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.
This page provides access to QuantumScape Corporation (QS) SEC filings, offering a detailed view of how the company reports its progress in solid-state lithium-metal battery technology, partnerships, and corporate actions. Through current reports on Form 8-K and other filings, QuantumScape discloses material events such as collaboration agreements, lease changes, quarterly results, and stock exchange listing decisions.
For investors tracking operational and commercial milestones, 8-K filings describe key agreements with partners like PowerCo, a battery cell company wholly owned by the Volkswagen Group, including an Amended and Restated Collaboration Agreement for industrializing QSE-5 solid-state battery technology. Other 8-Ks outline lease terminations and subleases that the company characterizes as aligning its operational footprint with a technology licensing focus.
Filings also cover financial reporting, with 8-Ks announcing quarterly business and financial results and furnishing shareholder letters and press releases as exhibits. These documents provide context on spending, development priorities, and progress against stated goals, complementing the company’s earnings-related press releases.
Capital markets and listing matters appear in filings such as the December 10, 2025 Form 8-K, which details QuantumScape’s intention to voluntarily withdraw its Class A Common Stock from the New York Stock Exchange and transfer the listing to The Nasdaq Stock Market LLC, and the Form 25 filed on December 22, 2025 to effect the voluntary removal from NYSE listing and registration. Together, these filings document the regulatory steps behind the exchange transfer while confirming that the QS ticker symbol will continue on Nasdaq.
On Stock Titan, SEC filings for QS are paired with AI-powered summaries that highlight the main points of lengthy documents, explain technical language in plain terms, and surface items such as collaboration terms, technology licensing provisions, and listing changes. Users can quickly scan 8-Ks, 10-Ks, 10-Qs, and other forms to understand how QuantumScape’s strategy, partnerships, and reporting obligations are reflected in its official disclosures.
Michael McCarthy filed a Form 144 indicating an intention to sell up to 20,435 shares of QuantumScape (QS) common stock. The filing lists an aggregate market value of $329,440.81 and an approximate sale date of 11/07/2025. The named broker is Morgan Stanley Smith Barney LLC Executive Financial Services, with sales expected on the NYSE.
The securities to be sold were acquired on 04/21/2021 via previously exercised options. Recent activity disclosed in the notice shows prior sales in the past three months, including 50,000 shares on 10/30/2025 for $788,985.00 and 46,264 shares on 10/24/2025 for $706,042.29. Form 144 is a notice by an affiliate about proposed sales of restricted or control securities.
QuantumScape (QS) filed a Form 144 notice for the proposed sale of 157,171 shares of Class A common stock. The filing lists an aggregate market value of $2,682,908.97, an approximate sale date of 11/05/2025, and Goldman Sachs & Co. LLC as the broker. The shares are listed on the NYSE.
The form notes prior acquisitions of these securities from the issuer as compensation, including 130,065 shares via stock options on 12/11/2019 and restricted stock units on 11/25/2020 (7 shares), 06/07/2024 (25,236 shares), and 03/17/2011 (1,863 shares). The filing also lists recent sales over the past three months, including 130,065 shares sold on 10/01/2025 for $1,850,070.57 and 130,067 shares sold on 09/12/2025 for $1,206,202.34. Shares outstanding are 562,404,592.
QuantumScape (QS) director reported an option exercise and share sales. On 10/31/2025, the insider exercised stock options for 300,000 shares at an exercise price of $6.2336 per share (code M), then sold 125,000 shares at a weighted average price of $17.3665 and 175,000 shares at a weighted average price of $18.4101 (both code S).
Following these transactions, the insider directly owned 122,476 shares, which includes 48,192 RSUs subject to vesting. Indirect holdings reported were 249,720 shares by the 2011 Buss Family Trust and 70,000 shares by the Buss Family Heritage Trust. The insider also reported 707,612 derivative securities (stock options) remaining beneficially owned.
Prices marked as weighted averages reflect multiple trades within disclosed ranges; detailed breakdowns are available upon request.
QuantumScape (QS) insider transaction: The company’s Chief Legal Officer reported an option exercise and related sale on 10/30/2025. He exercised stock options for 50,000 Class A shares at $2.377 per share (code M) and sold 50,000 shares at a weighted average price of $15.7797 (code S).
The sale price reflects multiple trades between $15.77 and $15.795. Following these transactions, he reported beneficial ownership of 1,376,118 Class A shares, held directly. This total includes 1,217,795 shares represented by RSUs and PSUs, which settle one share per unit subject to quarterly vesting or performance milestones. After the exercise, 25,000 stock options remain beneficially owned, with an expiration date of 06/05/2029.
QuantumScape (QS): Proposed insider sale under Rule 144. A shareholder filed a Form 144 notice to sell up to 300,000 shares of common stock. The filing lists an aggregate market value of $5,392,580 and an approximate sale date of 10/31/2025 on the NYSE, with Morgan Stanley Smith Barney LLC as broker.
The shares to be sold were acquired on 10/31/2025 through the exercise of options under a registered plan for cash, in the same 300,000-share amount. Shares outstanding are 522,939,205. As context, during the past three months, Brad Buss sold 400,000 shares on 10/24/2025 for gross proceeds of $6,299,270.
QuantumScape (QS) filed a Form 144 notice for a proposed sale of common stock. The filing lists a plan to sell 50,000 shares with an aggregate market value of $788,985 through Morgan Stanley Smith Barney LLC, with an approximate sale date of 10/30/2025 on the NYSE. The shares were acquired the same day via the exercise of options under a registered plan for cash.
The notice also records recent activity: sales of 46,264 shares on 10/24/2025 for $706,042.29 and 38,035 shares on 09/12/2025 for $347,267.16 by Michael McCarthy. Form 144 is a notice of intent and not a commitment to sell, and actual sales depend on market conditions and applicable volume and timing limits.
QuantumScape (QS) disclosed insider activity by its Chief Legal Officer. On 10/24/2025, the officer exercised 25,000 stock options at an exercise price of $2.377 (transaction code M), acquiring the same number of Class A shares. On the same date, the officer sold 46,264 shares at a weighted average price of $15.2611 (transaction code S), with individual trades ranging from $15.23 to $15.315.
Following these transactions, the officer beneficially owns 1,376,118 shares directly. This figure includes 1,217,795 shares represented by RSUs and PSUs, which vest over time or upon performance milestones. The derivative table notes a remaining 75,000 stock options held after the exercise, from an option grant originally exercisable since 07/05/2019 and expiring on 06/05/2029.
QuantumScape (QS) reported an insider transaction by its Chief Development Officer. On 10/24/2025, the reporting person exercised stock options for 62,975 shares at $2.377 per share (Code M), then sold 220,000 shares of Class A Common Stock at a weighted average price of $15.0857 (Code S), with trades ranging from $14.94 to $15.345.
Following these transactions, the reporting person beneficially owns 1,420,054 shares directly, which includes 1,364,273 RSUs/PSUs. Each RSU/PSU represents the right to receive one share; RSUs vest quarterly and PSUs vest upon performance milestones.
QuantumScape (QS) filed a Form 4 reporting insider activity. On 10/24/2025, a director exercised stock options for 400,000 shares at $6.2336 (code M), then sold 200,000 shares at a weighted average price of $15.0599 (range $14.965–$15.145) and 200,000 shares at a weighted average price of $16.4365 (range $16.145–$16.79) (code S).
Following these transactions, the director directly owned 122,476 Class A shares, which include 48,192 RSUs that settle into one share each upon vesting. Indirect holdings were reported as 249,720 shares by the 2011 Buss Family Trust and 70,000 shares by the Buss Family Heritage Trust dated December 24, 2020. The director also reported 1,007,612 derivative securities (stock options) beneficially owned after the transactions.
QuantumScape (QS) insider activity: The company’s Chief Executive Officer and Director reported open-market sales of Class A common stock. On 10/24/2025, 30,000 shares were sold at $16.6102. On 10/27/2025, 90,000 shares were sold at a weighted average price of $17.0529, with trades ranging from $17.05 to $17.10. Following these transactions, directly held shares were 4,132,700, which includes 3,802,429 shares represented by RSUs and PSUs that vest over time subject to service and performance conditions. Indirect holdings were 360,000 shares held by trusts for which the reporting person serves as co-trustee.