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Who

Michael S. Turner

Chief Legal Officer

Company insider

Files Form 4 as: Chief Legal Officer, HawkEye 360; Chief Legal & Admin Officer, 908 Devices.

In numbers

Trades disclosed
49
Buys
1
Sells
14
Bought
$100K
Sold
$2.6M
Companies
2
Companies where not an officer
0
First trade
22 Dec 2020
Last trade
16 Sep 2026
Last filed
17 Sep 2026

Companies traded

Where they are an officer
HAWK HawkEye 360Officer · Payments & Processors · last 16 Sep 20260 buys · 2 sells
MASS 908 DevicesOfficer · Life-science tools · last 18 Jun 20251 buy · 12 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
30Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
16 Sep 2026filed 17 Sep 2026HAWK HawkEye 360Payments & ProcessorsSEC FORM 4 Sold$296K18,256 at $16.24filing
16 Sep 2026filed 17 Sep 2026HAWK HawkEye 360Payments & ProcessorsSEC FORM 4 Sold$296K18,256 at $16.24filing
15 Sep 2026filed 17 Sep 2026HAWK HawkEye 360Payments & ProcessorsSEC FORM 4 Sold$134K8,250 at $16.29filing
15 Sep 2026filed 17 Sep 2026HAWK HawkEye 360Payments & ProcessorsSEC FORM 4 Sold$134K8,250 at $16.29filing
18 Jun 2025filed 18 Jun 2025MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$10K1,373 at $7.50filing
17 Jun 2025filed 18 Jun 2025MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$54K7,148 at $7.51filing
16 Jun 2025filed 18 Jun 2025MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$121K16,082 at $7.51filing
3 Mar 2025filed 5 Mar 2025MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code A—57,111 at $0.00filing
3 Mar 2025filed 5 Mar 2025MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code A—125,470 at $0.00filing
3 Feb 2025filed 4 Feb 2025MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$4,0191,703 at $2.36filing
3 Feb 2025filed 4 Feb 2025MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$8,8323,807 at $2.32filing
3 Feb 2025filed 4 Feb 2025MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$9,6564,162 at $2.32filing
1 Feb 2025filed 4 Feb 2025MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code M—4,427 at $0.00filing
1 Feb 2025filed 4 Feb 2025MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code M—9,909 at $0.00filing
1 Feb 2025filed 4 Feb 2025MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code M—10,834 at $0.00filing
1 Feb 2025filed 4 Feb 2025MASS 908 DevicesLife-science toolsSEC FORM 4 Code M—4,427filing
1 Feb 2025filed 4 Feb 2025MASS 908 DevicesLife-science toolsSEC FORM 4 Code M—9,909filing
1 Feb 2025filed 4 Feb 2025MASS 908 DevicesLife-science toolsSEC FORM 4 Code M—10,834filing
1 Mar 2024filed 5 Mar 2024MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code A—59,201 at $0.00filing
1 Mar 2024filed 5 Mar 2024MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code A—43,334 at $0.00filing

Sectors

Health Care13
Financials2

Buys in green, sells in red, by the company’s sector.

Related people

Charles Christopher HerndonChief Information Officer · Chief Information Officer at HawkEye 360, filing Form 4 there in the last year
Christopher D. BrownDirector · Director at 908 Devices, filing Form 4 there in the last year
Joseph H. Griffith IVChief Financial Officer · Chief Financial Officer at 908 Devices, filing Form 4 there in the last year
John Sheldon SerafiniPresident and CEO · President and CEO at HawkEye 360, filing Form 4 there in the last year
AWM Investment Company, Inc.10% owner · 10% owner at 908 Devices, filing Form 4 there in the last year
John KennewegSVP, Sales & Product Marketing · Also traded MASS in the last 90 days
Craig Chih-Meng SearleChief Financial Officer · Also traded HAWK in the last 90 days
Arthur L. MoneyDirector · Also traded HAWK in the last 90 days