Leon O Moulder Jr, Director, Chief Executive Officer, on May 18, 2026, executed a purchase for 60,000 shares in Zenas BioPharma (ZBIO) for $1,012,800. Following the Form 4 filing with the SEC, Moulder has control over a total of 2,306,122 common shares of the company, with 423,155 shares held directly and 1,882,967 controlled indirectly.
SEC Filing:
https://www.sec.gov/Archives/edgar/data/1953926/000110465926063362/xslF345X05/tm2615027-1_4seq1.xml
Johanna Mercier, Chief Commercial & Corporate Affairs Officer, on May 15, 2026, sold 28,000 shares in Gilead Sciences (GILD) for $3,676,199. Following the Form 4 filing with the SEC, Mercier has control over a total of 125,779 common shares of the company, with 125,779 shares held directly.SEC Filing:https://www.sec.gov/Archives/edgar/data/882095/000178213526000016/xslF345X05/wk-form4_1779140737.xml
Sean Chihhsiang Chen, President and COO, on May 15, 2026, sold 55,685 shares in Ambiq Micro (AMBQ) for $3,947,281. Following the Form 4 filing with the SEC, Chen has control over a total of 120,275 common shares of the company, with 120,275 shares held directly.SEC Filing:https://www.sec.gov/Archives/edgar/data/1500412/000207855926000006/xslF345X05/form4-05182026_090541.xml
Richard A Damore, Director, on May 14, 2026, sold 43,701 shares in Veeco Instruments (VECO) for $2,653,088. Following the Form 4 filing with the SEC, Damore has control over a total of 112,594 common shares of the company, with 112,594 shares held directly.SEC Filing:https://www.sec.gov/Archives/edgar/data/103145/000120664126000004/xslF345X05/form4-05182026_090524.xml