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Insider Trading

ALPN Stock Insider Trading Activity

Corporate insiders are required to disclose purchases or sales of their own stock within two business days of when they occur. Using these disclosures, we collect data on ALPN stock insider trading activity, which can give hints on whether executives are bullish or bearish on their own company.

Recent insider purchases and sales - ALPN

Name / Title Purchase / Sale Shares Date Disclosed (EST)
Topper James N
Sale 19 Apr 25, 2024 April 29, 2024, 4:32 p.m.
Rickey James Paul See Remarks
Sale 236 Jan 25, 2024 Jan. 29, 2024, 8:04 p.m.
Rickey James Paul See Remarks
Sale 44000 Jan 26, 2024 Jan. 29, 2024, 8:04 p.m.
Rickey James Paul See Remarks
Sale 73764 Jan 26, 2024 Jan. 29, 2024, 8:04 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 1016 Dec 28, 2023 Dec. 29, 2023, 8:32 p.m.
Thompson Peter A.
Sale 18922 Dec 27, 2023 Dec. 29, 2023, 5:20 p.m.
Thompson Peter A.
Sale 26872 Dec 28, 2023 Dec. 29, 2023, 5:20 p.m.
Thompson Peter A.
Sale 162576 Dec 27, 2023 Dec. 29, 2023, 5:20 p.m.
Thompson Peter A.
Sale 139166 Dec 28, 2023 Dec. 29, 2023, 5:20 p.m.
Thompson Peter A.
Sale 1195683 Dec 28, 2023 Dec. 29, 2023, 5:20 p.m.
Thompson Peter A.
Sale 3128 Dec 28, 2023 Dec. 29, 2023, 5:20 p.m.
ORBIMED ADVISORS LLC
Sale 18922 Dec 27, 2023 Dec. 29, 2023, 5:18 p.m.
ORBIMED ADVISORS LLC
Sale 162576 Dec 27, 2023 Dec. 29, 2023, 5:18 p.m.
ORBIMED ADVISORS LLC
Sale 1195683 Dec 28, 2023 Dec. 29, 2023, 5:18 p.m.
ORBIMED ADVISORS LLC
Sale 139166 Dec 28, 2023 Dec. 29, 2023, 5:18 p.m.
ORBIMED ADVISORS LLC
Sale 26872 Dec 28, 2023 Dec. 29, 2023, 5:18 p.m.
ORBIMED ADVISORS LLC
Sale 3128 Dec 28, 2023 Dec. 29, 2023, 5:18 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 24486 Dec 26, 2023 Dec. 27, 2023, 10:07 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 29573 Dec 27, 2023 Dec. 27, 2023, 10:07 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 37825 Dec 22, 2023 Dec. 27, 2023, 10:07 p.m.
Rickey James Paul See Remarks
Sale 15213 Dec 19, 2023 Dec. 21, 2023, 8:35 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 2402 Dec 19, 2023 Dec. 21, 2023, 8:34 p.m.
Rickey James Paul See Remarks
Sale 11600 Dec 14, 2023 Dec. 18, 2023, 10:20 p.m.
Rickey James Paul See Remarks
Sale 1800 Dec 18, 2023 Dec. 18, 2023, 10:20 p.m.
Rickey James Paul See Remarks
Sale 45387 Dec 15, 2023 Dec. 18, 2023, 10:20 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 68870 Dec 11, 2023 Dec. 12, 2023, 10:02 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 8613 Dec 12, 2023 Dec. 12, 2023, 10:02 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 32450 Dec 12, 2023 Dec. 12, 2023, 10:02 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 8067 Dec 08, 2023 Dec. 12, 2023, 10:02 p.m.
Rickey James Paul See Remarks
Sale 63947 Dec 04, 2023 Dec. 6, 2023, 8:31 p.m.
Rickey James Paul See Remarks
Sale 6446 Dec 06, 2023 Dec. 6, 2023, 8:31 p.m.
Rickey James Paul See Remarks
Sale 418 Dec 05, 2023 Dec. 6, 2023, 8:31 p.m.
Rickey James Paul See Remarks
Sale 700 Nov 30, 2023 Dec. 1, 2023, 6 p.m.
Decheng Capital Global Healthcare Fund (Master), LP
Purchase 375000 Nov 09, 2023 Nov. 14, 2023, 7:14 p.m.
Rickey James Paul See Remarks
Sale 18003 Nov 06, 2023 Nov. 8, 2023, 6:20 p.m.
Frazier Life Sciences VIII, L.P.
Purchase 112665 Feb 11, 2022 Feb. 14, 2022, 8 p.m.
Rickey James Paul Senior VP and CFO
Sale 17013 Dec 31, 2021 Jan. 4, 2022, 6:40 p.m.
Peetz Christopher
Sale 1900 Sep 23, 2021 Sept. 23, 2021, 8 p.m.
CONWAY ROBERT E
Sale 15000 Sep 23, 2021 Sept. 23, 2021, 8 p.m.
CONWAY ROBERT E
Purchase 10000 Sep 21, 2021 Sept. 22, 2021, 8 p.m.
Thompson Peter A.
Purchase 425531 Sep 17, 2021 Sept. 20, 2021, 8 p.m.
Cui Xiangmin
Purchase 1542553 Sep 17, 2021 Sept. 20, 2021, 8 p.m.
Venkatesan Jay
Sale 400000 Sep 17, 2021 Sept. 20, 2021, 8 p.m.
ORBIMED ADVISORS LLC
Purchase 585106 Sep 17, 2021 Sept. 20, 2021, 8 p.m.
ORBIMED ADVISORS LLC
Purchase 425531 Sep 17, 2021 Sept. 20, 2021, 8 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 400000 Sep 17, 2021 Sept. 20, 2021, 8 p.m.
GOLD MITCHELL Executive Chairman and CEO
Sale 45262 Sep 17, 2021 Sept. 20, 2021, 8 p.m.
Thompson Peter A.
Purchase 585106 Sep 17, 2021 Sept. 20, 2021, 8 p.m.
Decheng Capital China Life Sciences USD Fund III, L.P.
Purchase 1542553 Sep 17, 2021 Sept. 20, 2021, 8 p.m.
Alpine ImmunoSciences, L.P.
Sale 400000 Sep 17, 2021 Sept. 20, 2021, 8 p.m.