Tappin Matthew

CIK 00019862591 companyHOUSTON, TX

SEC Profile

Transactions

Companies

Filings

CIK

0001986259

Recent Transactions

50 trades

Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2026-03-10$11.12/sh−655→ 3,225 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2026-03-07−1,458→ 1,459 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2026-03-07+1,458→ 3,880 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2026-03-04$10.00/sh−185→ 2,422 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2026-03-03$9.67/sh−300→ 2,607 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2026-03-01+670→ 2,907 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2026-03-01−670→ 0 total
Award
STEM, INC.$STEM
Performance Stock Unit
2026-02-26+17,200→ 17,200 total
Award
STEM, INC.$STEM
Restricted Stock Unit
2026-02-26+25,800→ 25,800 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2026-02-20$11.40/sh−366→ 2,237 total
Tax Payment
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2026-02-19$11.30/sh−522→ 2,603 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2026-02-15−1,253→ 0 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2026-02-15+1,253→ 3,125 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-11-11$17.70/sh−9,584→ 1,872 total
Tax Payment
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-11-10$18.27/sh−5,416→ 11,456 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2025-11-07−15,000→ 0 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-11-07+15,000→ 16,872 total
Award
STEM, INC.$STEM
Restricted Stock Unit
2025-07-28+10,000→ 10,000 total
Award
STEM, INC.$STEM
Performance Stock Unit
2025-07-28+10,000→ 10,000 total
Award
STEM, INC.$STEM
Performance Stock Unit
2025-06-30+5,500→ 5,500 total
Award
STEM, INC.$STEM
Restricted Stock Unit
2025-06-30+11,000→ 11,000 total
Award
STEM, INC.$STEM
Stock Options
2025-06-30+5,500→ 5,500 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-06-16$0.45/sh−20,823→ 37,458 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-05-30$0.45/sh−1,164→ 58,281 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2025-05-29−2,775→ 396,784 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-05-29+2,775→ 59,445 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-03-12$0.40/sh−13,070→ 56,670 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2025-03-11−29,167→ 399,559 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-03-11+29,167→ 69,740 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-03-07$0.42/sh−5,645→ 40,573 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-03-06+13,397→ 46,218 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2025-03-06−13,397→ 428,726 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-02-20$0.63/sh−8,130→ 32,821 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2025-02-19−24,316→ 442,123 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2025-02-19+24,316→ 40,951 total
Award
STEM, INC.$STEM
Restricted Stock Unit
2024-11-01+300,000→ 466,439 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-05-28$1.32/sh−1,388→ 16,635 total
Award
STEM, INC.$STEM
Restricted Stock Unit
2024-05-28+87,500→ 166,439 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-05-24+2,775→ 18,023 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2024-05-24−2,775→ 78,939 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-03-19$1.82/sh−26,640→ 15,248 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-03-08$2.19/sh−24,899→ 41,888 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-03-05$2.41/sh−3,837→ 66,787 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-03-04$2.48/sh−5,724→ 70,624 total
Exercise/Conversion
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-03-01+13,398→ 24,809 total
Award
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-03-01+51,539→ 76,348 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2024-03-01−13,398→ 81,714 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-02-20$3.05/sh−6,857→ 11,411 total
Sale
STEM, INC.$STEM
Common Stock, Par Value $0.0001 Per Share
2024-02-16$3.17/sh−10,602→ 18,268 total
Exercise/Conversion
STEM, INC.$STEM
Restricted Stock Unit
2024-02-15−24,315→ 95,112 total

Companies

STEM, INC.
President, Software Products
$STEM

Recent Filings

Address

1400 POST OAK BOULEVARD SUITE 560

HOUSTON, TX, 77056

View on SEC.gov