SEC Form 4
Yarrow Bioscience, Inc. (YARW) insider trading
No open-market YARW insider purchases or sales were filed in the 12 months to Oct 31, 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 YARW, and when
YARW daily close from Jul 28, 2026 to Oct 30, 2026, between $18.31 and $42.94, last $19.90. 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=YARW&filing_date.gte=2025-10-31&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"YARW"
],
"issuer_cik": "0001566044",
"owner_cik": "0002145132",
"accession_number": "0001104659-26-120654",
"form_type": "4",
"filing_date": "2026-10-30",
"period_of_report": "2026-10-29",
"issuer_name": "Yarrow Bioscience, Inc.",
"issuer_trading_symbol": "YARW",
"owner_name": "Frey Rebecca",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Executive Officer",
"security_type": "derivative",
"record_type": "transaction",
"security_title": "Stock Option (Right to Buy)",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-29",
"transaction_code": "A",
"equity_swap_involved": false,
"transaction_shares": 465857,
"transaction_price_per_share": 0,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 465857,
"transaction_value": 0,
"exercise_price": 20,
"expiration_date": "2036-10-29",
"underlying_security_title": "Common Stock",
"underlying_security_shares": 465857,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "This option represents a right to purchase 465,857 shares of the Issuer's common stock, one quarter of which will vest on July 28, 2027, with the remaining three quarters vesting in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer on each such vesting date."
}
]
},
{
"tickers": [
"YARW"
],
"issuer_cik": "0001566044",
"owner_cik": "0001867033",
"accession_number": "0001104659-26-120647",
"form_type": "4",
"filing_date": "2026-10-30",
"period_of_report": "2026-10-29",
"issuer_name": "Yarrow Bioscience, Inc.",
"issuer_trading_symbol": "YARW",
"owner_name": "Zeronda Tyler",
"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": "Stock Option (Right to Buy)",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-29",
"transaction_code": "A",
"equity_swap_involved": false,
"transaction_shares": 156115,
"transaction_price_per_share": 0,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 156115,
"transaction_value": 0,
"exercise_price": 20,
"expiration_date": "2036-10-29",
"underlying_security_title": "Common Stock",
"underlying_security_shares": 156115,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "This option represents a right to purchase 156,115 shares of the Issuer's common stock, one quarter of which will vest on July 28, 2027, with the remaining three quarters vesting in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer on each 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.
Other insider activity (not market trades) · 1 record
- Other1 record
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
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 Yarrow Bioscience, Inc.'s CEO sold stock?
No. Rebecca Frey (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is YARW’s insider data?
These are YARW 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 YARW 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 YARW 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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