Date Filer Title Filing Type Shares Traded Price Total Held
June 9, 2026 Director, President and CEO Form 4 Other acquisition or disposition -- -- 778
June 9, 2026 Director, Executive Chairman of Board Form 4 Other acquisition or disposition -- -- 4,622
June 5, 2026 Director, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,593 $2.06 5,235
June 5, 2026 Director, Executive Chairman of Board Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,089 $2.06 12,838
May 27, 2026 Director, President and CEO Form 4 Other acquisition or disposition -- -- 778
May 27, 2026 Director, Executive Chairman of Board Form 4 Other acquisition or disposition -- -- 4,622
May 22, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,011 $2.20 9,319
May 22, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 11,148 $2.20 14,963
May 22, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 10,330 $2.20 14,097
May 22, 2026 Director, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,491 $2.20 3,642
May 22, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,557 $2.20 8,142
May 22, 2026 Director, Executive Chairman of Board Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 3,484 $2.20 8,749
January 20, 2026 CFO Form 3 Initial Statement of Beneficial Ownership of Securities -- -- 26
January 20, 2026 CFO Form 3 Initial Statement of Beneficial Ownership of Securities 167 -- --
January 20, 2026 CFO Form 3 Initial Statement of Beneficial Ownership of Securities 5,000 -- --
January 2, 2026 Chief Scientific Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 15,736 -- 15,736
January 2, 2026 CFO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 9,050 -- 9,050
January 2, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,881 -- 5,881
January 2, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,405 -- 4,405
January 2, 2026 General Counsel and Corp Sec Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 8,251 -- 8,251
January 2, 2026 Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 12,667 -- 12,667
January 2, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,892 -- 5,892
January 2, 2026 Director, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 56,187 -- 56,187
January 2, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,827 -- 4,827
January 2, 2026 Director, Executive Chairman of Board Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 43,821 -- 43,821

For recent transactions, including derivative transactions, see our Section 16 SEC filings page.

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.