SEC Form 4
SentinelOne, Inc. (S) insider trading
In the 12 months to Oct 23, 2026, 3 S insiders reported open-market sales of $29.0M across 16 filings; one director bought $595.6K.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $29.0M
- 16 filings · 3 insiders
- Open-market purchases
- $595.6K
- 1 filing · Mark S. Peek, Director
- Pre-arranged sales (10b5-1)
- 16 of 16
- All $29.0M sold was pre-arranged
Who traded S, and when
- Purchase
- Sale
- Sale, pre-arranged (10b5-1)
S daily close from Oct 23, 2025 to Oct 23, 2026, between $11.94 and $26.27, last $24.00. 16 sale and 1 purchase filings by 4 insiders, marked at their filing dates. Tomer Weingarten, President, CEO: sold $27.8M across 12 filings, first filed Nov 7, 2025, last Oct 6, 2026. Sonalee Elizabeth Parekh, Chief Financial Officer: sold $834.5K across 2 filings, first filed Sep 9, 2026, last Oct 9, 2026. Mark S. Peek, Director: bought $595.6K across 1 filing, first filed Dec 18, 2025, last Dec 18, 2025. Robin Tomasello, Chief Accounting Officer: sold $406.2K across 2 filings, first filed Sep 9, 2026, last Sep 11, 2026.
Largest mark · tap a row for others
Tomer Weingarten · President, CEO
Sale $13,323,531
527,368 shares at $25.26 avg
Filed Oct 6, 2026 · traded Oct 5
Pre-arranged (10b5-1) · close on filing date $25.80
Tomer Weingarten · President, CEO
President, CEO
$27.8M soldSonalee Elizabeth Parekh · Chief Financial Officer
Chief Financial Officer
$834.5K soldMark S. Peek · Director
Director
$595.6K boughtRobin Tomasello · Chief Accounting Officer
Chief Accounting Officer
$406.2K soldHas SentinelOne, Inc.'s CEO sold stock?
Yes. Tomer Weingarten (CEO) sold 1,424,788 shares ($27.8M) between Nov 2025 and Oct 2026, all under a pre-arranged 10b5-1 plan.
Open-market trades
17 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Tomer Weingarten | President, CEO | $27.8M | — | 12 | 100% of sales | |
| Sonalee Elizabeth Parekh | Chief Financial Officer | $834.5K | — | 2 | 100% of sales | |
| Mark S. Peek | Director | — | $595.6K | 1 | — | |
| Robin Tomasello | Chief Accounting Officer | $406.2K | — | 2 | 100% of sales |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Sonalee Elizabeth Parekh Chief Financial Officer | SalePre-arranged (10b5-1) | 16,304 | $25.35 | $413.3K | 874,610 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 527,368 | $25.26 | $13.3M | 1,717,510 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 114,890 | $19.89 | $2.3M | 1,744,878 | |
traded | Robin Tomasello Chief Accounting Officer | SalePre-arranged (10b5-1) | 13,311 | $19.95 | $265.5K | 405,112 | |
traded | Robin Tomasello Chief Accounting Officer | SalePre-arranged (10b5-1) | 7,235 | $19.44 | $140.6K | 432,628 | |
traded | Sonalee Elizabeth Parekh Chief Financial Officer | SalePre-arranged (10b5-1) | 21,664 | $19.44 | $421.2K | 942,617 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 57,941 | $18.75 | $1.1M | 1,894,397 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 57,941 | $17.71 | $1.0M | 1,894,397 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 57,941 | $15.21 | $881.3K | 1,894,397 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 57,296 | $14.60 | $836.3K | 1,894,397 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 231,764 | $15.32 | $3.6M | 2,012,771 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 38,864 | $14.47 | $562.4K | 1,007,277 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 39,472 | $13.48 | $532.3K | 1,083,073 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 57,941 | $15.11 | $875.6K | 1,145,608 | |
traded | Mark S. Peek Director | Purchase | 40,000 | $14.89 | $595.6K | 120,000 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 125,429 | $15.09 | $1.9M | 1,093,108 | |
traded | Tomer Weingarten President, CEO | SalePre-arranged (10b5-1) | 57,941 | $16.41 | $951.0K | 1,283,939 |
GET /stocks/filings/vX/form-4?tickers=S&filing_date.gte=2025-10-23&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"S"
],
"issuer_cik": "0001583708",
"owner_cik": "0001849122",
"accession_number": "0001849122-26-000023",
"form_type": "4",
"filing_date": "2026-10-09",
"period_of_report": "2026-10-07",
"issuer_name": "SentinelOne, Inc.",
"issuer_trading_symbol": "S",
"owner_name": "Parekh Sonalee Elizabeth",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Financial Officer",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Class A Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": true,
"transaction_date": "2026-10-07",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 16304,
"transaction_price_per_share": 25.3491,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 874610,
"transaction_value": 413291.7264,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 9, 2026."
},
{
"id": "F2",
"description": "The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.10 to $25.53, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein."
},
{
"id": "F3",
"description": "Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met."
}
]
},
{
"tickers": [
"S"
],
"issuer_cik": "0001583708",
"owner_cik": "0001866222",
"accession_number": "0001866222-26-000043",
"form_type": "4",
"filing_date": "2026-10-06",
"period_of_report": "2026-10-05",
"issuer_name": "SentinelOne, Inc.",
"issuer_trading_symbol": "S",
"owner_name": "Weingarten Tomer",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "President, CEO",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Class A Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": true,
"transaction_date": "2026-10-05",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 527368,
"transaction_price_per_share": 25.2642,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 1717510,
"transaction_value": 13323530.625599999,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F2",
"description": "The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 2, 2026."
},
{
"id": "F3",
"description": "The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.95 to $25.51, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein"
},
{
"id": "F4",
"description": "Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met."
}
]
}
]
}
// 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.
Other insider activity (not market trades) · 82 records
- Tax withholding (sold to cover)42 records
- Grants and awards27 records
- Gifts1 record
- Other12 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
Build this yourself
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 S 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.
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.
- Pre-arranged (10b5-1)
- The insider marked the filing as made under a trading plan set up in advance (SEC Rule 10b5-1). The mark covers the whole filing, and an unmarked filing may still be under a plan.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.