Skip to content
Home / Companies / QS QS
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) 58 113 Form 4 filings on record, the earliest from Oct 9, 2024, newest first. Filing history page 1 of 3.
Date Insider Transaction Security Shares Price Value Aug 21, 2026 TH Timothy Holme - Officer Other Class A Common Stock
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.
Aug 21, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 12,723 $6.01 $77K
Aug 21, 2026 TH Timothy Holme - Officer Other Class B Common Stock 12,723 $0.00 -
Aug 18, 2026 TH Timothy Holme - Officer Tax withholding / forfeiture Class A Common Stock 34,086 $5.74 $196K
Aug 19, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 20,345 $5.76 $117K
Aug 19, 2026 TH Timothy Holme - Officer Other Class A Common Stock 21,531 $0.00 -
Aug 19, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 21,531 $5.76 $124K
Aug 19, 2026 TH Timothy Holme - Officer Other Class B Common Stock 21,531 $0.00 -
Aug 18, 2026 MS Mohit Singh - Officer Tax withholding / forfeiture Class A Common Stock 34,304 $5.74 $197K
Aug 18, 2026 KH Kevin Hettrich - Officer Tax withholding / forfeiture Class A Common Stock 31,095 $5.74 $179K
Aug 18, 2026 SS Srinivasan Sivaram - Officer Tax withholding / forfeiture Class A Common Stock 81,752 $5.74 $470K
Aug 18, 2026 LF Luca Giovanni Fasoli - Officer Tax withholding / forfeiture Class A Common Stock 32,255 $5.74 $185K
Jul 2, 2026 TH Timothy Holme - Officer Other Class A Common Stock 102,991 $0.00 -
Jul 2, 2026 TH Timothy Holme - Officer Other Class A Common Stock 34,254 $0.00 -
Jul 2, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 102,991 $7.28 $750K
Jul 2, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 34,254 $7.28 $249K
Jul 2, 2026 TH Timothy Holme - Officer Other Class B Common Stock 102,991 $0.00 -
Jul 2, 2026 TH Timothy Holme - Officer Other Class B Common Stock 34,254 $0.00 -
Jul 2, 2026 KH Kevin Hettrich - Officer Open-market sale Class A Common Stock 9,800 $7.28 $71K
Jun 22, 2026 KH Kevin Hettrich - Officer Open-market sale Class A Common Stock 9,800 $7.94 $78K
Jun 3, 2026 DS Dennis Segers Grant or award Class A Common Stock 24,183 $0.00 -
Jun 3, 2026 GL Gena C. Lovett Grant or award Class A Common Stock 24,183 $0.00 -
Jun 3, 2026 BB Brad W. Buss Grant or award Class A Common Stock 24,183 $0.00 -
Jun 2, 2026 TH Timothy Holme - Officer Other Class A Common Stock 150,320 $0.00 -
Jun 2, 2026 TH Timothy Holme - Officer Other Class A Common Stock 40,615 $0.00 -
Jun 2, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 150,320 $9.30 $1.40M
Jun 2, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 40,615 $9.30 $378K
Jun 2, 2026 TH Timothy Holme - Officer Other Class B Common Stock 150,320 $0.00 -
Jun 2, 2026 TH Timothy Holme - Officer Other Class B Common Stock 40,615 $0.00 -
May 21, 2026 KH Kevin Hettrich - Officer Open-market sale Class A Common Stock 9,800 $8.06 $79K
May 21, 2026 TH Timothy Holme - Officer Other Class A Common Stock 92,972 $0.00 -
May 21, 2026 TH Timothy Holme - Officer Other Class A Common Stock 25,445 $0.00 -
May 21, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 92,972 $8.23 $765K
May 21, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 25,445 $8.23 $209K
May 21, 2026 TH Timothy Holme - Officer Other Class B Common Stock 92,972 $0.00 -
May 21, 2026 TH Timothy Holme - Officer Other Class B Common Stock 25,445 $0.00 -
May 20, 2026 TH Timothy Holme - Officer Other Class A Common Stock 127,077 $0.00 -
May 20, 2026 TH Timothy Holme - Officer Other Class A Common Stock 34,254 $0.00 -
May 18, 2026 TH Timothy Holme - Officer Tax withholding / forfeiture Class A Common Stock 31,322 $7.37 $231K
May 20, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 150,183 $7.50 $1.13M
May 20, 2026 TH Timothy Holme - Officer Open-market sale Class A Common Stock 34,254 $7.50 $257K
May 20, 2026 TH Timothy Holme - Officer Other Class B Common Stock 127,077 $0.00 -
May 20, 2026 TH Timothy Holme - Officer Other Class B Common Stock 34,254 $0.00 -
May 18, 2026 LF Luca Giovanni Fasoli - Officer Tax withholding / forfeiture Class A Common Stock 108,065 $7.37 $797K
May 18, 2026 SS Srinivasan Sivaram - Officer Tax withholding / forfeiture Class A Common Stock 67,369 $7.37 $497K
May 18, 2026 MS Mohit Singh - Officer Tax withholding / forfeiture Class A Common Stock 31,913 $7.32 $234K
May 18, 2026 KH Kevin Hettrich - Officer Tax withholding / forfeiture Class A Common Stock 30,535 $7.37 $225K
May 6, 2026 MS Mohit Singh - Officer Open-market sale Class A Common Stock 50,000 $7.87 $394K
Apr 14, 2026 KH Kevin Hettrich - Officer Grant or award Class A Common Stock 430,266 $0.00 -
Apr 14, 2026 KH Kevin Hettrich - Officer Grant or award Class A Common Stock 86,053 $0.00 -
$RBA
RB GLOBAL INC.
$ENR
ENERGIZER HOLDINGS, INC.
Timothy Holme - OfficerOpen-market sale$77K
