tiprankstipranks
TipRanksTop Financial ExpertsInsidersLawrence Alleva

Lawrence Alleva Insider Profile

11 Followers
Lawrence Alleva, Director at Obsidian Therapeutics, holds 0.00 shares in Obsidian Therapeutics (Ticker: OBX), holds 13.34K shares in Bright Horizons (Ticker: BFAM), holds 0.00 shares in Mersana Therapeutics (Ticker: MRSN).
See the Hottest Stocks Based on Insider Trading >
tipranks
Lawrence Alleva

Lawrence Alleva
Obsidian Therapeutics (OBX)
Director

Ranked #98,837 out of 108,921 Corporate Insiders

Profitable Transactions

22%
2 out of 9 Profitable Transactions

Average Return

-29.00%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$940K
99.64%
0.36%
0.00%
0.00%
A breakdown of Lawrence Alleva's holdings
See the Top Stocks by Insiders

Insider Roles

Bright Horizons
(BFAM)
Director
Adaptimmune Therapeutics
(ADAPY)
Director
Obsidian Therapeutics
(OBX)
Director
Synlogic
(SYBX)
Director
Roles that Lawrence Alleva holds in companies
See the Top Corporate Insiders

Most Profitable Insider Trade

Stock:
Tesaro
(TSRO)
Rating:Informative Buy
Date:Sep 30, 2014 - Sep 30, 2015
Return:+48.90%
The most profitable trade made by Lawrence Alleva
See the Latest Stocks Traded by Insiders

Lawrence Alleva's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
OBX
Obsidian Therapeutics
Aug 05, 2026
Director
Uninformative Sell
―
$0.00
TSRO
Tesaro
Jan 22, 2019
―
Uninformative Sell
2.24M
$0.00
BFAM
Bright Horizons
Jun 05, 2026
Director
Uninformative Buy
―
$936.85K
ADAPY
Adaptimmune Therapeutics
Jun 11, 2020
Director
Informative Buy
24.38K
$3.40K
SYBX
Synlogic
―
Director
―
―
MRSN
Mersana Therapeutics
Jan 06, 2026
―
Uninformative Sell
―
$0.00
List of latest transactions for each holding click on a transaction to see Lawrence Alleva's performance on stock
See All Insider Trading from Today

You May Also Like

Meet our Smart Portfolio. See what top analysts say about your stocks.Get a breakdown of the different strategies based on detected insider trading activity.Find the best performing Analyst in each sector. Follow them so you never miss a recommendation.

Lawrence Alleva insider profile FAQ

What is the percentage of profitable transactions made by Lawrence Alleva?
The percentage of profitable transactions made by Lawrence Alleva is 22%.
    What is the average return per transaction made by Lawrence Alleva?
    The average return per transaction made by Lawrence Alleva is -29.00%.
      What stocks does Lawrence Alleva hold?
      Lawrence Alleva holds: OBX, TSRO, BFAM, ADAPY, SYBX, MRSN stocks.
        What was Lawrence Alleva’s latest transaction?
        Lawrence Alleva latest transaction was an Uninformative Sell of ―.
          What was Lawrence Alleva's most profitable transaction?
          Lawrence Alleva’s most profitable transaction was an Informative Buy of TSRO stock on September 30, 2014. The return on the trade was 48.90%.
            What is Lawrence Alleva's role in Obsidian Therapeutics?
            Lawrence Alleva's role in Obsidian Therapeutics 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.