SEC Form 4
Hyliion Holdings Corp. (HYLN) insider trading
In the 12 months to Oct 26, 2026, one HYLN insider reported open-market purchases of $170.0K across 1 filing; no open-market sales were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $0
- 0 filings · 0 insiders
- Open-market purchases
- $170.0K
- 1 filing · Vincent T. Cubbage, Director
Who traded HYLN, and when
- Purchase
HYLN daily close from Oct 27, 2025 to Oct 26, 2026, between $1.58 and $8.10, last $3.00. 0 sale and 1 purchase filings by 1 insider, marked at their filing dates. Vincent T. Cubbage, Director: bought $170.0K across 1 filing, first filed Aug 27, 2026, last Aug 27, 2026.
Largest mark · tap a row for others
Vincent T. Cubbage · Director
Purchase $170,000
50,000 shares at $3.40 avg
Filed Aug 27, 2026
Close on filing date $3.41
Vincent T. Cubbage · Director
Director
$170.0K boughtOpen-market trades
1 filing in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Vincent T. Cubbage | Director | — | $170.0K | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Vincent T. Cubbage Director | Purchase | 50,000 | $3.40 | $170.0K | 1,131,363 |
GET /stocks/filings/vX/form-4?tickers=HYLN&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"HYLN"
],
"issuer_cik": "0001759631",
"owner_cik": "0001588838",
"accession_number": "0001628280-26-059280",
"form_type": "4",
"filing_date": "2026-08-27",
"period_of_report": "2026-08-27",
"issuer_name": "Hyliion Holdings Corp.",
"issuer_trading_symbol": "HYLN",
"owner_name": "Cubbage Vincent T.",
"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": "2026-08-27",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 50000,
"transaction_price_per_share": 3.4,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 1131363,
"transaction_value": 170000,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
}
]
}
// trimmed to 1 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) · 83 records
- Tax withholding17 records
- Grants and awards14 records
- Gifts4 records
- Other48 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 Hyliion Holdings Corp.'s CEO sold stock?
No. Thomas J. Healy (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is HYLN’s insider data?
These are HYLN 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 HYLN 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 HYLN 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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