Insider Trading activities at Solid Power, Inc. (SLDP)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Solid Power, Inc. (SLDP) since 2022 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Solid Power, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1844862.

Total stock buying since 2022: $1,044,883.
Total stock sales since 2022: $19,191,392.
Total stock option exercises since 2022: $303,878.

7 insiders reported insider trading activities at Solid Power, Inc. (SLDP):
▪ Insider trading activities of Stephens John Joseph
▪ Insider trading activities of Goldberg Steven H
▪ Insider trading activities of Campbell Douglas M
▪ Insider trading activities of Buettner-garrett Joshua
▪ Insider trading activities of Roe Lesa B
▪ Insider trading activities of Volta Energy Technologies, Llc
▪ Insider trading activities of Anderson Erik J

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at *Solid Power, Inc.* (*SLDP*).
	Insider Buying		Insider Sales		Option Exercises
Year	Shares	Value	Shares	Value	Shares	Value
2025	0	$0	673,865	$1,032,647	562,500	$16,875
2024	0	$0	2,843,380	$3,981,454	2,441,079	$73,232
2023	214,500	$626,125	205,101	$303,369	337,500	$10,125
2022	60,505	$418,758	2,090,000	$13,873,922	5,091,169	$203,646

Table 2. Monthly summary of insider trading at *Solid Power, Inc.* (*SLDP*).
Trading Period	Insider Buying		Insider Sales		Option Exercises
year-month	Shares	Value	Shares	Value	Shares	Value
2025-05	0	$0	111,365	$182,523	0	$0
2025-03	0	$0	187,500	$211,499	187,500	$5,625
2025-02	0	$0	187,500	$246,375	187,500	$5,625
2025-01	0	$0	187,500	$392,250	187,500	$5,625
2024-12	0	$0	187,500	$201,375	187,500	$5,625
2024-11	0	$0	187,500	$201,375	187,500	$5,625
2024-10	0	$0	693,783	$880,991	187,500	$5,625
2024-09	0	$0	187,500	$227,250	187,500	$5,625
2024-08	0	$0	274,597	$390,527	378,579	$11,357
2024-07	0	$0	187,500	$312,000	187,500	$5,625
2024-06	0	$0	187,500	$311,250	187,500	$5,625
2024-05	0	$0	187,500	$315,000	187,500	$5,625
2024-04	0	$0	187,500	$348,937	187,500	$5,625
2024-03	0	$0	187,500	$254,625	187,500	$5,625
2024-02	0	$0	187,500	$296,062	187,500	$5,625
2024-01	0	$0	187,500	$242,062	187,500	$5,625
2023-12	0	$0	187,500	$276,000	337,500	$10,125
2023-11	0	$0	15,700	$23,377	0	$0
2023-05	0	$0	1,901	$3,992	0	$0
2023-03	214,500	$626,125	0	$0	0	$0
2022-08	60,505	$418,758	1,590,000	$10,713,300	0	$0
2022-06	0	$0	500,000	$3,160,622	0	$0
2022-01	0	$0	0	$0	5,091,169	$203,646

Table 3. Detailed insider trading at *Solid Power, Inc.* (*SLDP*)
Trade Date	Insider Name	Trade Type	Shares	Price ($)	Value ($)
2025-05-29	Roe Lesa B (Director)	Sale	29,000	1.69	49,010
2025-05-27	Goldberg Steven H (Director)	Sale	82,365	1.62	133,513
2025-03-06	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.13	211,499
2025-03-06	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2025-02-10	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.31	246,375
2025-02-10	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2025-01-06	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	2.09	392,250
2025-01-06	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-12-16	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.07	201,375
2024-12-16	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-11-12	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.07	201,375
2024-11-12	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-10-07	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.26	237,000
2024-10-07	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-10-01	Anderson Erik J (Director)	Sale	506,283	1.27	643,991
2024-09-10	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.21	227,250
2024-09-10	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-08-30	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	191,079	.03	5,732
2024-08-29	Goldberg Steven H (Director)	Sale	59,197	1.45	85,835
2024-08-19	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.42	267,000
2024-08-19	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-08-09	Roe Lesa B (Director)	Sale	27,900	1.35	37,692
2024-07-09	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.66	312,000
2024-07-09	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-06-14	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.66	311,250
2024-06-14	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-05-21	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.68	315,000
2024-05-21	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-04-03	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.86	348,937
2024-04-03	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-03-18	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.36	254,625
2024-03-18	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-02-07	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.58	296,062
2024-02-07	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2024-01-11	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.29	242,062
2024-01-11	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2023-12-22	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	150,000	.03	4,500
2023-12-05	Buettner-garrett Joshua (Chief Technology Officer)	Sale	187,500	1.47	276,000
2023-12-05	Buettner-garrett Joshua (Chief Technology Officer)	Option Ex	187,500	.03	5,625
2023-11-17	Goldberg Steven H (Director)	Sale	15,700	1.49	23,377
2023-05-25	Anderson Erik J (Director)	Sale	1,901	2.10	3,992
2023-03-10	Stephens John Joseph (Director)	Buy	214,500	2.92	626,125
2022-08-31	Campbell Douglas M (Chief Executive Officer)	Sale	170,000	6.41	1,089,700
2022-08-30	Campbell Douglas M (Chief Executive Officer)	Sale	200,000	6.67	1,334,000
2022-08-30	Stephens John Joseph (Director)	Buy	30,000	6.80	203,940
2022-08-29	Campbell Douglas M (Chief Executive Officer)	Sale	200,000	6.79	1,358,000
2022-08-24	Campbell Douglas M (Chief Executive Officer)	Sale	270,000	7.08	1,911,600
2022-08-23	Campbell Douglas M (Chief Executive Officer)	Sale	250,000	6.50	1,625,000
2022-08-22	Campbell Douglas M (Chief Executive Officer)	Sale	250,000	6.70	1,675,000
2022-08-19	Campbell Douglas M (Chief Executive Officer)	Sale	250,000	6.88	1,720,000
2022-08-18	Stephens John Joseph (Director)	Buy	17,289	7.14	123,443
2022-08-17	Stephens John Joseph (Director)	Buy	13,216	6.91	91,375
2022-06-24	Volta Energy Technologies, Llc (10% Owner)	Sale	457,079	6.25	2,856,743
2022-06-10	Volta Energy Technologies, Llc (10% Owner)	Sale	4,100	7.00	28,716
2022-06-09	Volta Energy Technologies, Llc (10% Owner)	Sale	38,821	7.09	275,163
2022-01-12	Campbell Douglas M (Chief Executive Officer)	Option Ex	5,091,169	.04	203,646

Insider trading activities including stock purchases, stock sales, and option exercises of SLDP listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Solid Power, Inc. (symbol SLDP, CIK number 1844862) see the Securities and Exchange Commission (SEC) website.

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