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Richard Kollender Insider Profile

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Richard Kollender, Director at Rapid Micro Biosystems, holds 133.83K shares in Rapid Micro Biosystems (Ticker: RPID), holds 234.23K shares in Strongbridge Biopharma (Ticker: SBBP), holds 590.43K shares in Celator Pharmaceuticals (Ticker: CLPM).
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Richard Kollender

Richard Kollender
Rapid Micro Biosystems (RPID)
Director

Ranked #22,637 out of 108,921 Corporate Insiders

Profitable Transactions

50%
1 out of 2 Profitable Transactions

Average Return

+132.20%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$3M
95.14%
4.86%
A breakdown of Richard Kollender's holdings
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Insider Roles

Insmed
(INSM)
Director
Rapid Micro Biosystems
(RPID)
Director
Roles that Richard Kollender holds in companies
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Most Profitable Insider Trade

Stock:
Rapid Micro Biosystems
(RPID)
Rating:Informative Buy
Date:Aug 07, 2024 - Aug 07, 2025
Return:+346.60%
The most profitable trade made by Richard Kollender
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Richard Kollender's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
RPID
Rapid Micro Biosystems
Jul 24, 2026
Director
Uninformative Buy
2.63K
$161.93K
SBBP
Strongbridge Biopharma
Oct 05, 2021
―
Uninformative Sell
133.47K
$468.46K
CLPM
Celator Pharmaceuticals
Jul 13, 2016
―
Uninformative Sell
59.47M
$17.85M
INSM
Insmed
Nov 01, 2013
Director
Uninformative Buy
―
$3.17M
~PATH
Nupathe Inc
Feb 24, 2014
―
Uninformative Sell
19.47M
―
List of latest transactions for each holding click on a transaction to see Richard Kollender's performance on stock
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Richard Kollender insider profile FAQ

What is the percentage of profitable transactions made by Richard Kollender?
The percentage of profitable transactions made by Richard Kollender is 50%.
    What is the average return per transaction made by Richard Kollender?
    The average return per transaction made by Richard Kollender is 132.20%.
      What stocks does Richard Kollender hold?
      Richard Kollender holds: RPID, SBBP, CLPM, INSM, ~PATH stocks.
        What was Richard Kollender’s latest transaction?
        Richard Kollender latest transaction was an Uninformative Buy of $2.63K.
          What was Richard Kollender's most profitable transaction?
          Richard Kollender’s most profitable transaction was an Informative Buy of RPID stock on August 7, 2024. The return on the trade was 346.60%.
            What is Richard Kollender's role in Rapid Micro Biosystems?
            Richard Kollender's role in Rapid Micro Biosystems is Director.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.