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Who

Richard S. Kollender

Director

Company insider

Files Form 4 as: Director, Rapid Micro Biosystems; President and CFO, Strongbridge Biopharma; Director, Celator Pharmaceuticals; Director, Nupathe; Director, Insmed.

Every Form 4 they filed

In numbers

Trades disclosed
82
Buys
1
Sells
0
Bought
$50K
Sold
$0
Companies
5
Companies where not an officer
4
First trade
1 Mar 2011
Last trade
24 Jul 2026
Last filed
24 Jul 2026

Companies traded

Where they are an officer
Strongbridge BiopharmaDirector, Officer · last 5 Oct 20210 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
RPID Rapid Micro BiosystemsDirector · Life-science tools · last 24 Jul 20261 buy · 0 sells
Celator PharmaceuticalsDirector · last 12 Jul 20160 buys · 0 sells
NupatheDirector · last 21 Feb 20140 buys · 0 sells
INSM InsmedDirector · Biotechnology · last 31 Oct 20130 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
24 Jul 2026filed 24 Jul 2026RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code M$1,2611,681 at $0.75filing
24 Jul 2026filed 24 Jul 2026RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code M$1,3701,827 at $0.75filing
24 Jul 2026filed 24 Jul 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code M—1,681 at $0.00filing
24 Jul 2026filed 24 Jul 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code M—1,681 at $0.00filing
24 Jul 2026filed 24 Jul 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code M—1,827 at $0.00filing
24 Jul 2026filed 24 Jul 2026RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code M—1,827 at $0.00filing
24 Jul 2026filed 24 Jul 2026RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code M$1,2611,681 at $0.75filing
24 Jul 2026filed 24 Jul 2026RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Code M$1,3701,827 at $0.75filing
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
6 Aug 2024filed 7 Aug 2024RPID Rapid Micro BiosystemsLife-science toolsSEC FORM 4 Bought$50K65,000 at $0.77filing
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
23 May 2022filed 10 Jun 2022RPID Rapid Micro Biosystemsoption or derivative · Life-science toolsSEC FORM 4 Code A—12,500 at $0.00filing
5 Oct 2021filed 6 Oct 2021Strongbridge Biopharmaoption or derivativeSEC FORM 4 Code D—544,918filing

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

Nobody else traded the same names lately.