Date Filer Title Filing Type Shares Traded Price Total Held
August 17, 2026 General Counsel and Corp Sec Form 4 Open market or private sale of non-derivative or derivative security 2,449 $1.63 2,896
August 17, 2026 Director, President and CEO Form 4 Other acquisition or disposition -- -- 778
August 17, 2026 Director, Executive Chairman of Board Form 4 Other acquisition or disposition -- -- 4,622
August 14, 2026 General Counsel and Corp Sec Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 2,449 $1.65 5,345
August 14, 2026 Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 3,516 $1.65 33,451
August 14, 2026 Director, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,615 $1.65 93,254
August 14, 2026 Director, Executive Chairman of Board Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 7,147 $1.65 82,504
August 4, 2026 Director, President and CEO Form 4 Other acquisition or disposition -- -- 778
August 4, 2026 Director, Executive Chairman of Board Form 4 Other acquisition or disposition -- -- 4,622
August 3, 2026 General Counsel and Corp Sec Form 4 Open market or private sale of non-derivative or derivative security 2,541 $1.56 2,896
July 31, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,180 $1.59 15,499
July 31, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,934 $1.59 21,897
July 31, 2026 General Counsel and Corp Sec Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 2,541 $1.59 5,437
July 31, 2026 Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 3,649 $1.59 29,935
July 31, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,934 $1.59 21,031
July 31, 2026 Director, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,010 $1.59 86,639
July 31, 2026 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,934 $1.59 15,076
July 31, 2026 Director, Executive Chairman of Board Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,358 $1.59 75,357
July 21, 2026 Director, President and CEO Form 4 Other acquisition or disposition -- -- 778
July 21, 2026 Director, Executive Chairman of Board Form 4 Other acquisition or disposition -- -- 4,622
July 20, 2026 General Counsel and Corp Sec Form 4 Open market or private sale of non-derivative or derivative security 2,150 $1.78 2,896
July 17, 2026 General Counsel and Corp Sec Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 2,150 $1.83 5,046
July 17, 2026 Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 3,082 $1.83 26,286
July 17, 2026 Director, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,907 $1.83 81,629
July 17, 2026 Director, Executive Chairman of Board Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,603 $1.83 68,999

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.