WAVEMAN · COMPANY

RPID · Rapid Micro Biosystems, Inc.

LIVE

TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475

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RPID

Name: RAPID MICRO BIOSYSTEMS, INC. (RPID) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

RAPID MICRO BIOSYSTEMS, INC.

MEDICAL DEVICES · LABORATORY ANALYTICAL INSTRUMENTS · CIK 0001380106

FORM 144 · 3☆ WATCH

INSIDER NET · 180D

-$147.5K

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

13F, latest reported quarter

REVENUE GROWTH

+19.7%

XBRL, annual

NET MARGIN

-140.3%

CONVERSIONS · 180D

codes C/M, not in net · $3.7K priced

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$147.5K over 180 days

more than 56% of Medical Devices

CONGRESS

no member of Congress has reported trading it

FUNDS

13 funds added or opened last quarter

below 82% of Medical Devices

REVENUE

+19.7% year over year

more than 75% of Medical Devices

MARGIN

-140.3% net margin

below 85% of Medical Devices

BUYBACKS

no share repurchases reported

SHORT

no short interest reported

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

Insiders are net sellers: -$147.5K across 3 people in 180 days.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN -44.7%

-44.7%12M

INSIDER SELLFORM 144

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

Insiders have filed to sell — before selling.

The record shows a net $147.5K sold by insiders over 180 days, 13 funds added last quarter, $34.5K in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

TMO PEN ROK BLFS MTD SIBN WRBY ISRG TXG DXCM EW TMDX

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, RAPID MICRO BIOSYSTEMS, INC. insiders sold a net $147.5K of stock across 60 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER

FILED

VALUE

Wilson John J. Addington

CHIEF OPERATING OFFICER

SELL

2026-03-11

9,603.0

$41.5K

WIRTJES SEAN M

CHIEF FINANCIAL OFFICER

SELL

2026-03-11

7,480.0

$32.3K

Spignesi Robert G. Jr.

PRESIDENT AND CEO

SELL

2026-03-10

17,922.0

$73.7K

Wilson John J. Addington

CHIEF OPERATING OFFICER

SELL

2026-02-20

5,403.0

$21.2K

WIRTJES SEAN M

CHIEF FINANCIAL OFFICER

SELL

2026-02-20

17,254.0

$67.6K

60 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 55 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

Bain Capital Life Sciences Investors, LLC

8,434,560.0 sh

$14.6M

ARMISTICE CAPITAL, LLC

3,328,000.0 sh

$5.8M

ABG-WTT Global Life Science Capital Partners GP Ltd

1,848,296.0 sh

$3.2M

VANGUARD CAPITAL MANAGEMENT LLC

982,034.0 sh

$1.7M

Evernest Financial Advisors, LLC

506,000.0 sh

$875.4K

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

Planned sales · Form 144

Filed before the sale — intent, not a trade

Wilson John J. Addington

FILED 2026-07-08

$17.0K

Wilson John J. Addington

FILED 2026-07-01

$11.0K

Wilson John J. Addington

FILED 2026-06-22

$6.5K

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

1290 Essex Small Cap Growth Fund

$492.2K POSITION · AS OF 2026-04-30

0.4%

iShares Micro-Cap ETF

$179.4K POSITION · AS OF 2026-03-31

0.0%

1290 VT Micro Cap Portfolio

$13.4K POSITION · AS OF 2026-03-31

0.0%

Avantis U.S. Small Cap Equity ETF

$73.3K POSITION · AS OF 2026-02-28

0.0%

Small Cap Core Fund

$6.6K POSITION · AS OF 2026-03-31

0.0%

Fidelity Extended Market Index Fund

$434.6K POSITION · AS OF 2026-02-28

0.0%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$33.6M	$28.1M	$22.5M	$17.1M
OPERATING INCOME	$-47.4M	$-49.9M	$-56.6M	$-63.2M
NET INCOME	$-47.1M	$-46.9M	$-52.5M	$-60.8M
EPS (DILUTED)	-1.05	-1.08	-1.22	-1.43
OPERATING CASH FLOW	$-31.1M	$-44.2M	$-45.1M	$-58.5M
CASH	$20.0M	$16.9M	$24.3M	$27.1M
LONG-TERM DEBT	$18.9M	$0	—	$0

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE