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ADVERUM BIOTECHNOLOGIES INC (ADVM) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:ADVM - US00773U2078 - Common Stock

4.36 USD
+0.1 (+2.35%)
Last: 12/8/2025, 8:00:00 PM
4.6 USD
+0.24 (+5.5%)
After Hours: 12/8/2025, 8:00:00 PM
ADVM Ownership Chart.ADVM Ownership Chart: showing Insider, Institutional ownership and shares available to the public.ADVM Ownership.InsiderInstitutionalPublic



Shares Outstanding22.08M
Float14.70M
Float Short Interest Percentage4.8%
Owners (insider)11.52%
Owners (institutional)52.99%
Owners (insider) change-114.5%
Owners (institutional) change0.32%
ADVM Institutional Ownership HistoryADVM Institutional Ownership HistoryADVM Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M
ADVM Historical Insider Transactions ChartADVM Historical Insider Buy and Sell Transactions ChartADVM Historical Insider Transactions Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 0 -5M -10M
Date Name Type Shares Price Amount
Dec 9, 2025 Frazier Life Sciences Public Fund, L.P. Other Disposition 4288949 3.56 $ 15,268,658.44
Dec 9, 2025 FHMLSP, L.P. Other Disposition 4288949 3.56 $ 15,268,658.44
Dec 9, 2025 FHMLSP, L.L.C. Other Disposition 4288949 3.56 $ 15,268,658.44
Dec 9, 2025 Fischer Laurent Option Excercise 150000 4.20 $ 630,000.00
Dec 9, 2025 Fischer Laurent Other Disposition 899179 $ 0.00
Dec 9, 2025 Fischer Laurent Grant 500000 0.00 $ 0.00
Dec 9, 2025 Soparkar Peter Other Disposition 250647 $ 0.00
Dec 9, 2025 Soparkar Peter Grant 150000 0.00 $ 0.00
Dec 9, 2025 Ozden Rabia Gurses Other Disposition 93125 $ 0.00
Dec 9, 2025 Ozden Rabia Gurses Grant 85000 0.00 $ 0.00
Dec 9, 2025 Seyedkazemi Setareh Other Disposition 151331 $ 0.00
Dec 9, 2025 Seyedkazemi Setareh Grant 85000 0.00 $ 0.00
Dec 9, 2025 Rubinstein Linda M Option Excercise 48750 4.20 $ 204,750.00
Dec 9, 2025 Rubinstein Linda M Other Disposition 111275 $ 0.00
Dec 9, 2025 Rubinstein Linda M Grant 42000 0.00 $ 0.00
Dec 5, 2025 Fischer Laurent Open Market Purchase 128699 4.30 $ 553,916.74
Dec 5, 2025 Soparkar Peter Open Market Purchase 50000 4.22 $ 211,000.00
Dec 4, 2025 Leonard Braden Michael Open Market Sale 524560 4.19 $ 2,200,371.83
Dec 1, 2025 Leonard Braden Michael Open Market Sale 574886 4.19 $ 2,407,833.45
May 15, 2025 Soparkar Peter Open Market Sale 2960 2.00 $ 5,920.00
May 15, 2025 Seyedkazemi Setareh Open Market Sale 924 2.00 $ 1,848.00
May 15, 2025 Fischer Laurent Open Market Sale 9126 2.00 $ 18,252.00
Apr 22, 2025 Leonard Braden Michael Open Market Purchase 350000 3.00 $ 1,048,950.00
Mar 31, 2025 Leonard Braden Michael Open Market Purchase 34775 4.23 $ 147,075.63
Mar 26, 2025 Leonard Braden Michael Open Market Purchase 37000 5.11 $ 188,930.54
Mar 18, 2025 Leonard Braden Michael Open Market Purchase 117941 4.98 $ 587,574.62
Feb 26, 2025 Leonard Braden Michael Open Market Purchase 336756 4.27 $ 1,439,087.09
Feb 25, 2025 Soparkar Peter Grant 13125 0.00 $ 0.00
Feb 25, 2025 Ozden Rabia Gurses Grant 8125 0.00 $ 0.00
Feb 25, 2025 Seyedkazemi Setareh Grant 8125 0.00 $ 0.00
Feb 25, 2025 Fischer Laurent Grant 25000 0.00 $ 0.00
Feb 25, 2025 Rubinstein Linda M Grant 8125 0.00 $ 0.00