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Who

Kirk Malloy

Director

Company insider

Files Form 4 as: Director, Rapid Micro Biosystems; Director, NanoString Technologies; Director, DermTech; Director, VivoSim Labs.

In numbers

Trades disclosed
113
Buys
1
Sells
17
Bought
$46K
Sold
$1.5M
Companies
4
Companies where not an officer
4
First trade
5 Dec 2014
Last trade
29 May 2026
Last filed
2 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
RPID Rapid Micro BiosystemsDirector · Life-science tools · last 29 May 20261 buy · 0 sells
NanoString TechnologiesDirector · last 6 May 20240 buys · 17 sells
DermTechDirector · last 1 Jun 20230 buys · 0 sells
VIVS VivoSim LabsDirector · Biotechnology · last 5 Sep 20190 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
29 May 2026filed 2 Jun 2026RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code A$25K12,787 at $1.96filing
29 May 2026filed 2 Jun 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—12,787 at $0.00filing
29 May 2026filed 2 Jun 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—12,787 at $0.00filing
29 May 2026filed 2 Jun 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—12,787 at $0.00filing
29 May 2026filed 2 Jun 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—12,787 at $0.00filing
29 May 2026filed 2 Jun 2026RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code A$25K12,787 at $1.96filing
21 May 2026filed 26 May 2026RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code A—19,300 at $0.00filing
21 May 2026filed 26 May 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—38,700 at $0.00filing
21 May 2026filed 26 May 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—38,700 at $0.00filing
21 May 2026filed 26 May 2026RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code A—19,300 at $0.00filing
14 Nov 2025filed 18 Nov 2025RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code G—40,000 at $0.00filing
22 May 2025filed 27 May 2025RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—28,650 at $0.00filing
22 May 2025filed 27 May 2025RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code A—14,300 at $0.00filing
8 Aug 2024filed 9 Aug 2024RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Bought$46K50,000 at $0.91filing
23 May 2024filed 28 May 2024RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—28,650 at $0.00filing
23 May 2024filed 28 May 2024RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code A—14,300 at $0.00filing
6 May 2024filed 8 May 2024NanoString Technologiesoption or derivativeSEC FORM 4 Code M—41,133 at $0.00filing
6 May 2024filed 8 May 2024NanoString TechnologiesSEC FORM 4 Code M—41,133 at $0.00filing
14 Jul 2023filed 18 Jul 2023RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—50,000 at $0.00filing
23 Jun 2023filed 27 Jun 2023NanoString Technologiesoption or derivativeSEC FORM 4 Code A—41,133 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Health Care1
Not placed17

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

Related people

Robert G. Spignesi Jr.President and CEO · President and CEO at Rapid Micro Biosystems, filing Form 4 there in the last year
Richard S. KollenderDirector · Director at Rapid Micro Biosystems, filing Form 4 there in the last year
Melinda Litherland PeiDirector · Director at Rapid Micro Biosystems, filing Form 4 there in the last year
Inese LowensteinDirector · Director at Rapid Micro Biosystems, filing Form 4 there in the last year
Sean M. WirtjesChief Financial Officer · Chief Financial Officer at Rapid Micro Biosystems, filing Form 4 there in the last year