InsiderTrades

MOULDER LEON O JR

SEC CIK 1228865 · EDGAR

Buying vs selling by month open-market trades, last 25 months, all 3 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ZLABZai Lab LtdDir 95.0K — — 52022-01-032026-06-17
ZBIOZenas BioPharma, Inc.See Remarks, Dir 96.9K $7.93M — 142024-09-162026-05-18
DNTHDianthus Therapeutics, Inc. /DE/Dir 1.44M — — 12024-01-222024-01-22

Most active insiders at ZLAB, 12 months

#InsiderTitleBoughtSold
1 Du YingCOB, CEO, Dir —$8.58M
2 Edmondson Frazor Titus IIICLO —$1.01M
3 Amado RafaelSee Remarks —$675.0K
4 Lis WilliamDir —$340.0K
5 Smiley Joshua LSee Remarks —$294.3K
6 Chen YajingCFO —$239.3K
7 GAYNOR RICHARDDir $65.8K—
8 Leung NisaDir ——
9 Vounatsos MichelDir ——
10 Morrison Scott WDir ——
12 MOULDER LEON O JRDir ——

Transactions 20

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-06-22 16:08 2026-06-17 ZLAB Zai Lab Ltd MOULDER LEON O JR Dir A - Grant $0.00 +22.4K 95.0K +31% $0
I 2026-05-18 21:12 2026-05-18 ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir P - Purchase $16.88 +60.0K 96.9K +162% +$1.01M
MI 2026-04-29 19:21 2026-04-28+ ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir P - Purchase $17.79 +60.0K 1.79M +3% +$1.07M
MI 2026-03-31 2026-03-30+ ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir P - Purchase $18.91 +54.0K 1.73M +3% +$1.02M
2026-02-03 2026-02-02 ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir P - Purchase $17.96 +57.0K 423.2K +16% +$1.02M
M 2026-01-09 2026-01-07+ ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir P - Purchase $16.39 +100.0K 346.2K +41% +$1.64M
I 2025-10-09 2025-10-07 ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR See Remarks, Dir P - Purchase $20.85 +36.9K 36.9K New +$769.9K
2025-06-23 2025-06-18 ZLAB Zai Lab Ltd MOULDER LEON O JR Dir A - Grant $0.00 +10.8K 72.6K +18% $0
2025-02-19 2025-02-18 ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir P - Purchase $6.67 +25.0K 266.2K +10% +$166.8K
M 2024-12-04 2024-12-03+ ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir P - Purchase $10.26 +70.0K 196.2K +55% +$718.1K
M 2024-11-20 2024-11-18+ ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir P - Purchase $14.89 +10.0K 171.2K +6% +$148.9K
MI 2024-09-20 2024-09-18+ ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir P - Purchase $18.04 +20.0K 1.67M +1% +$360.8K
DMA 2024-09-17 2024-09-16 ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir C - Cnv Deriv — +156.6K 112.9K New —
DMAI 2024-09-17 2024-09-16 ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir C - Cnv Deriv — +536.5K 1.65M +48% —
DM 2024-09-16 2024-09-16 ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir C - Cnv Deriv — +156.6K 108.4K New —
DMI 2024-09-16 2024-09-16 ZBIO Zenas BioPharma, Inc. MOULDER LEON O JR CEO, Dir C - Cnv Deriv — +536.5K 164.5K New —
2024-06-20 2024-06-18 ZLAB Zai Lab Ltd MOULDER LEON O JR Dir A - Grant $0.00 +21.3K 61.8K +52% $0
I 2024-01-24 2024-01-22 DNTH Dianthus Therapeutics, Inc. /DE/ MOULDER LEON O JR Dir A - Grant $12.00 +166.7K 1.44M +13% +$2.00M
2023-06-30 2023-06-29 ZLAB Zai Lab Ltd MOULDER LEON O JR Dir A - Grant $26.45 +18.9K 40.5K +87% +$500.0K
2022-01-04 2022-01-03 ZLAB Zai Lab Ltd MOULDER LEON O JR Dir A - Grant $0.00 +7,763 21.6K +56% $0

Purchase Sale Sale after option exercise All abbreviations