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Turner Michael S.

SEC insider (Form 3/4/5 filer). CIK 0001836524. Chief Legal Officer at HawkEye 360, Inc. (HAWK) and 1 other issuer. 13 reported Form 4/5 transactions since Sep 2024; latest on Sep 16, 2026. Located in HERNDON, VA.

Companies Turner Michael S. has filed insider reports for

  • HawkEye 360, Inc. (HAWK): Officer, Chief Legal Officer
  • 908 Devices Inc. (MASS): Officer, Chief Legal & Admin Officer
Turner Michael S. profile photo

Turner Michael S.

CIK: 0001836524

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)8 (61.5%)

Position reduction

Option Exercises (M)3 (23.1%)

Derivative conversions

Awards (A)2 (15.4%)

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)

HawkEye 360, Inc. logo
HAWK

HawkEye 360, Inc.

Officer
908 Devices Inc. logo
MASS

908 Devices Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (13 total)

  • HawkEye 360, Inc. logo
    HAWK

    HawkEye 360, Inc.

    Sep 16, 2026
    Sale
    Direct
    18.3K shares at avg. $16.24$296K
  • HawkEye 360, Inc. logo
    HAWK

    HawkEye 360, Inc.

    Sep 15, 2026
    Sale
    Direct
    8.3K shares at avg. $16.29$134K
  • 908 Devices Inc. logo
    MASS

    908 Devices Inc.

    Jun 18, 2025
    Sale
    Direct
    1.4K shares at avg. $7.50$10K
  • 908 Devices Inc. logo
    MASS

    908 Devices Inc.

    Jun 17, 2025
    Sale
    Direct
    7.1K shares at avg. $7.51$54K
  • 908 Devices Inc. logo
    MASS

    908 Devices Inc.

    Jun 16, 2025
    Sale
    Direct
    16.1K shares at avg. $7.51$121K
  • 908 Devices Inc. logo
    MASS

    908 Devices Inc.

    Mar 3, 2025
    Award

    Restricted Stock Units

    Direct
    125.5K shares-
  • 908 Devices Inc. logo
    MASS

    908 Devices Inc.

    Mar 3, 2025
    Award

    Stock Option (option to buy)

    Direct
    57.1K shares-
  • 908 Devices Inc. logo
    MASS

    908 Devices Inc.

    Feb 3, 2025
    Sale
    Direct
    3.8K shares at avg. $2.32$9K
  • 908 Devices Inc. logo
    MASS

    908 Devices Inc.

    Feb 3, 2025
    Sale
    Direct
    4.2K shares at avg. $2.32$10K
  • 908 Devices Inc. logo
    MASS

    908 Devices Inc.

    Feb 3, 2025
    Sale
    Direct
    1.7K shares at avg. $2.36$4K

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