SEC Form 4
Global Ship Lease, Inc. (GSL) insider trading
In the 12 months to Oct 26, 2026, 5 GSL insiders reported open-market sales of $5.4M across 7 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $5.4M
- 7 filings · 5 insiders
- Open-market purchases
- $0
- 0 filings
Who traded GSL, and when
- Sale
GSL daily close from Oct 27, 2025 to Oct 26, 2026, between $29.15 and $46.40, last $42.00. 7 sale and 0 purchase filings by 5 insiders, marked at their filing dates. Anastasios Psaropoulos, Chief Financial Officer: sold $3.2M across 2 filings, first filed Mar 26, 2026, last Aug 28, 2026. Thomas Arthur Lister, Chief Executive Officer: sold $1.3M across 1 filing, first filed Aug 28, 2026, last Aug 28, 2026. Georgios Giannopoulos, Chief Compliance Officer: sold $643.0K across 2 filings, first filed Apr 9, 2026, last Oct 15, 2026. Ulrike Helfer, Director: sold $179.3K across 1 filing, first filed Oct 2, 2026, last Oct 2, 2026. Yoram Neugeborn, Director: sold $123.4K across 1 filing, first filed Jul 31, 2026, last Jul 31, 2026.
Largest mark · tap a row for others
Anastasios Psaropoulos · Chief Financial Officer
Sale $2,251,239
50,000 shares at $45.02 avg
Filed Aug 28, 2026 · traded Aug 26
Close on filing date $44.52
Anastasios Psaropoulos · Chief Financial Officer
Chief Financial Officer
$3.2M soldThomas Arthur Lister · Chief Executive Officer
Chief Executive Officer
$1.3M soldGeorgios Giannopoulos · Chief Compliance Officer
Chief Compliance Officer
$643.0K soldUlrike Helfer · Director
Director
$179.3K soldYoram Neugeborn · Director
Director
$123.4K soldOpen-market trades
7 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Anastasios Psaropoulos | Chief Financial Officer | $3.2M | — | 2 | — | |
| Thomas Arthur Lister | Chief Executive Officer | $1.3M | — | 1 | — | |
| Georgios Giannopoulos | Chief Compliance Officer | $643.0K | — | 2 | — | |
| Ulrike Helfer | Director | $179.3K | — | 1 | — | |
| Yoram Neugeborn | Director | $123.4K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Georgios Giannopoulos Chief Compliance Officer | Sale | 7,692 | $45.08 | $346.7K | 0 | |
traded | Ulrike Helfer Director | Sale | 4,000 | $44.82 | $179.3K | 8,503 | |
traded | Thomas Arthur Lister Chief Executive Officer | Sale | 30,000 | $44.26 | $1.3M | 15,934 | |
traded | Anastasios Psaropoulos Chief Financial Officer | Sale | 50,000 | $45.02 | $2.3M | 68,698 | |
traded | Yoram Neugeborn Director | Sale | 3,000 | $41.13 | $123.4K | 3,174 | |
traded | Georgios Giannopoulos Chief Compliance Officer | Sale | 7,692 | $38.51 | $296.2K | 0 | |
traded | Anastasios Psaropoulos Chief Financial Officer | Sale | 23,173 | $39.00 | $903.8K | 108,102 |
GET /stocks/filings/vX/form-4?tickers=GSL&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"GSL",
"GSLpB"
],
"issuer_cik": "0001430725",
"owner_cik": "0002121343",
"accession_number": "0001140361-26-039677",
"form_type": "4",
"filing_date": "2026-10-15",
"period_of_report": "2026-10-13",
"issuer_name": "Global Ship Lease, Inc.",
"issuer_trading_symbol": "GSL",
"owner_name": "Giannopoulos Georgios",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Compliance Officer",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Class A Common Shares, par value of $0.01 per share",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-13",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 7692,
"transaction_price_per_share": 45.0767,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 0,
"transaction_value": 346729.97640000004,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The price reported represents the weighted average price of Class A Common Shares of Global Ship Lease, Inc. (the \"Issuer\") sold in multiple transactions at prices ranging from $44.89 to $45.23 per share. The reporting person will provide to the Issuer, or the U.S. Securities and Exchange Commission staff, upon request, information regarding the number of shares sold at each price within the range."
}
]
},
{
"tickers": [
"GSL",
"GSLpB"
],
"issuer_cik": "0001430725",
"owner_cik": "0002119264",
"accession_number": "0001140361-26-038412",
"form_type": "4",
"filing_date": "2026-10-02",
"period_of_report": "2026-09-30",
"issuer_name": "Global Ship Lease, Inc.",
"issuer_trading_symbol": "GSL",
"owner_name": "Helfer Ulrike",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Class A Common Shares, par value of $0.01 per share",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-30",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 4000,
"transaction_price_per_share": 44.8184,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 8503,
"transaction_value": 179273.59999999998,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Includes 577 Class A Common Shares of Global Ship Lease, Inc. (the \"Issuer\") granted to the reporting person pursuant to the Issuer's 2019 Omnibus Incentive Plan, as amended and restated (the \"Plan\") that have vested on September 30, 2026 but have not yet been issued."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Global Ship Lease, Inc.'s CEO sold stock?
Yes. Thomas Arthur Lister (CEO) sold 30,000 shares ($1.3M) in Aug 2026.
How current is GSL’s insider data?
These are GSL Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for GSL every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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