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Who

Inese Lowenstein

Director

Company insider

Files Form 4 as: Director, Rapid Micro Biosystems.

In numbers

Trades disclosed
18
Buys
1
Sells
0
Bought
$70K
Sold
$0
Companies
1
Companies where not an officer
1
First trade
14 Jul 2021
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

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
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
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
4 May 2023filed 5 May 2023RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—25,000 at $0.00filing
10 Mar 2022filed 14 Mar 2022RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Bought$70K10,000 at $6.95filing
17 Dec 2021filed 28 Jan 2022RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—25,000 at $0.00filing
14 Jul 2021filed 21 Dec 2021RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—25,000 at $0.00filing

News

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

Sectors

Health Care1

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

Related people

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