Buettner-Garrett Joshua has filed 72 insider transactions across 1 company since March 2023.
Most recent transaction: a grant/award of 183518 shares of Solid Power, Inc. ($SLDP) on April 01, 2026.
Activity breakdown: 0 open-market purchases and 16 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | A | Common Stock | 183518 | $0.00 | 1,463,443.0000 | 220,578,327 | 14.34% | 0.08% |
| March 31, 2026 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 14284 | $2.82 | 1,279,925.0000 | 220,578,327 | 1.10% | 0.01% |
| Dec. 31, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 14284 | $4.28 | 1,294,209.0000 | 191,023,570 | 1.09% | 0.01% |
| Sept. 30, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 14284 | $3.52 | 1,308,493.0000 | 181,284,380 | 1.08% | 0.01% |
| June 30, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 14285 | $2.15 | 1,322,777.0000 | 179,362,078 | 1.07% | 0.01% |
| May 12, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 5520 | $1.30 | 1,337,062.0000 | 179,362,078 | 0.41% | 0.00% |
| May 9, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | A | Common Stock | 531034 | $0.00 | 1,342,582.0000 | 179,362,078 | 65.43% | 0.30% |
| March 31, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 14285 | $1.08 | 811,548.0000 | 181,992,040 | 1.73% | 0.01% |
| March 22, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 39471 | $1.11 | 825,833.0000 | 181,992,040 | 4.56% | 0.02% |
| March 6, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.13 | 865,304.0000 | 181,992,040 | 17.81% | 0.10% |
| March 6, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 0.0000 | 181,992,040 | 100.00% | 0.10% |
| March 6, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 1,052,804.0000 | 181,992,040 | 21.67% | 0.10% |
| Feb. 10, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.31 | 865,304.0000 | 180,387,669 | 17.81% | 0.10% |
| Feb. 10, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 187,500.0000 | 180,387,669 | 50.00% | 0.10% |
| Feb. 10, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 1,052,804.0000 | 180,387,669 | 21.67% | 0.10% |
| Jan. 6, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $2.09 | 865,304.0000 | 180,387,669 | 17.81% | 0.10% |
| Jan. 6, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 375,000.0000 | 180,387,669 | 33.33% | 0.10% |
| Jan. 6, 2025 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 1,052,804.0000 | 180,387,669 | 21.67% | 0.10% |
| Dec. 31, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 4416 | $2.14 | 865,304.0000 | 180,387,669 | 0.51% | 0.00% |
| Dec. 16, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 1,057,220.0000 | 180,387,669 | 21.56% | 0.10% |
| Dec. 16, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.07 | 869,720.0000 | 180,387,669 | 17.74% | 0.10% |
| Dec. 16, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 562,500.0000 | 180,387,669 | 25.00% | 0.10% |
| Nov. 12, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.07 | 869,720.0000 | 180,387,669 | 17.74% | 0.10% |
| Nov. 12, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 750,000.0000 | 180,387,669 | 20.00% | 0.10% |
| Nov. 12, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 1,057,220.0000 | 180,387,669 | 21.56% | 0.10% |
| Oct. 7, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.26 | 869,720.0000 | 178,962,858 | 17.74% | 0.10% |
| Oct. 7, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 937,500.0000 | 178,962,858 | 16.67% | 0.10% |
| Oct. 7, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 1,057,220.0000 | 178,962,858 | 21.56% | 0.10% |
| Sept. 30, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 4416 | $1.37 | 869,720.0000 | 178,962,858 | 0.51% | 0.00% |
| Sept. 10, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.21 | 874,136.0000 | 178,962,858 | 17.66% | 0.10% |
| Sept. 10, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 1,125,000.0000 | 178,962,858 | 14.29% | 0.10% |
| Sept. 10, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 1,061,636.0000 | 178,962,858 | 21.45% | 0.10% |
| Aug. 30, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 191079 | $0.03 | 874,136.0000 | 178,962,858 | 27.97% | 0.11% |
| Aug. 30, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 191079 | $0.00 | 1,312,500.0000 | 178,962,858 | 12.71% | 0.11% |
| Aug. 19, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 1,503,579.0000 | 178,962,858 | 11.09% | 0.10% |
| Aug. 19, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.42 | 683,057.0000 | 178,962,858 | 21.54% | 0.10% |
| Aug. 19, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 870,557.0000 | 178,962,858 | 27.45% | 0.10% |
| July 9, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.66 | 683,057.0000 | 177,045,891 | 21.54% | 0.11% |
| July 9, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 1,691,079.0000 | 177,045,891 | 9.98% | 0.11% |
| July 9, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 870,557.0000 | 177,045,891 | 27.45% | 0.11% |
| June 30, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 4416 | $1.65 | 683,057.0000 | 177,045,891 | 0.64% | 0.00% |
| June 14, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.66 | 687,473.0000 | 177,045,891 | 21.43% | 0.11% |
| June 14, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 1,878,579.0000 | 177,045,891 | 9.08% | 0.11% |
| June 14, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 874,973.0000 | 177,045,891 | 27.27% | 0.11% |
| May 21, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.68 | 687,473.0000 | 177,045,891 | 21.43% | 0.11% |
| May 21, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 2,066,079.0000 | 177,045,891 | 8.32% | 0.11% |
| May 21, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 874,973.0000 | 177,045,891 | 27.27% | 0.11% |
| May 12, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 5520 | $1.72 | 687,473.0000 | 177,045,891 | 0.80% | 0.00% |
| April 3, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 2,253,579.0000 | 181,091,826 | 7.68% | 0.10% |
| April 3, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 880,493.0000 | 181,091,826 | 27.06% | 0.10% |
| April 3, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.86 | 692,993.0000 | 181,091,826 | 21.29% | 0.10% |
| March 31, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 4416 | $2.03 | 692,993.0000 | 181,091,826 | 0.63% | 0.00% |
| March 22, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | A | Stock Option (Right to Buy) | 683372 | $0.00 | 683,372.0000 | 181,091,826 | 9999.99% | 0.38% |
| March 22, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | A | Common Stock | 360870 | $0.00 | 697,409.0000 | 181,091,826 | 107.23% | 0.20% |
| March 18, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 2,441,079.0000 | 181,091,826 | 7.13% | 0.10% |
| March 18, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.36 | 336,539.0000 | 181,091,826 | 35.78% | 0.10% |
| March 18, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 524,039.0000 | 181,091,826 | 55.71% | 0.10% |
| March 2, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 19894 | $1.64 | 336,539.0000 | 181,091,826 | 5.58% | 0.01% |
| Feb. 7, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 2,628,579.0000 | 178,437,367 | 6.66% | 0.11% |
| Feb. 7, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.58 | 356,433.0000 | 178,437,367 | 34.47% | 0.11% |
| Feb. 7, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 543,933.0000 | 178,437,367 | 52.60% | 0.11% |
| Jan. 11, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 543,933.0000 | 178,437,367 | 52.60% | 0.11% |
| Jan. 11, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.29 | 356,433.0000 | 178,437,367 | 34.47% | 0.11% |
| Jan. 11, 2024 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 2,816,079.0000 | 178,437,367 | 6.24% | 0.11% |
| Dec. 22, 2023 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 150000 | $0.03 | 356,433.0000 | 178,437,367 | 72.66% | 0.08% |
| Dec. 22, 2023 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 150000 | $0.00 | 3,003,579.0000 | 178,437,367 | 4.76% | 0.08% |
| Dec. 5, 2023 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | S | Common Stock | 187500 | $1.47 | 206,433.0000 | 178,437,367 | 47.60% | 0.11% |
| Dec. 5, 2023 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Stock Option (Right to Buy) | 187500 | $0.00 | 3,153,579.0000 | 178,437,367 | 5.61% | 0.11% |
| Dec. 5, 2023 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | M | Common Stock | 187500 | $0.03 | 393,933.0000 | 178,437,367 | 90.83% | 0.11% |
| May 12, 2023 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | F | Common Stock | 5519 | $2.07 | 206,433.0000 | 177,829,714 | 2.60% | 0.00% |
| March 2, 2023 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | A | Common Stock | 161493 | $0.00 | 211,952.0000 | 176,782,721 | 320.05% | 0.09% |
| March 2, 2023 | Solid Power, Inc. | $SLDP | Buettner-Garrett Joshua | Chief Technology Officer | A | Stock Option (Right to Buy) | 349089 | $0.00 | 349,089.0000 | 176,782,721 | 9999.99% | 0.20% |