| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Callies John E | Director | 13595 DULLES TECHNOLOGY DRIVE, HERNDON | /s/ John E. Callies | 10 Dec 2025 | 0001497458 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PLUS | Common | Sale | -$50.4K | -560 | -2.55% | $90.03 | 21.4K | 08 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The transaction was executed in multiple trades at prices ranging from $90.02 to $90.03 per share, inclusive. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares purchased and prices at which the transaction was effected. |