Recent Updates
Recently added Catalysts

Rapid Micro Biosystems, Inc. Class A Common Stock

RPIDFDA catalysts, PDUFA dates & pipeline intelligence
$0.77
▼ 0 · -0.25%

Financials

Last updated
Revenue
R&D Expenses
Operating CF
Total Assets
Total Liabilities
Equity
Shares Out.
D/E Ratio
Dilution Watch
Quarterly Cash
Unlock full RPID financials and dilution scoring
Quarter by quarter figures, cash trend and dilution risk.
Institutional-grade data · Cancel anytime
52W LOW $0.7652W HIGH $4.94
Volume
108.23 K
Value Traded
531.90 K
Short % Float
3.17%
Days to Cover
2.3
-11.68%Week
-31.71%1 Month
-63.25%3 Month
-64.76%6 Month

Cash Data

Unlock RPID cash and runway
  • Monthly Burn
  • Burn Trend
  • Dilution Risk
  • SEC Filing

Key Stats

Market Cap
38.71 M
EPS (TTM)
-1.02
P/E Ratio
-
Ent. Value
38.08 M
Total Shares
50.16 M
Float Shares
26.95 M
Insiders
46.28%
Institutions
24.07%

Upcoming Catalysts

FDA decisions, readouts and PDUFA dates · scored by probability of approval

Catalyst Drug / Treatment Stage Prob. of Approval Description Drug Type Therapeutic Area Source
PDUFA
2026
Example Drug
Treatment for example condition requiring FDA review
Phase 3Small MoleculeOncology-
Unlock every RPID catalyst date and PoA score
Every FDA decision, readout and PDUFA date, with drug type, therapeutic area and a PoA score you can trade on.
Institutional-grade data · Cancel anytime
PoA blends historical approval base rates, trial design score and FDA review track record.

RPID Catalyst Timeline

Dated clinical, regulatory and corporate events for Rapid Micro Biosystems, Inc. Class A Common Stock

Unlock the full RPID catalyst timeline
Every PDUFA date, readout, approval and corporate move, tiered by market impact and updated daily.
Institutional-grade data · Cancel anytime

Past FDA Catalysts and PDUFA Decisions

How RPID actually traded into and out of each decision

Date Drug Catalyst Stage Reaction Event Move % Best Trade %
-Example Drug Phase 3 data readout Phase 3
Unlock all RPID historical catalysts
Institutional-grade data · Cancel anytime
Reaction: 30 trading days around the event · Event Move: close to close on decision day · Best Trade: peak run-up from entry 10 days before the decision

Drug Pipeline Intelligence

No drug pipeline

Rapid Micro Biosystems, Inc. Class A is a diagnostics company. The clinical trials it takes part in test other companies' drugs, so it has no drug pipeline of its own to score.

Clinical Trial Results

Readouts, endpoints and source filings for every RPID program

Drug Name Indication Phase Date Trial Results SummaryTitleSource
Example Drug Example indication for clinical evaluationPhase 32025-12-01The study met its primary endpoint demonstrating statistically significant improvement.Read MorePhase 3 Study Results AnnouncementRead More
Scroll for more · summaries link to the source press release
Unlock every RPID trial readout
Institutional-grade data · Cancel anytime

Inside Trades

Unlock RPID insider buying and selling
Monthly insider buys and sells against the stock price, with the insider sentiment reading.
Institutional-grade data · Cancel anytime
InsiderSideSharesPriceValueDate
Kollender Richard SDirectorOption 1,681 131,999 held$0.75 07/24/2026
Unlock the full RPID insider trade log
Institutional-grade data · Cancel anytime

Hedge Fund 13F Activity

Fund % of Portfolio Current MV Shares Owned Activity
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC 0.9 % (-47.1 %) 14.59 M 8.43 M
Unlock every fund holding RPID
Every 13F position with quarter over quarter share flow and average entry price.
Institutional-grade data · Cancel anytime
Unlock hedge fund flows in RPID
Shares held by hedge funds each quarter, and who bought or sold.

RPID Institutional Ownership Trends

RPID Short Interest

Shares sold short, counted twice a month.

3.17%
Short % of Float
of tradable shares sold short
854.0K
Shares Sold Short
-9.2% vs prior count
2.3 Moderate
Days to Cover
trading days of normal volume to buy every short share back
374.9K
Avg Daily Volume
the average used for days to cover
Unlock RPID short interest history
Two years of days to cover and shares sold short, with every count and its change.
Institutional-grade data · Cancel anytime

Options Data

Option Volume

Open Interest
Call OI
Put OI
Put-Call Ratio
OI 30-day avg
Today vs avg
Option Volume
Call Vol
Put Vol
Put-Call Ratio
Vol 30-day avg
Today vs avg

Option Chain Statistics

ExpiryCall VolPut VolVol P/CCall OIPut OIOI P/CIV CallIV Call OI-WtdIV Call Vol-WtdIV PutIV Put OI-WtdIV Put Vol-Wtd
Unlock RPID option chain statistics
Per-expiry call and put volume, open interest, put-call ratios and implied volatility.
Institutional-grade data · Cancel anytime

Real-Time Option Chain

CallsStrikePuts
LastVolOILastVolOI
No data available
Unlock the live RPID option chain
Live calls and puts by strike: last price, volume and open interest for every expiry.
Institutional-grade data · Cancel anytime

Calls vs Puts by Expiry

CallsPutsLog scale
Unlock RPID options analytics
Institutional-grade data · Cancel anytime

Competitive positioning

How RPID ranks across every disease it competes in

Competitive Position is a premium feature
See how RPID ranks against every competitor across each disease it develops in: phase, best drug, trials and likelihood of approval.
Start free trial

RPID News

-RPID
Oct 20, 2026
RPIDConferences/Events
▼ -0.2%today

Rapid Micro Biosystems to Participate at the PDA Pharmaceutical Microbiology Conference 2026

Rapid Micro Biosystems will sponsor the PDA Pharmaceutical Microbiology Conference 2026 in Washington, D.C. from October 26-28. The event will focus on advancements in microbial quality control, featuring the company's Growth Direct platform. CEO Robert Spignesi emphasized the importance of automation and data integrity in modernizing quality operations.

Read more →
-RPID
Sep 4, 2026
RPIDConferences/Events
▼ -6.9%on this news

Rapid Micro Biosystems to Participate in Upcoming Investor Conferences

Rapid Micro Biosystems (RPID) announced its participation in several upcoming investor conferences, including the Lake Street's Best Ideas Growth Conference and the Sidoti Small-Cap Virtual Conference. The company aims to engage with investors through one-on-one meetings and presentations. Rapid Micro's technology focuses on automating microbial quality control in healthcare manufacturing.

Read more →
-RPID
Aug 7, 2026
RPIDGeneral
▼ -16.8%on this news

Rapid Micro Biosystems Reports Second Quarter 2026 Financial Results

Rapid Micro Biosystems reported a total revenue of $8.1 million for Q2 2026, reflecting an 11% growth from the previous year. The company achieved a record gross margin of 15% and confirmed its full-year revenue guidance. Despite the positive growth, the company reported a net loss of $12.9 million, consistent with the same period last year.

Read more →
-RPID
Aug 4, 2026
RPIDGeneral

Rapid Micro Biosystems Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

Rapid Micro Biosystems announced the grant of 90,000 restricted stock units and a non-qualified stock option for a new employee as part of its Inducement Plan. The grants were approved by independent directors in accordance with Nasdaq Listing Rule 5635(c)(4). The stock option has an exercise price of $2.12 per share and will vest over a period, while the RSUs will vest annually over three years.

Read more →
-RPID
Jul 23, 2026
RPIDGeneral

Rapid Micro Biosystems to Announce Second Quarter 2026 Financial Results on August 7, 2026

Rapid Micro Biosystems will announce its second quarter 2026 financial results on August 7, 2026. The announcement will be accompanied by a webcast conference call at 8:30 a.m. ET, allowing stakeholders to engage with the management team. The company specializes in automation solutions for healthcare product manufacturing.

Read more →
-RPID
Jun 10, 2026
RPIDGeneral

Rapid Micro Biosystems Announces Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)

Rapid Micro Biosystems announced the grant of 60,000 restricted stock units (RSUs) to a new employee as an inducement for employment. This grant, approved under Nasdaq Listing Rule 5635(c)(4), is part of the company's strategy to attract talent. The RSUs will vest over three years, contingent on the employee's continued employment.

Read more →
-RPID
May 19, 2026
RPIDGeneral

Rapid Micro Biosystems Announces Pricing of Up to Approximately $32 Million Underwritten Offering

Rapid Micro Biosystems has announced the pricing of an underwritten offering of approximately $32 million, which includes shares of Class A common stock and accompanying warrants. The offering aims to raise about $9.8 million initially, with potential additional proceeds of $21.7 million if all warrants are exercised. The offering is expected to close on May 20, 2026, subject to customary conditions.

Read more →
-RPID
May 13, 2026
RPIDGeneral

Rapid Micro Biosystems Reports First Quarter 2026 Financial Results

Rapid Micro Biosystems reported a total revenue of $8.0 million for Q1 2026, an 11% increase from the previous year. Product revenue saw a significant rise of 36%, while recurring revenue grew by 28%. Despite these gains, the company experienced a net loss of $14.3 million, up from $11.3 million in Q1 2025. The company reaffirmed its full-year revenue guidance of $37 million to $41 million.

Read more →
-RPID
May 6, 2026
RPIDConferences/Events

Rapid Micro Biosystems to Announce First Quarter 2026 Financial Results on May 13, 2026

Rapid Micro Biosystems, Inc. will announce its first quarter 2026 financial results on May 13, 2026. Following the announcement, the management team will host a webcast conference call to discuss the results. The company specializes in automation solutions for the healthcare industry, particularly in microbial quality control testing.

Read more →
-RPID
Mar 12, 2026
RPIDGeneral
▼ -21.8%on this news· ran to -35% by day 1

Rapid Micro Biosystems Reports Record Fourth Quarter and Full Year 2025 Financial Results and Provides 2026 Guidance

Rapid Micro Biosystems reported strong financial performance for Q4 and the full year 2025, with quarterly revenue reaching $11.3 million, marking a 37% growth year-over-year. The company also forecasts continued growth in 2026, estimating total revenue between $37.0 million and $41.0 million, driven by additional Growth Direct system placements. However, despite these positive indicators, there were challenges including a net loss of $12.5 million in the fourth quarter and a decrease in gross margin percentage.

Read more →
-RPID
Feb 25, 2026
RPIDGeneral
▲ +6.3%on this news

Rapid Micro Biosystems to Announce Fourth Quarter and Full Year 2025 Financial Results on March 12, 2026

Rapid Micro Biosystems, Inc. will announce its fourth quarter and full year 2025 financial results on March 12, 2026. The announcement will be made prior to market opening, followed by a webcast conference call at 8:30 a.m. ET. The company specializes in automation solutions for the healthcare sector, enhancing manufacturing efficiency and safety.

Read more →
-RPID
Jan 14, 2026
RPIDGeneral
▲ +21.1%on this news· ran to +45% by day 3

Rapid Micro Biosystems Announces Record Preliminary Unaudited Fourth Quarter and Full Year 2025 Revenue

Rapid Micro Biosystems announced preliminary unaudited revenue results for Q4 and full year 2025, reporting record revenue of approximately $11.3 million for Q4, a 37% increase year-over-year. The full year revenue is expected to reach approximately $33.6 million, reflecting a 20% growth. The company attributes this success to strong demand for its Growth Direct systems and services.

Read more →
-RPID
Nov 7, 2025
RPIDGeneral
▲ +12.7%on this news· ran to +51% by day 3

Rapid Micro Biosystems Reports Third Quarter 2025 Financial Results Announces Record Multi-System Customer Order and Raises Full-Year Revenue and System Placement Guidance

Rapid Micro Biosystems has reported its third-quarter financial results for 2025, achieving a total revenue of $7.8 million, an increase of 3% over the same quarter last year. The company experienced significant growth in recurring revenue, up by 32%, and secured its largest multi-system customer order in history. As a result, Rapid Micro has raised its full-year revenue guidance to at least $33 million. However, the company reported a net loss of $11.5 million, slightly exceeding last year's loss, with a gross margin improvement to 9%. Despite the losses, the overall outlook remains positive due to increased demand and innovative product placements.

Read more →
-RPID
Aug 12, 2025
RPIDGeneral
▼ -17.8%on this news

Rapid Micro Biosystems Reports Second Quarter 2025 Financial Results

Rapid Micro Biosystems reported its second quarter 2025 financial results, revealing a total revenue of $7.3 million, a 10% increase from the previous year. Recurring revenue showed a robust 15% growth, alongside a notable improvement in gross margin at 4%. The company announced a five-year, $45 million term loan facility, which enhances its financial stability and supports future growth initiatives. Despite these positive metrics, the company continues to face challenges, with a net loss of $11.9 million.

Read more →
-RPID
Jun 17, 2025
RPIDGeneral

Dear RMB Team Members and Shareholders I am writing on a personal note to let you know that I was recently diagnosed with a treatable form of Lymphoma. The good news is that I have an excellent care team and my doctors h

The CEO of RMB has announced a personal health update, revealing a recent diagnosis of a treatable form of Lymphoma. Despite limiting in-person office time during the expected four-month treatment, the CEO plans to actively manage business operations. The leadership team and board have expressed full support, and the CEO remains optimistic about the company’s continued performance and patient care initiatives.

Read more →
-RPID
May 9, 2025
RPIDGeneral
▲ +25.7%on this news

Rapid Micro Biosystems Reports First Quarter 2025 Financial Results

Rapid Micro Biosystems reported strong first-quarter financial results for 2025, with total revenue reaching $7.2 million, a 28% increase from the previous year. The company announced significant gross margin improvements and record service revenue driven by enhanced validation activities. A distribution agreement with Merck KGaA was also highlighted as a key development. However, the company continues to face challenges, including ongoing net losses.

Read more →
-RPID
Mar 4, 2025
RPIDConferences/Events

rpidxpresentation Rapid Micro Biosystems TD Cowen 45th Annual Health Care Conference Robert Spignesi, President & CEO

At the TD Cowen 45th Annual Health Care Conference, Rapid Micro Biosystems discussed their forward-looking strategies and impressive growth metrics. The company announced a 25% increase in total revenue for FY 2024, achieving a record for quarterly and yearly performance. They highlighted successful collaborations with Merck KGaA (MilliporeSigma) and Lonza, aimed at expanding their products into new markets. Despite these successes, the company acknowledged ongoing financial challenges and emphasized their commitment to achieving positive cash flow by the end of 2027.

Read more →
-RPID
Feb 27, 2025
RPIDGeneral
▲ +22.1%on this newsshared move

Rapid Micro Biosystems Announces Global Distribution and Collaboration Agreement with the Life Science business of Merck KGaA, Darmstadt, Germany

Rapid Micro Biosystems has entered a five-year global distribution and collaboration agreement with Merck KGaA's Life Science business. This partnership grants Merck co-exclusive rights to sell Growth Direct systems, enhancing Rapid Micro's commercial reach in various sectors including pharmaceuticals and food. The agreement aims to explore cost efficiencies and joint product development. It positions both companies to maximize their market offerings and accelerate innovation in manufacturing quality control.

Read more →
-RPID
Jan 16, 2025
RPIDConferences/Events
▼ -5.1%on this news

rpidxpresentation Rapid Micro Biosystems 43rd Annual J.P. Morgan Healthcare Conference Rob Spignesi, President & CEO

At the 43rd Annual J.P. Morgan Healthcare Conference, Rapid Micro Biosystems presented strong financial results, highlighting a revenue increase of approximately 30% in Q4 2024 and 25% for the full year. The company noted over 160 cumulative placements of its Growth Direct systems and a shift to positive gross margins for the last two quarters. CEO Rob Spignesi emphasized ongoing efforts to drive sustainable long-term growth and announced a significant collaboration with Lonza aimed at enhancing microbial quality control processes across the industry. However, the company continues to face challenges including achieving its business objectives and managing substantial historical losses.

Read more →

About Rapid Micro Biosystems, Inc. Class A Common Stock

Lexington, MA 171 employees rapidmicrobio.com
Headquarters25 HARTWELL AVENUE, LEXINGTON, MA, 02421
BIOPHARMAWATCH ELITE PLUS
Trade the next RPID catalyst before the market reprices
Every FDA decision, PoA score, 13F move and dilution flag on this page, for 1,100+ biotech tickers. From $19/mo billed annually.
Cancel anytime