Buettner-Garrett Joshua — SEC Form 4 filings
SEC reporting owner CIK 1880162. 34 Form 4 filings on record with FilingPulse; latest filed 2026-07-01.
Transaction summary — filings shown
Covers all 34 filings on record, filed 2024-01-12 to 2026-07-01. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 15 legs across 15 filings — 2,812,500 shares, $4,064,512 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 52.
- Largest priced transaction: sale of 187,500 shares @ $2.09 ($392,288) in Solid Power, Inc., filed 2025-01-07.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Solid Power, Inc. (SLDP) | Chief Technology Officer | 34 | — | 15 legs · 2,812,500 sh · $4,064,512 | 52 |
Form 4 filings — Buettner-Garrett Joshua
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-01 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 33,824 @ $2.60 | EDGAR |
| 2026-05-13 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 5,519 @ $3.15 | EDGAR |
| 2026-05-12 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 58,082 @ $3.08 | EDGAR |
| 2026-04-02 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 14,284 @ $2.82 · Grant/award (A): 183,518 @ $0 | EDGAR |
| 2026-01-05 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 14,284 @ $4.28 | EDGAR |
| 2025-10-01 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 14,284 @ $3.52 | EDGAR |
| 2025-07-01 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 14,285 @ $2.15 | EDGAR |
| 2025-05-13 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 5,520 @ $1.30 | EDGAR |
| 2025-05-12 | 4 | Solid Power, Inc. (SLDP) | Grant/award (A): 531,034 @ $0 | EDGAR |
| 2025-04-01 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 14,285 @ $1.08 | EDGAR |
| 2025-03-25 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 39,471 @ $1.11 | EDGAR |
| 2025-03-07 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.13 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2025-02-12 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.31 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2025-01-07 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $2.09 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2025-01-02 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 4,416 @ $2.14 | EDGAR |
| 2024-12-17 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.07 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-11-13 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.07 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-10-08 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.26 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-10-01 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 4,416 @ $1.37 | EDGAR |
| 2024-09-11 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.21 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-08-30 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 191,079 @ $0.03 · Option exercise (M): 191,079 (derivative) @ $0 | EDGAR |
| 2024-08-20 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.42 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-07-10 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.66 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-07-02 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 4,416 @ $1.65 | EDGAR |
| 2024-06-17 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.66 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-05-22 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.68 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-05-13 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 5,520 @ $1.72 | EDGAR |
| 2024-04-04 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.86 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-04-01 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 4,416 @ $2.03 | EDGAR |
| 2024-03-26 | 4 | Solid Power, Inc. (SLDP) | Grant/award (A): 360,870 @ $0 · Grant/award (A): 683,372 (derivative) @ $0 | EDGAR |
| 2024-03-19 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.36 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-03-04 | 4 | Solid Power, Inc. (SLDP) | Tax withholding (F): 19,894 @ $1.64 | EDGAR |
| 2024-02-08 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.58 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
| 2024-01-12 | 4 | Solid Power, Inc. (SLDP) | Option exercise (M): 187,500 @ $0.03 · Sale (S): 187,500 @ $1.29 · Option exercise (M): 187,500 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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