Tappin Matthew
CIK: 0001986259•PRESIDENT, SOFTWARE DIVISION
Officer
Primary company: STEM, INC. (STEM)
Tappin Matthew is a corporate insider (PRESIDENT, SOFTWARE DIVISION) at STEM, INC. (STEM) filing SEC Form 4 transactions. 51 transactions, totaling $0 in purchases and $407,972 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
STEM, INC. STEM | Sale | 996 | $7.85 | $8K | 9,577 | 7/2/2026 Filed: 6/30/2026 | Filing → |
STEM, INC. STEM | Exercise | 5,000 | - | - | 5,000 | 6/30/2026 Filed: 6/30/2026 | Filing → |
STEM, INC. STEM | Exercise | 2,750 | - | - | 2,750 | 6/30/2026 Filed: 6/30/2026 | Filing → |
STEM, INC. STEM | Exercise | 2,750 | $7.81 | $21K | 10,573 | 6/30/2026 Filed: 6/30/2026 | Filing → |
STEM, INC. STEM | Exercise | 5,000 | $7.81 | $39K | 7,823 | 6/30/2026 Filed: 6/30/2026 | Filing → |
STEM, INC. STEM | Sale | 402 | $10.83 | $4K | 2,823 | 3/11/2026 Filed: 3/11/2026 | Filing → |
STEM, INC. STEM | Exercise | 1,253 | - | - | 0 | 2/15/2026 Filed: 2/15/2026 | Filing → |
STEM, INC. STEM | Exercise | 1,253 | - | - | 3,125 | 2/15/2026 Filed: 2/15/2026 | Filing → |
STEM, INC. STEM | Sale | 9,584 | $17.70 | $170K | 1,872 | 11/11/2025 Filed: 11/24/2025 | Filing → |
STEM, INC. STEM | Tax Payment | 5,416 | $18.27 | $99K | 11,456 | 11/10/2025 Filed: 11/12/2025 | Filing → |
STEM, INC. STEM | Exercise | 15,000 | - | - | 0 | 11/7/2025 Filed: 11/12/2025 | Filing → |
STEM, INC. STEM | Exercise | 15,000 | - | - | 16,872 | 11/7/2025 Filed: 11/12/2025 | Filing → |
STEM, INC. STEM | Award | 10,000 | - | - | 10,000 | 7/28/2025 Filed: 7/30/2025 | Filing → |
STEM, INC. STEM | Award | 10,000 | - | - | 10,000 | 7/28/2025 Filed: 7/30/2025 | Filing → |
STEM, INC. STEM | Award | 5,500 | - | - | 5,500 | 6/30/2025 Filed: 7/2/2025 | Filing → |
STEM, INC. STEM | Award | 5,500 | - | - | 5,500 | 6/30/2025 Filed: 7/2/2025 | Filing → |
STEM, INC. STEM | Award | 11,000 | - | - | 11,000 | 6/30/2025 Filed: 7/2/2025 | Filing → |
STEM, INC. STEM | Sale | 20,823 | $0.45 | $9K | 37,458 | 6/16/2025 Filed: 6/18/2025 | Filing → |
STEM, INC. STEM | Sale | 1,164 | $0.45 | $525 | 58,281 | 5/30/2025 Filed: 6/18/2025 | Filing → |
STEM, INC. STEM | Exercise | 2,775 | - | - | 396,784 | 5/29/2025 Filed: 6/18/2025 | Filing → |
STEM, INC.
STEM
Type
Sale
Shares
996
Price
$7.85
Value
$8K
STEM, INC.
STEM
Type
Exercise
Shares
5,000
Price
-
Value
-
STEM, INC.
STEM
Type
Exercise
Shares
2,750
Price
-
Value
-
STEM, INC.
STEM
Type
Exercise
Shares
2,750
Price
$7.81
Value
$21K
STEM, INC.
STEM
Type
Exercise
Shares
5,000
Price
$7.81
Value
$39K
STEM, INC.
STEM
Type
Sale
Shares
402
Price
$10.83
Value
$4K
STEM, INC.
STEM
Type
Exercise
Shares
1,253
Price
-
Value
-
STEM, INC.
STEM
Type
Exercise
Shares
1,253
Price
-
Value
-
STEM, INC.
STEM
Type
Sale
Shares
9,584
Price
$17.70
Value
$170K
STEM, INC.
STEM
Type
Tax Payment
Shares
5,416
Price
$18.27
Value
$99K
STEM, INC.
STEM
Type
Exercise
Shares
15,000
Price
-
Value
-
STEM, INC.
STEM
Type
Exercise
Shares
15,000
Price
-
Value
-
STEM, INC.
STEM
Type
Award
Shares
10,000
Price
-
Value
-
STEM, INC.
STEM
Type
Award
Shares
10,000
Price
-
Value
-
STEM, INC.
STEM
Type
Award
Shares
5,500
Price
-
Value
-
STEM, INC.
STEM
Type
Award
Shares
5,500
Price
-
Value
-
STEM, INC.
STEM
Type
Award
Shares
11,000
Price
-
Value
-
STEM, INC.
STEM
Type
Sale
Shares
20,823
Price
$0.45
Value
$9K
STEM, INC.
STEM
Type
Sale
Shares
1,164
Price
$0.45
Value
$525
STEM, INC.
STEM
Type
Exercise
Shares
2,775
Price
-
Value
-
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