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QuantumScape Corp (QS) Stock Price, Key Stats & Insider Trading
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QuantumScape Corp (QS) XNAS MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES Net insider selling (90d)
About QuantumScape Corp (QS) QuantumScape Corp is engaged in the development of next-generation solid-state lithium-metal batteries for use in electric vehicles and other applications. The company's solid-state lithium-metal battery technology is designed to offer greater energy density, faster charging, and enhanced safety. Its battery cells have none of the host materials used in conventional nodes. The company operates in one operating segment only.
Headquarters SAN JOSE, CA
Employees 700
Listed 2020
Exchange XNAS https://www.quantumscape.com SEC filings for QS on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 9 402,379 $3.24M Grant or award 7 169,281 Tax withholding / forfeiture 6 239,201
QS Insider Transactions (Form 4) 105 113 Form 4 filings on record, the earliest from Oct 9, 2024, newest first. Filing history page 3 of 3.
Date Insider Transaction Security Shares Price Value Nov 21, 2025 KH Kevin Hettrich - Officer Open-market sale Class A Common Stock 9,559
Recent QS Form 8-K Filings 5
Recent QS Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 19, 2026 Timothy Holme Officer 48,238 $284K View on EDGAR Aug 18, 2026 Holme Timothy Officer
What is the latest insider trade for QS? QuantumScape Corp (QS) had 18 insider filings in the last 90 days, with the most recent on 2026-08-25. The full record for QS runs to 113 Form 4 filings, the earliest from 2024-10-09. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying QS stock? No insider purchases of QS were filed in the last 90 days.
How many insiders are selling QS stock? 9 insider sales of QS were filed in the last 90 days, totaling $3.24M.
Where can I see QS SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks QS Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow QS insider buys? Create a free InsiderAlpha account and press Watch on this page to add QS to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track QS insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free Aug 19, 2026
Market cap $3.45B
P/E ratio -
Dividend yield -
Average volume 23.22M
52 week high $19.07
52 week low $4.77
Today's high $6.08
Today's low $5.57
Open $5.89
Volume 18.76M
Previous close $5.90
Shares outstanding 615.15M Market cap
$3.45B
700 employees
QS Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 9 sales totaling $3.24M.
Most-Active QS Insiders - Last 90 Days 10 Other acquisition / disposition 12 724,868
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Nov 21, 2025 KH Kevin Hettrich - Officer Open-market sale Class A Common Stock 241 $11.65 $3K
Nov 18, 2025 SS Srinivasan Sivaram - Officer Tax withholding / forfeiture Class A Common Stock 3,274 $13.46 $44K
Nov 18, 2025 SS Srinivasan Sivaram - Officer Tax withholding / forfeiture Class A Common Stock 255,403 $13.04 $3.33M
Nov 18, 2025 MS Mohit Singh - Officer Tax withholding / forfeiture Class A Common Stock 1,000 $13.46 $13K
Nov 18, 2025 MS Mohit Singh - Officer Tax withholding / forfeiture Class A Common Stock 78,013 $13.04 $1.02M
Nov 18, 2025 KH Kevin Hettrich - Officer Tax withholding / forfeiture Class A Common Stock 78,424 $13.04 $1.02M
Nov 18, 2025 KH Kevin Hettrich - Officer Tax withholding / forfeiture Class A Common Stock 1,005 $13.46 $14K
Nov 18, 2025 TH Timothy Holme - Officer Tax withholding / forfeiture Class A Common Stock 981 $13.46 $13K
Nov 19, 2025 TH Timothy Holme - Officer Open-market sale Class A Common Stock 201,785 $12.51 $2.52M
Nov 19, 2025 TH Timothy Holme - Officer Open-market sale Class A Common Stock 44,923 $12.51 $562K
Nov 19, 2025 TH Timothy Holme - Officer Other Class B Common Stock 166,441 $0.00 -
Nov 19, 2025 TH Timothy Holme - Officer Other Class B Common Stock 44,923 $0.00 -
Nov 19, 2025 TH Timothy Holme - Officer Other Class A Common Stock 166,441 $0.00 -
Nov 19, 2025 TH Timothy Holme - Officer Other Class A Common Stock 44,923 $0.00 -
Nov 18, 2025 TH Timothy Holme - Officer Tax withholding / forfeiture Class A Common Stock 76,565 $13.04 $999K
Oct 31, 2025 BB Brad W. Buss Option exercise Class A Common Stock 300,000 $6.23 $1.87M
Oct 31, 2025 BB Brad W. Buss Option exercise Stock Option (Right to Buy) 300,000 $0.00 -
Oct 31, 2025 BB Brad W. Buss Open-market sale Class A Common Stock 125,000 $17.37 $2.17M
Oct 31, 2025 BB Brad W. Buss Open-market sale Class A Common Stock 175,000 $18.41 $3.22M
Oct 24, 2025 BB Brad W. Buss Option exercise Class A Common Stock 400,000 $6.23 $2.49M
Oct 24, 2025 BB Brad W. Buss Option exercise Stock Option (Right to Buy) 400,000 $0.00 -
Oct 24, 2025 BB Brad W. Buss Open-market sale Class A Common Stock 200,000 $15.06 $3.01M
Oct 24, 2025 BB Brad W. Buss Open-market sale Class A Common Stock 200,000 $16.44 $3.29M
Oct 27, 2025 SS Srinivasan Sivaram - Officer Open-market sale Class A Common Stock 90,000 $17.05 $1.53M
Oct 24, 2025 SS Srinivasan Sivaram - Officer Open-market sale Class A Common Stock 30,000 $16.61 $498K
Oct 24, 2025 MS Mohit Singh - Officer Option exercise Class A Common Stock 62,975 $2.38 $150K
Oct 24, 2025 MS Mohit Singh - Officer Option exercise Stock Option (Right to Buy) 62,975 $0.00 -
Oct 24, 2025 MS Mohit Singh - Officer Open-market sale Class A Common Stock 220,000 $15.09 $3.32M
Oct 24, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 239,961 $15.47 $3.71M
Oct 24, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 10,039 $15.98 $160K
Oct 24, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 239,951 $15.47 $3.71M
Oct 24, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 10,049 $15.98 $161K
Oct 24, 2025 FP Fritz Prinz Other Class B Common Stock 480,878 $0.00 -
Oct 24, 2025 FP Fritz Prinz Other Class B Common Stock 250,000 $0.00 -
Oct 24, 2025 FP Fritz Prinz Other Class B Common Stock 250,000 $0.00 -
Oct 24, 2025 FP Fritz Prinz Other Class A Common Stock 480,878 - -
Oct 24, 2025 FP Fritz Prinz Other Class A Common Stock 250,000 - -
Oct 24, 2025 FP Fritz Prinz Other Class A Common Stock 250,000 - -
Oct 24, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 18,353 $15.47 $284K
Oct 24, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 769 $15.98 $12K
Oct 24, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 461,558 $15.47 $7.14M
Oct 24, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 19,320 $15.98 $309K
Oct 3, 2025 TH Timothy Holme - Officer Other Class A Common Stock 108,655 - -
Oct 3, 2025 TH Timothy Holme - Officer Open-market sale Class A Common Stock 166,442 $15.52 $2.58M
Oct 3, 2025 TH Timothy Holme - Officer Other Class A Common Stock 44,923 - -
Oct 3, 2025 TH Timothy Holme - Officer Open-market sale Class A Common Stock 44,923 $15.52 $697K
Oct 3, 2025 TH Timothy Holme - Officer Other Class B Common Stock 108,655 $0.00 -
Oct 3, 2025 TH Timothy Holme - Officer Other Class B Common Stock 44,923 $0.00 -
Oct 1, 2025 KH Kevin Hettrich - Officer Open-market sale Class A Common Stock 9,800 $13.94 $137K
Sep 12, 2025 KH Kevin Hettrich - Officer Open-market sale Class A Common Stock 9,800 $9.20 $90K
Sep 4, 2025 TH Timothy Holme - Officer Open-market sale Class A Common Stock 176,352 $7.55 $1.33M
Sep 4, 2025 TH Timothy Holme - Officer Other Class A Common Stock 38,561 - -
Sep 4, 2025 TH Timothy Holme - Officer Open-market sale Class A Common Stock 38,561 $7.55 $291K
Sep 8, 2025 TH Timothy Holme - Officer Open-market sale Class A Common Stock 23,244 $9.63 $224K
Sep 8, 2025 TH Timothy Holme - Officer Other Class A Common Stock 6,362 - -
Sep 8, 2025 TH Timothy Holme - Officer Open-market sale Class A Common Stock 6,362 $9.63 $61K
Sep 4, 2025 TH Timothy Holme - Officer Other Class B Common Stock 38,561 $0.00 -
Sep 8, 2025 TH Timothy Holme - Officer Other Class B Common Stock 6,362 $0.00 -
Aug 18, 2025 SS Srinivasan Sivaram - Officer Tax withholding / forfeiture Class A Common Stock 84,524 $8.70 $736K
Aug 18, 2025 TH Timothy Holme - Officer Tax withholding / forfeiture Class A Common Stock 40,272 $8.70 $350K
Aug 18, 2025 MS Mohit Singh - Officer Tax withholding / forfeiture Class A Common Stock 41,034 $8.70 $357K
Aug 19, 2025 MS Mohit Singh - Officer Open-market sale Class A Common Stock 23,598 $8.65 $204K
Aug 18, 2025 KH Kevin Hettrich - Officer Tax withholding / forfeiture Class A Common Stock 39,521 $8.70 $344K
Jul 25, 2025 FP Fritz Prinz Other Class A Common Stock 260,739 - -
Jul 25, 2025 FP Fritz Prinz Other Class A Common Stock 118,636 - -
Jul 25, 2025 FP Fritz Prinz Other Class A Common Stock 118,636 - -
Jul 25, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 529,813 $11.62 $6.16M
Jul 25, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 200,000 $11.62 $2.32M
Jul 25, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 200,000 $11.62 $2.32M
Jul 25, 2025 FP Fritz Prinz Open-market sale Class A Common Stock 70,187 $11.62 $815K
Jul 25, 2025 FP Fritz Prinz Other Class B Common Stock 260,739 $0.00 -
Jul 25, 2025 FP Fritz Prinz Other Class B Common Stock 118,636 $0.00 -
Jul 25, 2025 FP Fritz Prinz Other Class B Common Stock 118,636 $0.00 -
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