Christophe Arbet-Engels

Insider Reports History

Location
Gaithersburg, MD
Signature
/s/ Gregory Weaver, as Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Christophe Arbet-Engels:

Company Role Class Num Shares Value Price $ Report Date Ownership
X4 Pharmaceuticals, Inc Chief Medical Officer Common Stock 864,207 $392,350 $0.4540 12 Feb 2025 Direct
Altimmune, Inc. Chief Medical Officer Stock Options (option to buy) 450,000 01 Oct 2025 Direct
X4 Pharmaceuticals, Inc Chief Medical Officer Stock Appreciation Right 180,816 13 Feb 2024 Direct
Altimmune, Inc. Chief Medical Officer Restricted Stock Units 150,000 01 Oct 2025 Direct

Insider Reports Filed by Christophe Arbet-Engels

Symbol Company Period Transactions Value $ Form Type Role Filing Time
ALT Altimmune, Inc. 01 Oct 2025 2 $0 4 Chief Medical Officer 03 Oct 2025, 16:23
ALT Altimmune, Inc. 01 Oct 2025 0 $0 3 Chief Medical Officer 03 Oct 2025, 16:21
XFOR X4 Pharmaceuticals, Inc 12 Feb 2025 1 $0 4 Chief Medical Officer 14 Feb 2025, 16:09
XFOR X4 Pharmaceuticals, Inc 23 Jan 2025 2 -$5,284 4 Chief Medical Officer 27 Jan 2025, 18:15
XFOR X4 Pharmaceuticals, Inc 13 Feb 2024 1 $0 4/A Chief Medical Officer 28 Feb 2024, 17:52
XFOR X4 Pharmaceuticals, Inc 13 Feb 2024 1 $0 4 Chief Medical Officer 16 Feb 2024, 17:11
XFOR X4 Pharmaceuticals, Inc 31 Aug 2023 1 +$1,600,000 4 Chief Medical Officer 05 Sep 2023, 16:15
XFOR X4 Pharmaceuticals, Inc 16 Aug 2023 0 $0 3 Chief Medical Officer 16 Aug 2023, 16:16