Portolan Capital Management, LLC STAMPS.COM, INC. Transaction History

Portolan Capital Management, LLC

  • $1.26 Billion
  • Q3 2024

Shares

12 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2021

Aug 16, 2021
SELL
N/A
-21,147 Closed
0 $0
Q1 2021

May 17, 2021
SELL
N/A
-78,968 Reduced 78.88%
21,147 $4.22 Million
Q4 2020

Feb 16, 2021
BUY
N/A
59,289 Added 145.22%
100,115 $19.6 Million
Q3 2020

Nov 16, 2020
BUY
N/A
40,826 New
40,826 $9.84 Million
Q2 2019

Aug 14, 2019
SELL
N/A
-4,966 Closed
0 $0
Q1 2019

May 15, 2019
SELL
N/A
-89,587 Reduced 94.75%
4,966 $404,000
Q4 2018

Feb 13, 2019
BUY
N/A
12,145 Added 14.74%
94,553 $14.7 Million
Q3 2018

Nov 14, 2018
BUY
N/A
9,259 Added 12.66%
82,408 $18.6 Million
Q2 2018

Aug 14, 2018
SELL
N/A
-15,222 Reduced 17.23%
73,149 $18.5 Million
Q1 2018

May 14, 2018
BUY
N/A
32,219 Added 57.38%
88,371 $17.8 Million
Q4 2017

Feb 14, 2018
BUY
N/A
36,909 Added 191.8%
56,152 $10.6 Million
Q3 2017

Nov 14, 2017
BUY
N/A
19,243
19,243 $3.9 Million
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