CoverageForm 410-K10-Q8-K13D13G13F

Rapid Micro Biosystems, Inc.

RPIDCIK 0001380106 · Every Form 4 filed by insiders at this issuer. See financials →

Annual report (10-K)

Latest 10-K filed Mar 12, 2026. Sentiment + YoY language diff vs prior year. Read sections →

Signal:Neutral
Risk Factors:tone -0.0282Δ-0.001394% similar+98/-97
MD&A:tone 0.0028Δ-0.001987% similar+69/-70

Sentiment via Loughran-McDonald lexicon · YoY diff via Jaccard similarity + paragraph set difference.

Recent 8-K announcements

Per-item disclosure feed. Item 2.02 is the earnings release.

Top insiders

Most active reporters at Rapid Micro Biosystems, Inc.

NameRolesFilings
Malloy Kirk
Director
7
Kollender Richard S
Director
6
Vezina Victoria
Officer
6
Ricciardi Natale S
Director
5
Chene David
10% Owner
4

Showing 6-10 of 34

PrevPage 2 of 7Next

Top performers

Insiders ranked by realized 90-day signed return on their open-market trades at Rapid Micro Biosystems, Inc.. Minimum 3 scored trades. Returns are signed - a sale followed by a rally counts against the insider.

#InsiderTradesWin rateAvgMedianBestWorst
1Pei Melinda Litherland4100%+166.0%+165.4%+184.8%+148.6%
2Enright Patrick G5100%+42.2%+42.8%+45.8%+36.2%
3Longitude Capital Partners II, LLC5100%+42.2%+42.8%+45.8%+36.2%
4Longitude Prime Partners, LLC5100%+42.2%+42.8%+45.8%+36.2%
5Longitude Venture Partners II, L.P.5100%+42.2%+42.8%+45.8%+36.2%
6Tammenoms Bakker Juliet5100%+42.2%+42.8%+45.8%+36.2%
7Wirtjes Sean M4100%+34.0%+38.3%+46.8%+12.7%
8Spignesi Robert G. Jr.2070%+9.1%+8.7%+49.4%-9.1%
9Chene David180%-25.8%-28.5%-9.9%-34.3%
10Kennedy Lewis Investment Management LLC180%-25.8%-28.5%-9.9%-34.3%

All filings

114 Form 4 / 4-A filings, newest first

Sign in to download
Filed Top transactionSharesPriceValue