Skip to main content
Signal8
Plunkett Debora A profile photo

Debora A. Plunkett

CIK: 0001699997

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (21.1%)

Position reduction

Option Exercises (M)9 (47.4%)

Derivative conversions

Awards (A)6 (31.6%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (2)

MERCURY SYSTEMS INC logo
MRCY

MERCURY SYSTEMS INC

Director
CACI INTERNATIONAL INC /DE/ logo
CACI

CACI INTERNATIONAL INC /DE/

Director

Discretionary Trading P&L

Holdings

Transaction History (19 total)

  • MERCURY SYSTEMS INC logo
    MRCY

    MERCURY SYSTEMS INC

    Oct 28, 2026
    Award(A)
    Direct
    2.3K shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Oct 15, 2026
    Award(A)

    Restricted Stock Units

    Direct
    328 shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Oct 11, 2026
    Exercise(M)
    Direct
    85 shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Jul 13, 2026
    Exercise(M)
    Direct
    85 shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Apr 14, 2026
    Exercise(M)
    Direct
    84 shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Mar 11, 2026
    Sale(S)
    Direct
    220 shares at avg. $603.30$133K
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Jan 14, 2026
    Exercise(M)
    Direct
    84 shares-
  • MERCURY SYSTEMS INC logo
    MRCY

    MERCURY SYSTEMS INC

    Nov 7, 2025
    Sale(S)
    Direct
    1.7K shares at avg. $73.99$126K
  • MERCURY SYSTEMS INC logo
    MRCY

    MERCURY SYSTEMS INC

    Oct 22, 2025
    Award(A)
    Direct
    2.4K shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Oct 16, 2025
    Award(A)

    Restricted Stock Units

    Direct
    338 shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Oct 12, 2025
    Exercise(M)
    Direct
    83 shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Jul 14, 2025
    Exercise(M)
    Direct
    83 shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Apr 15, 2025
    Exercise(M)
    Direct
    83 shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Mar 12, 2025
    Sale(S)
    Direct
    309 shares at avg. $363.62$112K
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Jan 15, 2025
    Exercise(M)
    Direct
    82 shares-
  • MERCURY SYSTEMS INC logo
    MRCY

    MERCURY SYSTEMS INC

    Oct 23, 2024
    Award(A)
    Direct
    4.8K shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Oct 17, 2024
    Award(A)

    Restricted Stock Units

    Direct
    331 shares-
  • CACI INTERNATIONAL INC /DE/ logo
    CACI

    CACI INTERNATIONAL INC /DE/

    Oct 13, 2024
    Exercise(M)
    Direct
    132 shares-
  • MERCURY SYSTEMS INC logo
    MRCY

    MERCURY SYSTEMS INC

    Aug 30, 2024
    Sale(S)
    Direct
    1.8K shares at avg. $38.07$70K

1-19 of 19

About Plunkett Debora A

Plunkett Debora A (SEC CIK 0001699997) files insider reports with the SEC as Director of MERCURY SYSTEMS INC (MRCY) and Director of CACI INTERNATIONAL INC /DE/ (CACI).

Signal8 holds 19 ownership filings by Plunkett Debora A, all Form 4s, filed between Sep 13, 2024 and Oct 29, 2026. Those filings report 19 transactions, from Aug 30, 2024 to Oct 28, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Plunkett Debora A's filings is in RESTON, VA.

Recent filings by Plunkett Debora A

  • Oct 28, 2026: Grant or award of MRCY shares (Form 4, code A).
  • Oct 15, 2026: Grant or award of CACI derivative securities (Form 4, code A).
  • Oct 11, 2026: Option exercise of CACI shares (Form 4, code M).
  • Jul 13, 2026: Option exercise of CACI shares (Form 4, code M).
  • Apr 14, 2026: Option exercise of CACI shares (Form 4, code M).

Other insiders filing for MERCURY SYSTEMS INC (MRCY)

How to read Form 4 transaction codes