Tappin Matthew

SEC CIK
0001986259

Latest role at each company

Trades

Every Form 4 that lists Tappin Matthew as a reporting owner, including filings made jointly with others. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

Insider trades
CompanyFiled (ET)Trade dateInsiderTransactionSharesAvg priceValueShares afterHolding changeFiling
STEMSTEM, INC.Jul 2, 20266:57 PM ETJul 2, 2026Tappin MatthewPresident, Software ProductsSSaleCommon Stock, Par Value $0.0001 Per Share−996$7.85−$7.82K9.58K−9.4%SEC
STEMSTEM, INC.Mar 13, 2026Mar 11, 2026Tappin MatthewPresident, Software ProductsSSaleCommon Stock, Par Value $0.0001 Per Share−402$10.83−$4.35K2.82K−12.5%SEC10b5-1
STEMSTEM, INC.Mar 10, 2026Mar 10, 2026Tappin MatthewPresident, Software ProductsSSaleCommon Stock, Par Value $0.0001 Per Share−655$11.12−$7.28K3.23K−16.9%SEC
STEMSTEM, INC.Mar 4, 2026Mar 3 – Mar 4, 2026Tappin MatthewPresident, Software ProductsSSaleCommon Stock, Par Value $0.0001 Per Share−485$9.7959−$4.75K2.42K−16.7%SEC
STEMSTEM, INC.Feb 23, 2026Feb 20, 2026Tappin MatthewPresident, Software ProductsSSaleCommon Stock, Par Value $0.0001 Per Share−366$11.40−$4.17K2.24K−14.1%SEC
STEMSTEM, INC.Nov 24, 2025Nov 11, 2025Tappin MatthewPresident, Software ProductsSSaleCommon Stock, Par Value $0.0001 Per Share−9.58K$17.70−$169.64K1.87K−83.7%SEC
STEMSTEM, INC.Jun 18, 20257:14 PM ETMay 30 – Jun 16, 2025Tappin MatthewPresident, Software DivisionSSaleCommon Stock, Par Value $0.0001 Per Share−21.99K$0.4501−$9.9K37.46K−37.0%SEC10b5-1
STEMSTEM, INC.Mar 17, 20254:30 PM ETMar 7 – Mar 12, 2025Tappin MatthewPresident, Software DivisionSSaleCommon Stock, Par Value $0.0001 Per Share−18.72K$0.4085−$7.65K56.67K−24.8%SEC
STEMSTEM, INC.Feb 21, 2025Feb 20, 2025Tappin MatthewPresident, Software DivisionSSaleCommon Stock, Par Value $0.0001 Per Share−8.13K$0.63−$5.12K32.82K−19.9%SEC
STEMSTEM, INC.May 30, 2024May 28, 2024Tappin MatthewPresident, Asset ManagementSSaleCommon Stock, Par Value $0.0001 Per Share−1.39K$1.32−$1.83K16.64K−7.7%SEC10b5-1
STEMSTEM, INC.Mar 20, 2024Mar 19, 2024Tappin MatthewPresident, Asset ManagementSSaleCommon Stock, Par Value $0.0001 Per Share−26.64K$1.82−$48.48K15.25K−63.6%SEC
STEMSTEM, INC.Mar 12, 2024Mar 8, 2024Tappin MatthewPresident, Asset ManagementSSaleCommon Stock, Par Value $0.0001 Per Share−24.9K$2.19−$54.53K41.89K−37.3%SEC10b5-1
STEMSTEM, INC.Mar 7, 2024Mar 5, 2024Tappin MatthewPresident, Asset ManagementSSaleCommon Stock, Par Value $0.0001 Per Share−3.84K$2.41−$9.25K66.79K−5.4%SEC10b5-1
STEMSTEM, INC.Mar 5, 2024Mar 4, 2024Tappin MatthewPresident, Asset ManagementSSaleCommon Stock, Par Value $0.0001 Per Share−5.72K$2.48−$14.2K70.62K−7.5%SEC
STEMSTEM, INC.Feb 21, 2024Feb 20, 2024Tappin MatthewPresident, Asset ManagementSSaleCommon Stock, Par Value $0.0001 Per Share−6.86K$3.05−$20.91K11.41K−37.5%SEC
STEMSTEM, INC.Feb 20, 2024Feb 16, 2024Tappin MatthewPresident, Asset ManagementSSaleCommon Stock, Par Value $0.0001 Per Share−10.6K$3.17−$33.61K18.27K−36.7%SEC
STEMSTEM, INC.Feb 16, 2024Feb 14, 2024Tappin MatthewPresident, Asset ManagementSSaleCommon Stock, Par Value $0.0001 Per Share−4.56K$3.15−$14.35K4.56K−50.0%SEC
STEMSTEM, INC.Jan 3, 2024Jan 3, 2024Tappin MatthewPresident, Asset ManagementSSaleCommon Stock, Par Value $0.0001 Per Share−5.21K$3.56−$18.54K9.11K−36.4%SEC