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Total declarations
Company
▲ Purchases (2 ops.)
▼ Sales (0 ops.)
Latest filing published 25 Nov 2025 for Delcath Systems, INC., €34k.
Filing timeline
BuySaleJohn Richard Sylvester
Insider track record
Disclosed buys
2
Disclosed sells
0
T+90 hit rate
0%
T+90 mean return
-41.5%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
No signal scores available.
John Richard Sylvester: trading record in brief
John Richard Sylvester discloses dealings in Delcath Systems, Inc. to SEC (Form 4). Between 21 August 2023 and 21 November 2025, the trades on record add up to 2 filings.
Every open-market trade on record is a purchase: 2 purchases worth €80k, and no sale. Unlike grants, an open-market purchase is paid for by the insider, at the market price. 2025 to date brings 1 purchase and no sales.
The record was last updated on 25 November 2025 with an open-market purchase (€34k) in Delcath Systems, Inc. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to John Richard Sylvester
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations2 total
4,386 shares@ US$8.89Common StockSEC:0001784561-25-000005:0
Canonical exit: 19 Feb 2026 (T+90)
10,550 shares@ US$4.80100.0% of flowCommon StockSEC:0001209191-23-046988:0
Canonical exit: 19 Nov 2023 (T+90)
2 of 2 declarations
