InsidersTradesSigma
Total declarations
Companies
▲ Purchases (11 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
11
Disclosed sells
0
T+90 hit rate
64%
T+90 mean return
+7.4%
Across 11 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Moulder Leon O Jr, Director. Director active across 3 companies, notably Zai Lab Ltd. Aggregated, 18 reports have been published. Split: 11 buys · 0 sell. Total volume traded: €4.7m. Activity tracked since 3 January 2022. The latest transaction was filed on 28 April 2026 (Acquisition). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Moulder Leon O Jr
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations18 total
25,000 shares@ US$18.020.023% mcap24.1% of flowCommon StockSEC:0001104659-26-051889:0
Canonical exit: 27 Jul 2026 (T+90)
35,000 shares@ US$17.620.031% mcap33.1% of flowCommon StockSEC:0001104659-26-051889:1
Canonical exit: 28 Jul 2026 (T+90)
20,000 shares@ US$18.2312.8% of flowCommon StockSEC:0001104659-26-038031:0
Canonical exit: 28 Jun 2026 (T+90)
34,000 shares@ US$19.3122.9% of flowCommon StockSEC:0001104659-26-038031:1
Canonical exit: 29 Jun 2026 (T+90)
57,000 shares@ US$17.9618.4% of flowCommon StockSEC:0001104659-26-009756:0
Canonical exit: 3 May 2026 (T+90)
50,000 shares@ US$16.3814.9% of flowCommon StockSEC:0001104659-26-002589:0
Canonical exit: 7 Apr 2026 (T+90)
36,928 shares@ US$20.8521.0% of flowCommon StockSEC:0001104659-25-098413:0
Canonical exit: 5 Jan 2026 (T+90)
10,831 shares0American Depositary SharesSEC:0000905148-25-002219:0
25,000 shares@ US$6.6723.3% of flowCommon StockSEC:0001104659-25-015145:0
Canonical exit: 19 May 2025 (T+90)
25,000 shares@ US$10.7637.5% of flowCommon StockSEC:0001104659-24-125677:0
Canonical exit: 3 Mar 2025 (T+90)
7,500 shares@ US$15.0015.6% of flowCommon StockSEC:0001104659-24-121081:0
Canonical exit: 16 Feb 2025 (T+90)
10,000 shares@ US$17.9123.6% of flowCommon StockSEC:0001104659-24-101773:0
Canonical exit: 17 Dec 2024 (T+90)
164,523 sharesCommon StockSEC:0001104659-24-100765:0
164,523 sharesCommon StockSEC:0001104659-24-100325:0
21,253 shares0American Depositary SharesSEC:0000905148-24-001750:0
166,667 shares@ US$12.00100.0% of flowCommon StockSEC:0000950170-24-007137:0
18,903 shares@ US$26.45100.0% of flowAmerican Depositary SharesSEC:0000950170-23-031100:0
7,763 shares0Ordinary SharesSEC:0001567619-22-000398:0
18 of 18 declarations
About Moulder Leon O Jr
MOULDER LEON O JR is Administrateur. He has 18 filings in total, and across the 18 sampled filings between 2022-01-04 and 2026-04-29, buys total 4706064 EUR and sells total 0 EUR. His listed companies are Zenas BioPharma, Inc., where he is Chief Executive Officer, Zai Lab Ltd, where he is Director, and Dianthus Therapeutics, Inc. /DE/, where he is Director.
