Welcome to our dedicated page for Quantumscape SEC filings (Ticker: QS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
QuantumScape Corporation filings document the company’s solid-state lithium-metal battery business, operating updates, governance, and public-company capital structure. Results-related 8-Ks include shareholder letters and exhibits covering the Eagle Line pilot production platform, the Cobra separator process, QSE-5 cells, customer programs, and the company’s development and licensing model.
Proxy materials describe board composition, director elections, executive compensation, equity awards, and annual meeting governance. Other current reports record board appointments and director compensation arrangements, while listing filings document the voluntary withdrawal of the company’s Class A common stock from the New York Stock Exchange and its Nasdaq listing under the QS ticker.
QuantumScape Corp director Jeffrey B. Straubel sold 27,106 shares of Class A Common Stock in an open-market transaction at a weighted average price of $6.9496 per share. The sale was executed on March 11, 2026 pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on June 13, 2025. Following this transaction, Straubel directly holds 185,510 shares of QuantumScape, which includes 48,192 shares represented by restricted stock units that vest over time, subject to his continued service with the company.
QS filing under Rule 144 reports proposed sales of Common Stock by Kevin Hettrich. The notice lists shares acquired as compensation via restricted stock units on 02/18/2025 totaling 9,800 shares (two grants of 1,591 and 8,209). The filing also reports three sales in the past three months of 9,800 shares each on 12/15/2025, 01/14/2026, and 02/23/2026, with gross proceeds shown as 108,527.16, 103,790.82, and 66,213.70 respectively.
Jeffrey B. Straubel reported proposed sales of Class A Common Stock on Form 144, indicating disposition activity in the past three months. The filing lists multiple reported transactions: 01/05/2026 — 27,106 shares for $305,690.63; 02/19/2026 — 27,106 shares for $192,460.73; and two entries on 12/19/2025 — 130,065 shares for $1,485,251.25 and 27,106 shares for $303,749.84.
The broker listed is Goldman Sachs & Co. LLC and the securities are shown as listed on NYSE. The holdings include shares originally acquired as Restricted Stock Units dated 03/17/2011. This Form 144 notifies the SEC of proposed sales; it does not by itself confirm execution details beyond the reported sale entries.
NIEBERGALL ROSS reported acquisition or exercise transactions in this Form 4 filing.
QuantumScape Corp director Ross Niebergall reported equity awards in the form of restricted stock units (RSUs) tied to Class A Common Stock. On March 4, 2026, he was granted 40,973 RSUs as an initial outside director award and 6,402 RSUs as a pro-rated annual award. Each RSU represents one share, with the initial award vesting quarterly over three years and the pro-rated award vesting in full on the earlier of one year after grant or the day before the next annual stockholder meeting, subject to continued board service.
QuantumScape Corp’s Chief Legal Officer Michael O. McCarthy III reported open-market sales of Class A Common Stock. He sold 30,000 shares on March 4, 2026 at an average price of $6.9048 per share and 45,000 shares on March 6, 2026 at an average price of $6.7302 per share, totaling 75,000 shares sold.
After these transactions, he directly owned 954,219 shares, which includes 862,821 shares represented by RSUs and PSUs that vest over time and upon performance milestones, subject to continued service. He also indirectly held 137,888 shares through a trust for which he is the grantor.
QuantumScape Corp’s Chief Technology Officer Timothy Holme reported a mix of share conversions and sales in QuantumScape stock. On March 5, 2026, he converted 127,077 shares of Class B Common Stock into Class A Common Stock and then sold the same 127,077 Class A shares in open-market transactions at a weighted average price of $6.8646 per share.
An additional 34,254 Class B shares held indirectly through The Holme 2020 Irrevocable Trust were similarly converted into Class A shares and then sold by the trust at the same weighted average price. The filing notes these trades were executed under a pre-established Rule 10b5-1 trading plan adopted on June 5, 2025.
After these transactions, Holme directly held 1,108,182 shares of Class A Common Stock and indirectly held 34,254 Class A shares through the trust. A portion of the direct holdings, totaling 978,348 shares, consists of restricted stock units and performance stock units that vest over time or upon performance milestones.
QuantumScape Corp director Ross Niebergall submitted an initial statement of beneficial ownership on Form 3. This filing formally records his status as a director and establishes a baseline for any future insider transactions that may be reported on later forms.
Morgan Stanley Smith Barney LLC filed a Form 144 notice reporting 45,000 common shares to be sold, tied to restricted stock vesting under a registered plan (vesting date 02/17/2026, filing date 03/06/2026). The excerpt also lists multiple open-market disposals by Michael McCarthy in recent weeks, including 30,000 shares sold on 03/04/2026 and earlier sales in February.
QuantumScape Corporation appointed Ross Niebergall to its Board of Directors, with his term running until the company’s next annual meeting of stockholders. He brings decades of experience in defense-sector research, development, and technology commercialization, including senior roles at L3Harris, Harris Corporation, RTX and Thales-Raytheon Systems.
Under QuantumScape’s Amended and Restated Outside Director Compensation Policy, Dr. Niebergall will receive $80,000 in annual cash compensation for Board service. He was also granted an initial equity award of 40,973 restricted stock units and a pro-rated annual equity award of 6,402 restricted stock units, each subject to time-based vesting tied to continued Board service.
QS — Form 144 notice: proposed sale of common stock. The filing lists 30,000 shares of common stock to be sold by a broker-dealer (Morgan Stanley Smith Barney LLC) in connection with restricted stock vesting under a registered plan on 02/17/2026. The excerpt also records recent sales by Michael McCarthy: $129,648.57 for 18,393 shares on 02/25/2026, $129,883.38 for 18,356 shares on 02/19/2026, and $416,752.97 for 58,332 shares on 02/18/2026.