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QS QuantumScape Corp Insider Trading

Latest: CTO Sold $1.8M of Shares · Jun 2026

Multiple insiders have been active at QuantumScape Corp (QS): 9 distinct insiders account for 0 buy filings and 42 sell filings as of Jul 2026. Its highest-significance filing in the last 90 days: CTO Timothy Holme sold $1.8M, transaction dated Jun 2026.

42 filings analyzed · Latest 2026-07-07

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Buys
0
Sells
42
Insiders
9
Direction
Net selling

QuantumScape Corp leadership

CEO
Siva Sivaram — Chief Executive Officer
CFO
Kevin Hettrich — Chief Financial Officer
COO
Dr. Luca Fasoli — Chief Operating Officer
General Counsel
Michael McCarthy — Chief Legal Officer and Head of Corporate Development
Chair
Dennis Segers — Chairman of the Board

Historically, stocks have lagged the S&P 500 by a median ~3% over the 90 days after a medium insider sell (n ≈ 4,738, 2024-2026). Past results don't predict the future. How we measure this ↗

July 2026
2026-07-07 10b5-1 Plan
medium
CHIEF TECHNOLOGY OFFICER
137,245 shares
$999,566
@ $7.28
Significance 6

CTO Timothy Holme sells 137,245 shares for $999,565.61 at QuantumScape; stock down -64.4% from 52-week high

Timothy Holme, Chief Technology Officer, executed 2 separate sales totaling 137,245 shares for $999,565.61 on 2026-07-02 via a pre-arranged 10b5-1 trading plan adopted on 2025-06-05. The sales occurred at $7.28 per share against a current price of $6.79, with the stock trading -64.4% from its 52-week high of $19.07. While Holme's non-derivative holdings fell to zero post-transaction, he retains 7,006,547 Class B Common Stock shares and 1,246,611 Class B Common Stock shares via The Holme 2020 Irrevocable Trust, meaning this is a scheduled vest-and-sell of a specific batch rather than a portfolio exit. The company reported negative net income of -$100,799,000.00 over its most recent full fiscal year. His prior sales at this same ticker show mixed outcomes: 30-day returns of -23.9%, -23.9%, -2.3%, -2.3%, and +7.2% across 5 prior trades, with his cross-ticker track record averaging -5.6% over 30 days and -11.2% over 90 days across 20 prior sells.

June 2026
2026-06-04 10b5-1 Plan
medium
CHIEF TECHNOLOGY OFFICER
190,935 shares
$1,774,898
@ $9.30
Significance 6

CTO Timothy Holme sold 190,935 shares at $9.30 via scheduled 10b5-1 plan at unprofitable QuantumScape

Timothy Holme, CTO of QuantumScape, executed 2 separate sales totaling 190,935 shares for $1,774,897.64 on 2026-06-02 at $9.30 per share—a scheduled transaction under a 10b5-1 trading plan adopted on 2025-06-05, meaning the timing was predetermined and not discretionary. His non-derivative holdings were reduced to zero, though he retains 8,390,403 shares in derivative form (7,109,538 direct Class B and 1,280,865 via The Holme 2020 Irrevocable Trust). The stock has recovered +35.7% over the prior 90 days and now trades at $9.08, up +25.1% in the last 30 days; however, his cross-ticker track record shows an average 90-day return of -3.8% following his 20 prior sales. Notably, QuantumScape reported net income of $-100,799,000.00 for its most recent full fiscal year, indicating continued unprofitability despite the recent stock strength.

May 2026
2026-05-22 10b5-1 Plan
medium
CHIEF TECHNOLOGY OFFICER
118,417 shares
$974,861
@ $8.23
Significance 5

CTO Timothy Holme sells entire 118.4K share stake at QS for $974.9K in 10b5-1 plan transaction

Timothy Holme, Chief Technology Officer of QuantumScape, executed two separate sales totaling 118,417 shares for $974,861.20, reducing his holdings from 118,417 shares to zero. The transaction was executed at an average price of $8.23, which sits -57.0% from the 52-week high of $19.07. This sale occurred under a pre-arranged 10b5-1 trading plan adopted on 2025-06-05, meaning it was scheduled and automatic rather than a discretionary market decision. The company's fundamentals show full-year net income of -$100,799,000, indicating continued unprofitability. Notably, Holme's prior sells at QuantumScape show mixed post-trade performance, with 90-day returns ranging from +4.8% to +18.2%, though his cross-ticker average 90-day return after prior sales is +2.4%.

2026-05-20 10b5-1 Plan
medium
CHIEF TECHNOLOGY OFFICER
184,437 shares
$1,383,687
@ $7.50
Significance 6

QS CTO Holme Timothy fully exits 184.4K shares in 2 sales for $1.4M via 10b5-1 plan (scheduled)

Timothy Holme, Chief Technology Officer of QuantumScape, executed 2 separate sales totaling 184,437 shares for $1,383,686.68 at $7.50 per share on 2026-05-20, liquidating his entire position (from 184.4K shares pre-transaction to 0 shares post-transaction). This transaction is part of a pre-arranged 10b5-1 trading plan adopted on 2025-06-05, meaning execution was scheduled rather than discretionary. The stock currently trades at $7.67, only 6.8% higher than the sale price over 30 days and 7.0% higher over 90 days, placing it 59.8% below its 52-week high of $19.07. The company posted a full-year net loss of $100,799,000.00 against a market capitalization of $732,101,085.82, indicating material unprofitability. The complete exit by a senior technical executive, even under a pre-arranged schedule, occurs against a backdrop of significant losses and a stock trading well below recent peaks.

April 2026
2026-04-03 10b5-1 Plan
medium
CHIEF TECHNOLOGY OFFICER
161,331 shares
$996,622
@ $6.18
Significance 6

QuantumScape CTO Holme Timothy sold 161,331 shares for $996,622.26 via pre-arranged 10b5-1 plan

Holme Timothy, Chief Technology Officer of QuantumScape Corp (QS), executed 2 separate sales totaling 161,331 shares for $996,622.26 at a blended average price of $6.18 on 2026-04-02. The transaction was conducted under a pre-arranged 10b5-1 trading plan adopted on 2025-06-05, making it scheduled rather than discretionary. The filing flags derivative securities holdings in Table II that are not yet populated in the database, indicating the insider retains positions beyond the non-derivative shares liquidated here. Investors should note that the $996.6K in proceeds from this sale represents a programmatic reduction of a specific equity tranche, not a broader portfolio repositioning by a key technical officer.

March 2026
2026-03-06
high
CHIEF LEGAL OFFICER
75,000 shares
$510,003
@ $6.80
Significance 8

QS CLO Michael McCarthy sold 75,000 shares in 2 separate sales at $6.80–$6.90 for $510.0K; stock down -63.7% from 52-week high and -46.7% in 90 days post-sale.

Michael McCarthy, Chief Legal Officer at QuantumScape (QS), executed 2 separate sales totaling 75,000 shares for $510,003.00 at an average price of $6.80. His prior sales at QS show a consistent pattern of well-timed exits: 4 of 5 recent prior trades at this ticker were well-timed at the 90-day mark, with the most recent sales in late November declining -5.2% and -3.6% in the 30 days that followed. QuantumScape is unprofitable with a net income of $-105,824,000.00 over the most recent full fiscal year, and the stock has deteriorated substantially since these sales—down -46.7% in 90 days and -63.7% from its 52-week high of $18.44. The insider's demonstrated accuracy in exiting QS prior to decline, combined with the company's fundamental losses and the subsequent sharp price deterioration, suggests these sales preceded a period of material underperformance.

2026-03-06 10b5-1 Plan
medium
CHIEF TECHNOLOGY OFFICER
161,331 shares
$1,107,473
@ $6.86
Significance 6

CTO Holme Timothy sold 161,331 shares at $6.86 for $1.1M under pre-arranged 10b5-1 plan

Holme Timothy, Chief Technology Officer of QuantumScape Corp, executed 2 separate sales totaling 161,331 shares for $1,107,472.78 at $6.86 per share on 2026-03-05 under a pre-arranged 10b5-1 trading plan adopted on 2025-06-05. Because this transaction is governed by a scheduled plan rather than discretionary timing, the sales reflect a pre-determined liquidity program established months in advance. The insider held 161,331 shares pre-transaction in non-derivative form (Table I), with derivative holdings in Table II not yet populated in the database; the Form 4 indicator of derivative conversion suggests the insider's total position extends beyond the Table I shares affected by this sale. As a scheduled, non-discretionary transaction under a pre-approved plan, this sale should be evaluated as a planned capital event rather than a signal of discretionary conviction or concern.

February 2026
2026-02-20 10b5-1 Plan
medium
CHIEF TECHNOLOGY OFFICER
195,451 shares
$1,383,384
@ $7.08
Significance 5

QuantumScape CTO Timothy Holme sold 195,451 shares for $1,383,384.11 under 10b5-1 plan adopted 2025-06-05

Timothy Holme, Chief Technology Officer of QuantumScape, executed 3 separate sales totaling 195,451 shares for $1,383,384.11 at an average price of $7.08 on February 19–20, 2026. These sales were part of a pre-arranged 10b5-1 trading plan adopted on 2025-06-05, making them scheduled transactions rather than discretionary trades. Post-transaction, Holme holds 1,088,228 shares, representing a 15.2% reduction from his prior position of 1,283,679 shares. The scheduled nature of this plan limits inference about the insider's current market view, as the execution reflects pre-committed scheduling rather than real-time decision-making.

January 2026
2026-01-07 10b5-1 Plan
low
CHIEF TECHNOLOGY OFFICER
211,362 shares
$2,383,745
@ $11.28
Significance 4

QS CTO Holme Timothy sold 211,362 shares for $2,383,745.13 under pre-arranged 10b5-1 plan.

Chief Technology Officer Timothy Holme executed 2 separate sales totaling 211,362 shares at $11.28 on 2026-01-05, realizing $2,383,745.13. The transaction was conducted under a 10b5-1 trading plan adopted on 2025-06-05, meaning the sales were scheduled in advance and not discretionary. Following the sales, Holme's Form 4 Table I holdings show 0 shares, though Form 4 Table II (derivative securities) is not yet populated in our database and may contain additional positions. Given the pre-arranged nature of the plan, this trade cannot be characterized by timing or conviction signals; it represents execution of a previously established schedule. Investors should note that the filing involves a derivative conversion, and the headline Form 4 Table I shares_after figure does not necessarily represent the insider's complete holdings.

December 2025
2025-12-22 10b5-1 Plan
medium
157,171 shares
$1,788,999
@ $11.38
Significance 5

Director Jeffrey B Straubel sold 157,171 shares of QS at $11.38 (total $1.8M) under 10b5-1 plan

Straubel, a director at QuantumScape, executed a sale of 157,171 shares at $11.38 on 2025-12-19 under a pre-arranged 10b5-1 trading plan adopted on 2025-06-13. This transaction reduced his holdings from 423,999 shares to 266,828 shares, representing a 37.1% reduction in his position. Since the trade was scheduled under a 10b5-1 plan rather than discretionary, the timing reflects a pre-planned execution schedule established months earlier, not a response to current market conditions.

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