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Signal8

Sella Roberto Marco

SEC insider (Form 3/4/5 filer). CIK 0001770593. 10% Owner at Terrestrial Energy Inc. /DE/ (IMSR) and 1 other issuer. 1 reported Form 4/5 transaction since Sep 2024; latest on Sep 30, 2025. Located in PHILADELPHIA, PA.

Companies Sella Roberto Marco has filed insider reports for

  • Terrestrial Energy Inc. /DE/ (IMSR): 10% Owner
  • Offerpad Solutions Inc. (OPAD): Director
Sella Roberto Marco profile photo

Sella Roberto Marco

CIK: 0001770593

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (100.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

Terrestrial Energy Inc. /DE/ logo
IMSR

Terrestrial Energy Inc. /DE/

10% Owner
Offerpad Solutions Inc. logo
OPAD

Offerpad Solutions Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (1 total)

  • Offerpad Solutions Inc. logo
    OPAD

    Offerpad Solutions Inc.

    Sep 30, 2025
    Other
    Direct
    764.9K shares-

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