SEC Form 4
LB Pharmaceuticals Inc (LBRX) insider trading
No open-market LBRX insider purchases or sales were filed in the 12 months to Oct 26, 2026.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $0
- 0 filings · 0 insiders
- Open-market purchases
- $0
- 0 filings
Who traded LBRX, and when
LBRX daily close from Oct 27, 2025 to Oct 26, 2026, between $14.61 and $49.48, last $39.30. No open-market insider purchases or sales were filed in this period.
No open-market insider purchases or sales were filed in the last 12 months.
Open-market trades
0 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| No open-market purchases or sales in the last 12 months. | ||||||
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
| No open-market purchases or sales in the last 12 months. | |||||||
GET /stocks/filings/vX/form-4?tickers=LBRX&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"LBRX"
],
"issuer_cik": "0001691082",
"owner_cik": "0002150267",
"accession_number": "0002150267-26-000005",
"form_type": "4",
"filing_date": "2026-10-13",
"period_of_report": "2026-10-09",
"issuer_name": "LB PHARMACEUTICALS INC",
"issuer_trading_symbol": "LBRX",
"owner_name": "Kozauer Susan Gani",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Medical Officer",
"security_type": "derivative",
"record_type": "transaction",
"security_title": "Emplopyee Stock Option (Right to Buy)",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-09",
"transaction_code": "A",
"equity_swap_involved": false,
"transaction_shares": 200000,
"transaction_price_per_share": 0,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 200000,
"transaction_value": 0,
"exercise_price": 37.22,
"expiration_date": "2036-10-08",
"underlying_security_title": "Common Stock",
"underlying_security_shares": 200000,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "One fourth (1/4th) of the shares subject to the option award shall vest on September 14, 2027, and the remaining shares subject to the option award shall vest over the following three years on a monthly basis on the last day of the month commencing on September 30, 2027, subject to the Reporting Person's continuous service through such vesting date."
}
]
},
{
"tickers": [
"LBRX"
],
"issuer_cik": "0001691082",
"owner_cik": "0001746372",
"accession_number": "0001746372-26-000007",
"form_type": "4",
"filing_date": "2026-10-13",
"period_of_report": "2026-10-09",
"issuer_name": "LB PHARMACEUTICALS INC",
"issuer_trading_symbol": "LBRX",
"owner_name": "Miller Joseph M",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Financial Officer",
"security_type": "derivative",
"record_type": "transaction",
"security_title": "Emplopyee Stock Option (Right to Buy)",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-09",
"transaction_code": "A",
"equity_swap_involved": false,
"transaction_shares": 200000,
"transaction_price_per_share": 0,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 200000,
"transaction_value": 0,
"exercise_price": 37.22,
"expiration_date": "2036-10-08",
"underlying_security_title": "Common Stock",
"underlying_security_shares": 200000,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "One fourth (1/4th) of the shares subject to the option award shall vest on September 2, 2027, and the remaining shares subject to the option award shall vest over the following three years on a monthly basis on the last day of the month commencing on September 30, 2027, subject to the Reporting Person's continuous service through such vesting date."
}
]
}
]
}
// 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
How current is LBRX’s insider data?
These are LBRX 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.
Build with AI
Track LBRX insider trades with your agent
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 LBRX 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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