Leonard Reyno

Executive

Chief Medical Officer

Insider activity · 24 months0 buys1 saleCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 1 saleFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Company

▲ Purchases (0 ops.)

—

▼ Sales (1 ops.)

€19k

Latest filing published 13 Jul 2026 for C4 Therapeutics, Inc.. Read the official filing

Filing timeline

BuySale

Leonard Reyno

Insider track record

Disclosed buys

Disclosed sells

Signal history

Leonard Reyno: trading record in brief

This profile gathers the share dealings of Leonard Reyno in C4 Therapeutics, Inc., where the filings describe the role as senior executive. Over a trading history stretching from 10 July 2023 to 10 July 2026, the count stands at 10 filings.

The open-market record consists of 1 sale worth €19k, with no purchase. The rest of the record consists of 7 share grants and 2 option exercises. So far in 2026, the count stands at no purchases and 1 sale.

Most recently, on 13 July 2026, the filings show an option exercise in C4 Therapeutics, Inc. Filings reach the SEC (Form 4) feed a median of 3 days after the trade. Section 16 rules allow two business days to file each Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.