BUZBY DAVID S
SEC insider (Form 3/4/5 filer). CIK 0001244203. Director at STEM, INC. (STEM) and 3 other issuers. 8 reported Form 4/5 transactions since Sep 2024; latest on Aug 7, 2026. Located in HOUSTON, TX.
Companies BUZBY DAVID S has filed insider reports for
- STEM, INC. (STEM): Director
- Spring Valley Acquisition Corp. II (SVII): Director
- Spring Valley Acquisition Corp. IV (SVIV): Director
- Spring Valley Acquisition Corp. III (SVAC): Director
BUZBY DAVID S
CIK: 0001244203
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)2 (25.0%)
Derivative conversions
Awards (A)3 (37.5%)
Compensation grants
Other (G, F, J, C, D, …)3 (37.5%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Aug 7, 2026STEM
STEM, INC.
ExerciseDirect7.5K shares- - Jun 3, 2026STEM
STEM, INC.
AwardDirectRestricted Stock Unit
12.2K shares- - Feb 24, 2026SVII
Spring Valley Acquisition Corp. II
DispositionDirect40K shares- - Jul 3, 2025STEM
STEM, INC.
GiftIndirect5.5K shares- - Jul 3, 2025STEM
STEM, INC.
GiftDirect5.5K shares- - Jun 4, 2025STEM
STEM, INC.
AwardDirectRestricted Stock Unit
149.7K shares- - May 29, 2025STEM
STEM, INC.
ExerciseDirect110.2K shares- - Jan 14, 2025STEM
STEM, INC.
AwardDirectStock Option (Right to Buy)
66.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 7, 2026 |  STEM STEM, INC. | Exercise | 7,486 | - | $0 | Direct |
| Jun 3, 2026 | STEM STEM, INC. | Award Restricted Stock Unit | 12,168 | - | - | Direct |
| Feb 24, 2026 |  SVII Spring Valley Acquisition Corp. II | Disposition | 40,000 | - | $0 | Direct |
| Jul 3, 2025 | STEM STEM, INC. | Gift | 5,511 | - | - | Indirect |
| Jul 3, 2025 | STEM STEM, INC. | Gift | 5,511 | - | - | Direct |
| Jun 4, 2025 | STEM STEM, INC. | Award Restricted Stock Unit | 149,723 | - | - | Direct |
| May 29, 2025 | STEM STEM, INC. | Exercise | 110,236 | - | - | Direct |
| Jan 14, 2025 | STEM STEM, INC. | Award Stock Option (Right to Buy) | 66,667 | - | - | Direct |
1-8 of 8 transactions