Latest filingSep 22, 2026Most recent Form 4
HYLN
Hyliion Holdings Corp.
NYSEConsumer DiscretionaryTruck & Bus Bodies
Insider activity for last month from 08/23 to 09/23. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$170k1 buys
Total selling$00 sells
Net open-market+$170k2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period2transactions
- G · Gifts · dominant1 · 50%
- P · Open-market buys1 · 50%
Activity by reported role
A joint filing can contribute to multiple roles3transactions
- CL · dominant1 · 33%
- CO1 · 33%
- Director1 · 33%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeCubbage Vincent T.Common Stock · Direct
1,131,363Aug 27, 2026
Oxholm Jose MiguelCommon Stock · Direct
749,814Sep 21, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 23 → Sep 23
LessMore
Top insiders
By absolute net value across the selected period- CT+$170.0k
- OM+$0
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
HYLN transaction history
Filters apply within this company and selected period by defaultLatest insider transactions
Form 4 filings from last month. Click any column to sort; click it again to flip the order.
| ID | Ticker | Insider | Role | Type | Shares | Value | Code | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|
| #227600 | HYLN | Oxholm Jose Miguel | CLCO | gift | 50.0k | $0 | G | 09/22 | 09/21 |
| #109618 | HYLN | Cubbage Vincent T. | DIR | buy | 50.0k | $17.0M | P | 08/27 | 08/27 |
Hyliion Holdings Corp. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Hyliion Holdings Corp.?
Oxholm Jose Miguel, Cubbage Vincent T..
When was the latest reported open-market purchase?
Cubbage Vincent T. reported a buy on Aug 27, 2026 valued at $170k. Read the SEC filing.
When was the latest reported open-market sale?
No code-S sale is available for this period.
What is the recent purchase and sale balance?
Net open-market buying in the selected period was $170,000.00. This describes filed transactions, not a bullish rating.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.