12 insiders reported 59 Form 4 transactions for Solid Power, Inc. (SLDP) over the past 18 months (most recent 2026-07-01). Recent activity: Van Scoter John C. (President & CEO) Sell 154,512 shares, Buettner-Garrett Joshua (Chief Technology Officer) Sell 33,824 shares, Heller Linda C. (CFO, Treasurer, & Secretary) Sell 72,310 shares, Miziolek Aleksandra A (Director) Buy 44,133 shares, ANDERSON ERIK J (Director) Buy 44,133 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-01 | Van Scoter John C. | President & CEO | Sell | 154,512 | $401,731 |
| 2026-07-01 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 33,824 | $87,942 |
| 2026-07-01 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 72,310 | $188,006 |
| 2026-05-21 | Miziolek Aleksandra A | Director | Buy | 44,133 | $0 |
| 2026-05-21 | ANDERSON ERIK J | Director | Buy | 44,133 | $0 |
| 2026-05-21 | STEPHENS JOHN JOSEPH | Director | Buy | 44,133 | $0 |
| 2026-05-21 | Wright MaryAnn | Director | Buy | 44,133 | $0 |
| 2026-05-21 | Kreh Susan M | Director | Buy | 44,133 | $0 |
| 2026-05-21 | Roe Lesa B | Director | Sell | 39,207 | $104,291 |
| 2026-05-21 | Awada Kaled | Director | Buy | 44,133 | $0 |
| 2026-05-21 | Goldberg Steven H | Director | Buy | 44,133 | $0 |
| 2026-05-21 | Goldberg Steven H | Director | Buy | 44,133 | $0 |
| 2026-05-21 | Roe Lesa B | Director | Buy | 44,133 | $0 |
| 2026-05-13 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 5,519 | $17,385 |
| 2026-05-12 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 136,122 | $418,575 |
| 2026-05-12 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 58,082 | $178,602 |
| 2026-05-12 | Van Scoter John C. | President & CEO | Sell | 308,010 | $947,131 |
| 2026-04-02 | Van Scoter John C. | President & CEO | Sell | 42,842 | $120,814 |
| 2026-04-02 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 26,659 | $75,178 |
| 2026-04-02 | Van Scoter John C. | President & CEO | Buy | 1.3M | $0 |
| 2026-04-02 | Heller Linda C. | CFO, Treasurer, & Secretary | Buy | 380,348 | $0 |
| 2026-04-02 | Buettner-Garrett Joshua | Chief Technology Officer | Buy | 183,518 | $0 |
| 2026-04-02 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,284 | $40,281 |
| 2026-01-05 | Buettner-Garrett Joshua | Chief Technology Officer | Sell | 14,284 | $61,136 |
| 2026-01-05 | Heller Linda C. | CFO, Treasurer, & Secretary | Sell | 26,605 | $113,869 |
Source: SEC Form 4 filings · as of 2026-07-01