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$ Value

$99K

Shares

5,416

Price

$18

Filed

Nov 12

Insider

Name

Tappin Matthew

Title

President, Software Products

CIK

0001986259

Roles

Officer

Transaction Details

Transaction Date

2025-11-10

Code

F

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

11,456

Footnotes

Each restricted stock unit ("RSU") converted into a share of common stock on a one-for-one basis. | Represents shares of common stock automatically sold to cover the reporting person's tax liability in connection with the settlement of RSUs. This "sell to cover" transaction does not represent a discretionary trade by the reporting person. | On November 1, 2024 the reporting person was granted 15,000 RSUs, vesting 100% on November 7, 2025.

Filing Info

Accession No.

0001986259-25-000005

Form Type

4

Issuer CIK

0001758766

Tappin Matthew's History

Date Ticker Type Value
2026-03-11 STEM $4K
2026-03-10 STEM $7K
2026-03-07 STEM M
2026-03-07 STEM M $0
2026-03-04 STEM $2K
2026-03-03 STEM $3K
2026-03-01 STEM M
2026-03-01 STEM M $0
2026-02-26 STEM A $0
2026-02-26 STEM A $0

Other Insiders at STEM (90d)

Insider Bought Sold Last
Laureles Saul R.
Chief Legal Officer
$13K 2026-03-10
Carlson Michael James
President, Managed Services
$23K 2026-03-10
Tappin Matthew
President, Software Products
$21K 2026-03-11
Narayanan Arun
Chief Executive Officer
$57K 2026-03-10
Musfeldt Brian
Chief Financial Officer
2026-02-26