Company profile
Hyliion Holdings Corp. Insider Trading
HYLNEvery SEC Form 4 insider trading filing for Hyliion Holdings Corp. (HYLN) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Truck & Bus Bodies
- CIK
- 0001759631
- Filings
- 236
- Insiders
- 16
- Last filing
- 2026-08-21
Activity summary
No discretionary insider buying or selling in the last 30 days. The 5 transactions filed were grants, option exercises or other non-open-market activity.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Hyliion Holdings Corp. insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $2.3M.
90 day insight
Over the last 90 days, Hyliion Holdings Corp. insiders filed 7 Form 4 transactions, none of which were open-market purchases or sales.
- Most active insider: Panzer Jon with 1 transaction totaling $45K.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 21, 2026 | Mook Joshua T. | HYLN | J | 10,700 | $3.33 | $36K |
| Aug 21, 2026 | Oxholm Jose Miguel | HYLN | J | 11,980 | $3.33 | $40K |
| Aug 21, 2026 | Ramasamy Govindaraj | HYLN | J | 6,670 | $3.37 | $22K |
| Aug 21, 2026 | Panzer Jon | HYLN | J | 13,595 | $3.32 | $45K |
| Aug 19, 2026 | Standley Greg | HYLN | J | 3,731 | $3.73 | $14K |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=HYLN" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Hyliion Holdings Corp. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →