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M 10b5-1 Plan

$ Value

$20K

Shares

18,580

Price

$1

Filed

Apr 10

Insider

Name

McCallion Kevin J.

Title

SVP, Products and Production

CIK

0002115341

Roles

Officer

Transaction Details

Transaction Date

2026-04-08

Code

M

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

63,505

Footnotes

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 9, 2025. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.25 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3). | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.09 inclusive. | The shares underlying the option are fully vested and immediately exercisable.

Filing Info

Accession No.

0002115341-26-000010

Form Type

4

Issuer CIK

0001555279

McCallion Kevin J.'s History

Date Ticker Type Value
2026-04-10 MASS M $3K
2026-04-10 MASS $19K
2026-04-10 MASS M $0
2026-04-09 MASS M $6K
2026-04-09 MASS $38K
2026-04-09 MASS M $0
2026-04-08 MASS M $20K
2026-04-08 MASS $131K
2026-04-08 MASS M $0

Other Insiders at MASS (90d)

Insider Bought Sold Last
Brown Christopher D. $282K 2026-04-10
McCallion Kevin J.
SVP, Products and Production
$188K 2026-04-10
Otitoju Kolawole A.
Chief Bus. & Strategy Officer
2026-04-21