NASDAQ:PRTA

Prothena Insider Trades

$24.85
-0.80 (-3.12 %)
(As of 04/16/2021 12:00 AM ET)
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Today's Range
$24.40
Now: $24.85
$25.96
50-Day Range
$20.62
MA: $23.62
$28.24
52-Week Range
$9.25
Now: $24.85
$28.66
Volume216,439 shs
Average Volume460,158 shs
Market Capitalization$994.15 million
P/E RatioN/A
Dividend YieldN/A
Beta1.71

Insider Trades

Prothena (NASDAQ:PRTA) Insider Buying and Selling Activity

Insider Ownership Percentage: 30.40%
Insider Buying (Last 12 Months): $19,090,870.00
Insider Selling (Last 12 Months): $192,270.00

Insider Buying and Selling by Quarter


Prothena (NASDAQ PRTA) Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/24/2021Ecor1 Capital, LlcMajor ShareholderBuy875,000$20.75$18,156,250.00  
2/23/2021Ecor1 Capital, LlcMajor ShareholderBuy44,400$21.05$934,620.00  
2/18/2021Wagner M ZagoInsiderSell7,540$25.50$192,270.007,540  
10/2/2017Dennis J SelkoeDirectorSell3,500$64.17$224,595.00  
9/28/2017Christopher S HenneyDirectorSell900$70.00$63,000.00900  
9/28/2017Gene G KinneyInsiderSell2,800$70.00$196,000.005,593  
9/27/2017Tara NickersonInsiderSell4,724$69.05$326,192.206,724  
9/25/2017Tara NickersonInsiderSell17,500$63.60$1,113,000.0019,500  
7/17/2017Karin L WalkerInsiderSell5,000$64.89$324,450.005,000  
7/7/2017Dennis J SelkoeDirectorSell3,500$58.11$203,385.006,345  
4/17/2017Karin L WalkerInsiderSell5,000$52.25$261,250.003,000  
4/3/2017Dennis J SelkoeDirectorSell3,500$55.86$195,510.006,345  
3/9/2017Tran NguyenCFOBuy1,000$51.32$51,320.003,200  
1/4/2017Arthur W HomanInsiderSell3,125$52.25$163,281.25413  
11/28/2016Dennis J SelkoeDirectorSell5,000$62.42$312,100.007,845  
11/9/2016Gene G KinneyInsiderSell8,548$55.32$472,875.3611,341  
10/21/2016Gene G KinneyInsiderSell20,619$55.10$1,136,106.9017,578  
10/13/2016Karin L WalkerInsiderSell5,000$54.23$271,150.003,000  
9/19/2016Karin L WalkerInsiderSell12,000$61.10$733,200.007,000  
9/1/2016Arthur W HomanInsiderSell3,125$52.16$163,000.003,125  
7/20/2016Arthur W HomanInsiderSell9,375$52.14$488,812.509,375  
5/24/2016Dennis J SelkoeDirectorSell5,000$45.00$225,000.003,025  
4/13/2016Karin L WalkerInsiderSell4,000$45.11$180,440.002,000  
4/4/2016Dennis J SelkoeDirectorSell5,000$45.00$225,000.007,845  
1/13/2016Karin L. WalkerinsiderSell4,000$50.96$203,840.00  
12/9/2015Tara NickersoninsiderSell10,000$66.17$661,700.002,000  
12/9/2015Tran NguyenCFOSell30,000$66.17$1,985,100.002,200  
12/1/2015Dennis J. SelkoeDirectorSell3,125$68.74$214,812.502,845  
11/27/2015Christopher S. HenneyDirectorSell5,000$75.00$375,000.00  
11/25/2015Lars EkmanDirectorSell30,000$73.35$2,200,500.00243  
11/13/2015Martin KollerinsiderSell30,000$65.03$1,950,900.00  
11/2/2015Arthur W. HomaninsiderSell3,125$52.14$162,937.50  
10/29/2015Christopher S. HenneyDirectorSell5,000$55.00$275,000.00  
9/9/2015Tara NickersoninsiderSell10,000$56.06$560,600.002,000  
9/2/2015Martin KollerinsiderSell30,000$55.56$1,666,800.00  
9/1/2015Dennis J. SelkoeDirectorSell3,125$55.45$173,281.252,845  
8/20/2015Dale B. SchenkCEOSell30,000$56.65$1,699,500.003,333  
8/12/2015Karin L WalkerInsiderSell7,000$62.06$434,420.00  
6/9/2015Tara NickersonInsiderSell12,000$44.41$532,920.00  
3/20/2015Tara NickersonInsiderSell13,000$39.99$519,870.00  
3/9/2015Dennis J SelkoeDirectorSell3,125$25.56$79,875.00  
8/12/2014Karin L WalkerInsiderSell2,500$20.74$51,850.00  
8/7/2014Arthur W HomanInsiderBuy2,000$19.12$38,240.00  
6/6/2014Karin L WalkerInsiderSell8,000$21.58$172,640.00  
5/12/2014Dale SchenkCEOBuy8,000$20.79$166,320.008,161  
5/12/2014Tara NickersonInsiderBuy1,656$21.00$34,776.002,000  
5/9/2014Gene KinneyInsiderBuy2,500$19.54$48,850.002,793  
5/9/2014Tran NguyenCFOBuy2,200$19.61$43,142.002,200  
2/3/2014Co Plc Perrigomajor shareholderSell3,182,253$24.96$79,429,034.88  
(Data available from 1/1/2013 forward)
This page was last updated on 4/16/2021 by MarketBeat.com Staff
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