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Insider NameBuy/SellCompany NameTickerAmountShares Change
Dec 28, 2023Dec 30, 2023Gold Mitchell
Exec COB
CEO
SellAlpine Immune Sciences, Inc.ALPN$20.04$20,362-0.04%
Dec 22, 2023Dec 28, 2023Gold Mitchell
Exec COB
CEO
SellAlpine Immune Sciences, Inc.ALPN$20.25$2M-3.41%
Dec 19, 2023Dec 22, 2023Gold Mitchell
Exec COB
CEO
SellAlpine Immune Sciences, Inc.ALPN$20.01$48,064-0.09%
Dec 08, 2023Dec 13, 2023Gold Mitchell
Exec COB
CEO
SellAlpine Immune Sciences, Inc.ALPN$17.27$2M-4.34%
Sep 17, 2021Sep 21, 2021Gold Mitchell
Exec COB
CEO
10%
SellAlpine Immune Sciences, Inc.ALPN$9.46$4M-14.11%
Sep 15, 2021Sep 17, 2021Gold Mitchell
Exec COB
CEO
10%
SellAlpine Immune Sciences, Inc.ALPN$10$102,536-0.32%
Jun 25, 2021Jun 29, 2021Gold Mitchell
Exec COB
CEO
10%
SellAlpine Immune Sciences, Inc.ALPN$10.01$129,657-0.41%
May 19, 2021May 21, 2021Gold Mitchell
Exec COB
CEO
10%
SellAlpine Immune Sciences, Inc.ALPN$15.03$784,233-1.62%
May 12, 2021May 14, 2021Gold Mitchell
Exec COB
CEO
10%
SellAlpine Immune Sciences, Inc.ALPN$11.6$232,011-0.62%
Apr 13, 2021Apr 15, 2021Gold Mitchell
Exec COB
CEO
10%
SellAlpine Immune Sciences, Inc.ALPN$10.3$205,914-0.61%
Mar 04, 2021Mar 08, 2021Gold Mitchell
Exec COB
CEO
10%
SellAlpine Immune Sciences, Inc.ALPN$13$259,983-0.61%
Feb 01, 2021Feb 03, 2021Gold Mitchell
Exec COB
CEO
10%
SellAlpine Immune Sciences, Inc.ALPN$12.3$246,046-0.60%
Jan 18, 2019Jan 23, 2019Gold Mitchell
Exec COB
CEO
10%
BuyAlpine Immune Sciences, Inc.ALPN$5.37$1M+4.55%