Signature
Foundation Fighting Blindness Retinal Degeneration Fund, By: /s/ Lorna A. Knick, Attorney-in-Fact for Russell Kelley
Issuer symbol
IRD
Transactions as of
09 Dec 2025
Net transactions value
-$8,600,000
Form type
4
Filing time
11 Dec 2025, 17:35:47 UTC
Previous filing
06 May 2025

Reporting Owners (2)

Name Relationship Address Signature Signature date CIK
Foundation Fighting Blindness Retinal Degeneration Fund Director, Other* 223 S. WEST STREET, SUITE 900, RALEIGH Foundation Fighting Blindness Retinal Degeneration Fund, By: /s/ Lorna A. Knick, Attorney-in-Fact for Russell Kelley 11 Dec 2025 0002042266
Foundation Fighting Blindness, Inc. Director, Other* 6925 OAKLAND MILLS ROAD, #701, COLUMBIA Foundation Fighting Blindness, Inc., By: /s/ Lorna A. Knick, Attorney-in-Fact for Jason Menzo 11 Dec 2025 0002042532

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IRD Common Stock Sale $8,600,000 -4,000,000 -42% $2.15 5,492,171 09 Dec 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Foundation Fighting Blindness, Inc. ("FFB") is the sole member of Foundation Fighting Blindness Retinal Degeneration Fund ("RDF") and may be deemed to beneficially own the securities owned directly by RDF. RDF has the power to vote and dispose of any securities directly owned by RDF. RDF's board of directors makes voting and investment decisions regarding securities held by RDF, subject to certain approval rights of the board of directors of FFB with respect to transactions exceeding a certain threshold.

Remarks:

For purposes of Section 16 of the Exchange Act of 1934, as amended, the Reporting Persons may be deemed a director by deputization of Issuer by virtue of the fact that Adrienne Graves, PhD and Jean Bennett, MD, PhD were appointed to serve on the board of directors of Issuer and Dr. Graves is the chair of the board of directors of RDF and a member of the board of directors of FFB and Dr. Bennett is a member of the board of directors of RDF. FFB is the sole member of RDF and may be deemed to beneficially own the securities owned directly by RDF. RDF has the power to vote and dispose of any securities directly owned by RDF. RDF's board of directors makes voting and investment decisions regarding securities held by RDF, subject to certain approval rights of the board of directors of FFB with respect to transactions exceeding a certain threshold.