to cover tax obligations on the release of RSUs. The shares were transacted in a price range of $5.66 to $5.93. Following this tax-withholding disposition, he directly holds 1,785,162 shares, including 1,301,327 shares represented by RSUs and PSUs that vest over time based on continued service and performance milestones.