Peter Blume-Jensen - 14 Jan 2026 Form 4 Insider Report for Acrivon Therapeutics, Inc. (ACRV)

Signature
/s/ Adam D. Levy, Attorney-in-Fact for Peter Blume-Jensen
Issuer symbol
ACRV
Transactions as of
14 Jan 2026
Net transactions value
+$82,124
Form type
4
Filing time
16 Jan 2026, 16:02:48 UTC
Previous filing
25 Nov 2025
Next filing
18 Feb 2026

Reporting Owners (2)

Name Relationship Address Signature Signature date CIK
Blume-Jensen Peter President and CEO, Director C/O ACRIVON THERAPEUTICS, INC., 480 ARSENAL WAY, SUITE 100, WATERTOWN /s/ Adam D. Levy, Attorney-in-Fact for Peter Blume-Jensen 16 Jan 2026 0001950499
Masson Kristina EVP - Business Operations, Director C/O ACRIVON THERAPEUTICS, INC., 480 ARSENAL WAY, SUITE 100, WATERTOWN /s/ Adam D. Levy, Attorney-in-Fact for Kristina Masson 16 Jan 2026 0001950501

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACRV Common Stock Purchase $82,124 +49,000 +2.4% $1.68 2,095,771 14 Jan 2026 Direct F1, F2
holding ACRV Common Stock 314,706 14 Jan 2026 See Footnote F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 above reflects the weighted average purchase price. This transaction was executed in multiple trades at prices ranging from $1.66 to $1.68, inclusive. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares purchased at each respective price within the range set forth in footnote 1 of this Form 4.
F2 These securities are held by President and CEO, Dr. Peter Blume-Jensen, who is also Dr. Kristina Masson's spouse. Dr. Masson disclaims beneficial ownership of such securities except to the extent of her pecuniary interest therein.
F3 These securities are held by co-founder and EVP, Dr. Kristina Masson, who is also Dr. Blume-Jensen's spouse. Dr. Blume-Jensen disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.