8-K filed December 9, 2025, 6:59 PM ET CIK 0001501756

M&A confidence high sentiment neutral materiality 1.00

Adverum Biotech acquired by Eli Lilly; tender offer closes, merger completed

Adverum Biotechnologies, Inc.

64% of shares tendered; $3.56/share cash plus CVRs worth up to $8.91/share.
Merger completed under DGCL Section 251(h); Adverum becomes wholly owned Lilly subsidiary.
All incumbent directors and officers removed; new board and officers from Lilly appointed.
Shares to be delisted from Nasdaq and registration terminated under SEC Form 25 and Form 15.
Company charter and bylaws amended and restated effective at merger close.

item 2.01 item 3.01 item 3.03 item 5.01 item 5.02 item 5.03 item 9.01

Machine-readable event card

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cik: 0001501756
company_name: Adverum Biotechnologies, Inc.
filed_at: 2025-12-09T23:59:59+00:00
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Source-grounded claims

30a707967d3ff82c88ece1011b3b75bdf7a48a31

Adverum Biotechnologies, Inc.: Bylaws amended and restated in their entirety.

Pursuant to the terms of the Merger Agreement, at the Effective Time, the Company’s certificate of incorporation and bylaws were each amended and restated in their entirety.

SEC 8-K Item 5.03/5.05/5.06 confidence 0.9 SEC evidence

786d7fb54ca520b7e8ae07682cfb3db65e287058

Adverum Biotechnologies, Inc.: Certificate of incorporation amended and restated in its entirety.

Pursuant to the terms of the Merger Agreement, at the Effective Time, the Company’s certificate of incorporation and bylaws were each amended and restated in their entirety.

SEC 8-K Item 5.03/5.05/5.06 confidence 0.9 SEC evidence

08518d1e01bc5ea58a6f3f14680c28823c3b025f

Adverum Biotechnologies, Inc. underwent a change of control involving Eli Lilly and Company for $3.56 per Share in cash plus contingent value rights (closed 2025-12-09).

to purchase all of the issued and outstanding shares (the “Shares”) of the Company’s common stock, par value $0.0001 per share (the “Company Common Stock”) in exchange for (i) $3.56 per Share, net to the stockholder in cash, without interest (the “Closing Amount”) and less any applicable tax withholding, plus (ii) one non-tradable contingent value right

SEC 8-K Item 2.01/5.01 confidence 0.9 SEC evidence

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Pursuant to the terms of the Merger Agreement, at the Effective Time, the Company’s certificate of incorporation and bylaws were each amended and restated in their entirety.

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to purchase all of the issued and outstanding shares (the “Shares”) of the Company’s common stock, par value $0.0001 per share (the “Company Common Stock”) in exchange for (i) $3.56 per Share, net to the stockholder in cash, without interest (the “Closing Amount”) and less any applicable tax withholding, plus (ii) one non-tradable contingent value right

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Source: SEC EDGAR

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