SEC Form 4
Cypherpunk Technologies Inc. (CYPH) insider trading
In the 12 months to Oct 26, 2026, 6 CYPH insiders reported open-market sales of $6.0M across 7 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $6.0M
- 7 filings · 6 insiders
- Open-market purchases
- $0
- 0 filings
Who traded CYPH, and when
- Sale
CYPH daily close from Nov 13, 2025 to Oct 26, 2026, between $0.51 and $4.12, last $2.80. 7 sale and 0 purchase filings by 6 insiders, marked at their filing dates. Christopher Mirabelli, Director: sold $2.2M across 2 filings, first filed Nov 19, 2025, last Mar 30, 2026. Douglas E. Onsi, CEO,CFO,Pres.,GC,Treas.&Sec.: sold $2.1M across 1 filing, first filed Nov 19, 2025, last Nov 19, 2025. James H. Cavanaugh, Director: sold $822.2K across 1 filing, first filed Nov 19, 2025, last Nov 19, 2025. Khing Djien Oei, Director: sold $661.5K across 1 filing, first filed Sep 25, 2026, last Sep 25, 2026. Patricia A. Martin, Director: sold $193.0K across 1 filing, first filed Sep 25, 2026, last Sep 25, 2026. Thomas John Dietz, Director: sold $34.4K across 1 filing, first filed Aug 27, 2026, last Aug 27, 2026.
Largest mark · tap a row for others
Christopher Mirabelli · Director
Sale $2,123,642
676,319 shares at $3.14 avg
Filed Nov 19, 2025 · traded Nov 17
Close on filing date $2.94
Christopher Mirabelli · Director
Director
$2.2M soldDouglas E. Onsi · CEO,CFO,Pres.,GC,Treas.&Sec.
CEO,CFO,Pres.,GC,Treas.&Sec.
$2.1M soldJames H. Cavanaugh · Director
Director
$822.2K soldKhing Djien Oei · Director
Director
$661.5K soldPatricia A. Martin · Director
Director
$193.0K soldThomas John Dietz · Director
Director
$34.4K soldOpen-market trades
7 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Christopher Mirabelli | Director | $2.2M | — | 2 | — | |
| Douglas E. Onsi | CEO,CFO,Pres.,GC,Treas.&Sec. | $2.1M | — | 1 | — | |
| James H. Cavanaugh | Director | $822.2K | — | 1 | — | |
| Khing Djien Oei | Director | $661.5K | — | 1 | — | |
| Patricia A. Martin | Director | $193.0K | — | 1 | — | |
| Thomas John Dietz | Director | $34.4K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Patricia A. Martin Director | Sale | 50,000 | $3.86 | $193.0K | 118,750 | |
traded | Khing Djien Oei Director | Sale | 168,750 | $3.92 | $661.5K | 0 | |
traded | Thomas John Dietz Director | Sale | 20,000 | $1.72 | $34.4K | 132,500 | |
traded | Christopher Mirabelli Director | Sale | 60,000 | $0.71 | $42.6K | 130,376 | |
traded | Douglas E. Onsi CEO,CFO,Pres.,GC,Treas.&Sec. | Sale | 676,319 | $3.14 | $2.1M | 416,616 | |
traded | James H. Cavanaugh Director | Sale | 261,840 | $3.14 | $822.2K | 0 | |
traded | Christopher Mirabelli Director | Sale | 676,319 | $3.14 | $2.1M | 2,136 |
GET /stocks/filings/vX/form-4?tickers=CYPH&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"CYPH"
],
"issuer_cik": "0001509745",
"owner_cik": "0001916764",
"accession_number": "0001104659-26-111061",
"form_type": "4",
"filing_date": "2026-09-25",
"period_of_report": "2026-09-23",
"issuer_name": "CYPHERPUNK TECHNOLOGIES INC.",
"issuer_trading_symbol": "CYPH",
"owner_name": "Martin Patricia A.",
"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": "2026-09-23",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 50000,
"transaction_price_per_share": 3.86,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 118750,
"transaction_value": 193000,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The sale reported on this Form 4 represents shares sold by the Reporting Person to cover estimated taxes to be paid by the Reporting Person in connection with the settlement of restricted stock units."
}
]
},
{
"tickers": [
"CYPH"
],
"issuer_cik": "0001509745",
"owner_cik": "0002092424",
"accession_number": "0001104659-26-111063",
"form_type": "4",
"filing_date": "2026-09-25",
"period_of_report": "2026-09-25",
"issuer_name": "CYPHERPUNK TECHNOLOGIES INC.",
"issuer_trading_symbol": "CYPH",
"owner_name": "Oei Khing Djien",
"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": "2026-09-25",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 168750,
"transaction_price_per_share": 3.92,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 0,
"transaction_value": 661500,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The sale reported on this Form 4 represents shares sold by the Reporting Person to cover estimated taxes to be paid by the Reporting Person in connection with the settlement of restricted stock units."
}
]
}
]
}
// 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) · 29 records
- Option exercises20 records
- Tax withholding1 record
- Other8 records
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 Cypherpunk Technologies Inc.'s CEO sold stock?
Yes. Douglas E. Onsi (CEO) sold 676,319 shares ($2.1M) in Nov 2025.
How current is CYPH’s insider data?
These are CYPH 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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Track CYPH 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 CYPH 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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