Date Filer Title Filing Type Shares Traded Price Total Held
July 7, 2026 Director, President and CEO Form 4 Other acquisition or disposition -- -- 778
July 7, 2026 Director, Executive Chairman of Board Form 4 Other acquisition or disposition -- -- 4,622
July 6, 2026 General Counsel and Corp Sec Form 4 Open market or private sale of non-derivative or derivative security 920 $1.88 2,896
July 2, 2026 General Counsel and Corp Sec Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 920 $1.91 3,816
July 2, 2026 Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,308 $1.91 23,204
July 2, 2026 Director, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 2,534 $1.91 76,722
July 2, 2026 Director, Executive Chairman of Board Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,410 $1.91 64,396
June 29, 2026 General Counsel and Corp Sec Form 4 Open market or private sale of non-derivative or derivative security 11,800 $1.75 2,896
June 29, 2026 Director, President and CEO Form 4 Other acquisition or disposition -- -- 778
June 29, 2026 Director, Executive Chairman of Board Form 4 Other acquisition or disposition -- -- 4,622
June 25, 2026 General Counsel and Corp Sec Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 14,696 $1.72 14,696
June 25, 2026 Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 21,896 $1.72 21,896
June 25, 2026 Director, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 67,150 $1.72 74,188
June 25, 2026 Director, Executive Chairman of Board Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 42,519 $1.72 59,986
June 23, 2026 Director, President and CEO Form 4 Other acquisition or disposition -- -- 778
June 23, 2026 Director, Executive Chairman of Board Form 4 Other acquisition or disposition -- -- 4,622
June 18, 2026 Director, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 1,803 $1.82 7,038
June 18, 2026 Director, Executive Chairman of Board Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,629 $1.82 17,467
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

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.