Insider NameBuy/SellCompany NameTickerAmountShares Change
Jun 24, 2025Jun 26, 2025Topper James N
Dir
BuyNewamsterdam Pharma Co N.V.NAMS$18.38$69,466+0.06%
Jun 16, 2025Jun 18, 2025Topper James N
Dir
BuyNewamsterdam Pharma Co N.V.NAMS$19.5$167,381+0.13%
May 21, 2025May 23, 2025Topper James N
Dir
BuyPhathom Pharmaceuticals, Inc.PHAT$3.86$14,609+0.06%
May 13, 2025May 15, 2025Topper James N
Dir
BuyPhathom Pharmaceuticals, Inc.PHAT$3.3$24,462+0.13%
May 09, 2025May 13, 2025Topper James N
Dir
BuyPhathom Pharmaceuticals, Inc.PHAT$3.17$152,917+0.81%
Mar 26, 2025Mar 28, 2025Topper James N
Dir
BuyNewamsterdam Pharma Co N.V.NAMS$22.49$25,521+0.02%
Mar 04, 2025Mar 06, 2025Topper James N
Dir
BuyNewamsterdam Pharma Co N.V.NAMS$21.02$84,203+0.06%
Apr 25, 2024Apr 29, 2024Topper James N
Dir
SellAlpine Immune Sciences, Inc.ALPN$64.57$1,227-0.00%
Mar 26, 2024Mar 28, 2024Topper James N
Dir
BuyNewamsterdam Pharma Co N.V.NAMS$21.5$181,224+0.12%
Dec 11, 2020Dec 11, 2020Topper James N
CEO
BuyFrazier Lifesciences Acquisition CorpFLAC$10$10M+50.00%
Jan 18, 2019Jan 22, 2019Topper James N
Dir
10%
BuyAlpine Immune Sciences, Inc.ALPN$5.37$2M+12.65%
Sep 28, 2018Oct 03, 2018Topper James N
Dir
10%
BuyEntasis Therapeutics Holdings Inc.ETTX$15$6M+21.78%
Jun 25, 2018Jun 26, 2018Topper James N
Dir
10%
BuyAptinyx Inc.APTX$16$2M+4.49%
Nov 06, 2017Nov 07, 2017Topper James N
Dir
10%
BuyAllena Pharmaceuticals, Inc.ALNA$14$7M+13.05%
Feb 14, 2017Feb 16, 2017Topper James N
Dir
10%
BuySierra Oncology, Inc.SRRA$1.35$8M+42.21%
Jan 31, 2017Jan 31, 2017Topper James N
Dir
10%
BuyAnaptysbio IncANAB$15$6M+57.32%
Jul 21, 2015Jul 21, 2015Topper James N
Dir
BuyPronai Therapeutics IncDNAI$17$4M+9.14%
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