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Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Latest filing published 05 Mar 2026 for LeonaBio, Inc.. Read the official filing
Insider track record
Disclosed buys
0
Disclosed sells
2
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Mark James Litton: trading record in brief
This profile gathers the share dealings of Mark James Litton across 2 companies, led by LeonaBio, Inc. and Alder Biopharmaceuticals Inc. Over a trading history stretching from 4 January 2016 to 3 March 2026, the count stands at 14 filings.
No open-market purchase appears, only 2 sales. The totals do not cover 2 filings with an undisclosed amount. Other entries cover 7 share grants and 5 option exercises.
The latest filing, published on 5 March 2026, reports an option exercise in LeonaBio, Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 4 days. The legal deadline for a Form 4 is two business days after the transaction. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Companies and markets linked to Mark James Litton
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations14 total
22,254 shares0Common StockSEC:0001604834-26-000006:0
10,834 shares0Common StockSEC:0001604834-26-000002:0
108,334 shares0Common StockSEC:0001415889-25-019069:0
108,333 shares0Common StockSEC:0001415889-25-000536:0
20,000 shares0Common StockSEC:0001415889-24-022983:0
20,000 shares0Common StockSEC:0001415889-24-004153:0
20,000 shares0Common StockSEC:0001209191-24-001150:0
662 shares@ US$2.743.7% of flowCommon StockSEC:0001209191-23-005818:0
757 shares@ US$7.0611.3% of flowCommon StockSEC:0001209191-22-039340:0
885 shares@ US$12.5136.4% of flowCommon StockSEC:0001209191-22-005628:0
867 shares@ US$14.4538.1% of flowCommon StockSEC:0001209191-21-052564:0
25,000 sharesCommon StockSEC:0001209191-16-090205:0
17,291 sharesCommon StockSEC:0001209191-16-090205:1
7,709 sharesCommon StockSEC:0001209191-16-090205:2
14 of 14 declarations
