SEC Form 4
Rank One Computing Corporation (ROC) insider trading
In the 12 months to Nov 3, 2026, one ROC insider reported open-market sales of $4.1M across 1 filing; one director bought $17.4K.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $4.1M
- 1 filing · 1 insider
- Open-market purchases
- $17.4K
- 1 filing · Kathleen Louise Kiernan, Director
Who traded ROC, and when
- Purchase
- Sale
ROC daily close from Feb 20, 2026 to Nov 2, 2026, between $3.35 and $7.31, last $3.71. 1 sale and 1 purchase filings by 2 insiders, marked at their filing dates. Scott Jeffrey Klum, 10% owner: sold $4.1M across 1 filing, first filed Oct 2, 2026, last Oct 2, 2026. Kathleen Louise Kiernan, Director: bought $17.4K across 1 filing, first filed Sep 16, 2026, last Sep 16, 2026.
Largest mark · tap a row for others
Scott Jeffrey Klum · 10% owner
Sale $4,104,000
1,200,000 shares at $3.42 avg
Filed Oct 2, 2026 · traded Sep 30
Close on filing date $4.09
Scott Jeffrey Klum · 10% owner
10% owner
$4.1M soldKathleen Louise Kiernan · Director
Director
$17.4K boughtOpen-market trades
2 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Scott Jeffrey Klum | 10% owner | $4.1M | — | 1 | — | |
| Kathleen Louise Kiernan | Director | — | $17.4K | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Scott Jeffrey Klum 10% owner | Sale | 1,200,000 | $3.42 | $4.1M | 1,752,560 | |
traded | Kathleen Louise Kiernan Director | Purchase | 4,000 | $4.36 | $17.4K | 4,000 |
GET /stocks/filings/vX/form-4?tickers=ROC&filing_date.gte=2025-11-03&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"ROC"
],
"issuer_cik": "0002077709",
"owner_cik": "0002108264",
"accession_number": "0001213900-26-106370",
"form_type": "4",
"filing_date": "2026-10-02",
"period_of_report": "2026-09-30",
"issuer_name": "Rank One Computing Corp",
"issuer_trading_symbol": "ROC",
"owner_name": "Klum Scott Jeffrey",
"is_director": false,
"is_officer": false,
"is_ten_percent_owner": true,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock; $0.01 par value",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-30",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1200000,
"transaction_price_per_share": 3.42,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 1752560,
"transaction_value": 4104000,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
},
{
"tickers": [
"ROC"
],
"issuer_cik": "0002077709",
"owner_cik": "0002140608",
"accession_number": "0001213900-26-100339",
"form_type": "4",
"filing_date": "2026-09-16",
"period_of_report": "2026-09-14",
"issuer_name": "Rank One Computing Corp",
"issuer_trading_symbol": "ROC",
"owner_name": "Kiernan Kathleen Louise",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-14",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 4000,
"transaction_price_per_share": 4.3587,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 4000,
"transaction_value": 17434.8,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The number of securities reported represents an aggregate number of shares purchased in multiple open market transactions over a range of purchase prices. The price reported represents the weighted average price. The Reporting Person undertakes to provide to the staff of the SEC, the Issuer, or a stockholder of the Issuer, upon request, the number of shares purchased by the Reporting Person at each separate price within the range."
}
]
}
]
}
// 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 the Rank One Computing Corporation's CEO sold stock?
No. Brian Scott Swann (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is ROC’s insider data?
These are ROC 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 ROC 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 ROC 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.
Nothing on this page is investment advice. All data and content is provided for informational purposes under our Terms of Service.