SLDP
Solid Power, Inc.$3.46-0.12 (-3.22%)Prev Close$3.57·MCap$677.7M·P/E—·Vol3.80M·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
11
$819.2K
◆
Net Activity
Net Seller
$819.2K
●
Active Insiders
5
last 12 mo
Over the past 12 months, insider activity at Solid Power, Inc. (SLDP) has been exclusively selling, with 0 insider purchases totaling $0.00 and 11 insider sales totaling $819.2K. The most recent insider transaction was by Buettner-Garrett Joshua (Chief Technology Officer), who sold $61.1K worth of shares on Dec 31, 2025. Solid Power, Inc. operates in the Industrials sector, within the Electrical Equipment & Parts industry, with a market cap of $677.7M.
SLDP Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,284 | $4.28 | $61.1K | 0 |
| Dec 31, 2025 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 26,605 | $4.28 | $113.9K | 0 |
| Dec 4, 2025 | ANDERSON ERIK J | Director | Sell | 30,000 | $5.20 | $156.1K | 0 |
| Sep 30, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,284 | $3.52 | $50.3K | 0 |
| Sep 30, 2025 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 26,605 | $3.52 | $93.6K | 0 |
| Sep 30, 2025 | Van Scoter John C. | President & CEO | Sell | 42,842 | $3.52 | $150.8K | 0 |
| Jun 30, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,285 | $2.15 | $30.7K | 0 |
| Jun 30, 2025 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 25,950 | $2.15 | $55.8K | 0 |
| Jun 30, 2025 | Van Scoter John C. | President & CEO | Sell | 42,841 | $2.15 | $92.1K | 0 |
| May 12, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 5,520 | $1.30 | $7.2K | 0 |
| May 12, 2025 | Liebscher James | Chief Legal Officer & Sec | Sell | 5,865 | $1.30 | $7.6K | 0 |
| Mar 31, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,285 | $1.08 | $15.4K | 0 |
| Mar 31, 2025 | Liebscher James | Chief Legal Officer & Sec | Sell | 18,179 | $1.08 | $19.6K | 0 |
| Mar 31, 2025 | Van Scoter John C. | President & CEO | Sell | 42,841 | $1.08 | $46.3K | 0 |
| Mar 7, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.13 | $211.6K | 865,304 |
| Sep 11, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.21 | $227.3K | 874,136 |
| Aug 30, 2024 | Goldberg Steven H | Director | Sell | 59,197 | $1.45 | $85.8K | 82,365-42% |
| Aug 20, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.42 | $267.1K | 683,057 |
| Aug 13, 2024 | Roe Lesa B | Director | Sell | 27,900 | $1.35 | $37.7K | 149,241 |
| Jul 10, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.66 | $312.1K | 683,057 |
| Jun 17, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.66 | $311.2K | 687,473 |
| May 22, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.68 | $315.1K | 687,473 |
| Apr 4, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.86 | $348.9K | 692,993 |
| Mar 19, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.36 | $254.7K | 336,539-36% |
| Feb 8, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.58 | $296.1K | 356,433-34% |
| Jan 12, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.29 | $242.1K | 356,433-34% |
| Dec 6, 2023 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.47 | $276.1K | 206,433-48% |
| Nov 20, 2023 | Goldberg Steven H | Director | Sell | 15,700 | $1.49 | $23.4K | 59,197 |
| May 26, 2023 | ANDERSON ERIK J | Director | Sell | 1,901 | $2.10 | $4.0K | 693,900 |
| Mar 14, 2023 | STEPHENS JOHN JOSEPH | Director | Buy | 214,500 | $2.92 | $626.1K | 300,005+251% |
| Aug 31, 2022 | Campbell Douglas M | Chief Executive Officer | Sell | 570,000 | $6.63 | $3.78M | 10,070,214 |
| Aug 31, 2022 | STEPHENS JOHN JOSEPH | Director | Buy | 30,000 | $6.80 | $203.9K | 85,505+54% |
| Aug 26, 2022 | Campbell Douglas M | Chief Executive Officer | Sell | 510,000 | $6.88 | $3.51M | 10,530,214 |
| Aug 24, 2022 | Campbell Douglas M | Chief Executive Officer | Sell | 520,000 | $6.80 | $3.54M | 11,050,214 |
| Aug 23, 2022 | STEPHENS JOHN JOSEPH | Director | Buy | 25,000 | $6.54 | $163.5K | 55,505+82% |
| Aug 22, 2022 | Campbell Douglas M | Chief Executive Officer | Sell | 500,000 | $6.79 | $3.40M | 11,550,214 |
| Aug 22, 2022 | STEPHENS JOHN JOSEPH | Director | Buy | 17,289 | $7.14 | $123.4K | 30,505+131% |
| Aug 19, 2022 | STEPHENS JOHN JOSEPH | Director | Buy | 13,216 | $6.91 | $91.4K | 13,216 |
| Jun 28, 2022 | Volta Energy Technologies, LLC | 10% Owner | Sell | 457,079 | $6.25 | $2.86M | 12,015,268 |
| Jun 13, 2022 | Volta Energy Technologies, LLC | 10% Owner | Sell | 42,921 | $7.08 | $303.9K | 12,253,237 |
| Apr 22, 2021 | Decarbonization Plus Acquisition Sponsor III LLC | 10% Owner | Buy | 40,000 | $0.00 | $4.00 | 9,702,500 |
SLDP Insider Buying Activity
The following table shows recent insider purchases of Solid Power, Inc. (SLDP) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 14, 2023 | STEPHENS JOHN JOSEPH | Director | Buy | 214,500 | $2.92 | $626.1K | 300,005+251% |
| Aug 31, 2022 | STEPHENS JOHN JOSEPH | Director | Buy | 30,000 | $6.80 | $203.9K | 85,505+54% |
| Aug 23, 2022 | STEPHENS JOHN JOSEPH | Director | Buy | 25,000 | $6.54 | $163.5K | 55,505+82% |
| Aug 22, 2022 | STEPHENS JOHN JOSEPH | Director | Buy | 17,289 | $7.14 | $123.4K | 30,505+131% |
| Aug 19, 2022 | STEPHENS JOHN JOSEPH | Director | Buy | 13,216 | $6.91 | $91.4K | 13,216 |
| Apr 22, 2021 | Decarbonization Plus Acquisition Sponsor III LLC | 10% Owner | Buy | 40,000 | $0.00 | $4.00 | 9,702,500 |
SLDP Insider Selling Activity
The following table shows recent insider sales of Solid Power, Inc. (SLDP) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,284 | $4.28 | $61.1K | 0 |
| Dec 31, 2025 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 26,605 | $4.28 | $113.9K | 0 |
| Dec 4, 2025 | ANDERSON ERIK J | Director | Sell | 30,000 | $5.20 | $156.1K | 0 |
| Sep 30, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,284 | $3.52 | $50.3K | 0 |
| Sep 30, 2025 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 26,605 | $3.52 | $93.6K | 0 |
| Sep 30, 2025 | Van Scoter John C. | President & CEO | Sell | 42,842 | $3.52 | $150.8K | 0 |
| Jun 30, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,285 | $2.15 | $30.7K | 0 |
| Jun 30, 2025 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 25,950 | $2.15 | $55.8K | 0 |
| Jun 30, 2025 | Van Scoter John C. | President & CEO | Sell | 42,841 | $2.15 | $92.1K | 0 |
| May 12, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 5,520 | $1.30 | $7.2K | 0 |
| May 12, 2025 | Liebscher James | Chief Legal Officer & Sec | Sell | 5,865 | $1.30 | $7.6K | 0 |
| Mar 31, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,285 | $1.08 | $15.4K | 0 |
| Mar 31, 2025 | Liebscher James | Chief Legal Officer & Sec | Sell | 18,179 | $1.08 | $19.6K | 0 |
| Mar 31, 2025 | Van Scoter John C. | President & CEO | Sell | 42,841 | $1.08 | $46.3K | 0 |
| Mar 7, 2025 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.13 | $211.6K | 865,304 |
| Sep 11, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.21 | $227.3K | 874,136 |
| Aug 30, 2024 | Goldberg Steven H | Director | Sell | 59,197 | $1.45 | $85.8K | 82,365-42% |
| Aug 20, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.42 | $267.1K | 683,057 |
| Aug 13, 2024 | Roe Lesa B | Director | Sell | 27,900 | $1.35 | $37.7K | 149,241 |
| Jul 10, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.66 | $312.1K | 683,057 |
| Jun 17, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.66 | $311.2K | 687,473 |
| May 22, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.68 | $315.1K | 687,473 |
| Apr 4, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.86 | $348.9K | 692,993 |
| Mar 19, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.36 | $254.7K | 336,539-36% |
| Feb 8, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.58 | $296.1K | 356,433-34% |
| Jan 12, 2024 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.29 | $242.1K | 356,433-34% |
| Dec 6, 2023 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 187,500 | $1.47 | $276.1K | 206,433-48% |
| Nov 20, 2023 | Goldberg Steven H | Director | Sell | 15,700 | $1.49 | $23.4K | 59,197 |
| May 26, 2023 | ANDERSON ERIK J | Director | Sell | 1,901 | $2.10 | $4.0K | 693,900 |
| Aug 31, 2022 | Campbell Douglas M | Chief Executive Officer | Sell | 570,000 | $6.63 | $3.78M | 10,070,214 |
| Aug 26, 2022 | Campbell Douglas M | Chief Executive Officer | Sell | 510,000 | $6.88 | $3.51M | 10,530,214 |
| Aug 24, 2022 | Campbell Douglas M | Chief Executive Officer | Sell | 520,000 | $6.80 | $3.54M | 11,050,214 |
| Aug 22, 2022 | Campbell Douglas M | Chief Executive Officer | Sell | 500,000 | $6.79 | $3.40M | 11,550,214 |
| Jun 28, 2022 | Volta Energy Technologies, LLC | 10% Owner | Sell | 457,079 | $6.25 | $2.86M | 12,015,268 |
| Jun 13, 2022 | Volta Energy Technologies, LLC | 10% Owner | Sell | 42,921 | $7.08 | $303.9K | 12,253,237 |
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