Austin J Shanfelter
CIK 1221430 · Executive Chairman · last filed 2026-06-09
Austin J Shanfelter is an Executive Chairman who has filed 57 SEC Form 4 insider transactions across 5 companies since 2007. The most recent filing, for CDNL, was dated Jun 9, 2026. Across all open-market trades the lifetime net is −$9.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $121.4M across reported positions. 11 SEC filings were submitted jointly with MASTEC INC.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
Charts
Trading activity, where the exposure sits, and each trade against the stock price.
MTZ price and trades
Daily close with each Form 4 filing on this company marked: green = open-market buy, red = open-market sale, purple = grants, exercises, gifts and other non-market transactions. Marker size scales with the dollar value.
Shares held
Shares owned after each reported transaction on this company (direct holdings as reported).
Open-market buying and selling
by monthDollar value of open-market purchases (code P, up) and sales (code S, down) across all companies, by filing month. Grants, exercises and gifts are excluded.
Exposure by company
latestMost recently reported shares × current price. Faded bars (*) have had no filing in 3 years, so the person may no longer hold them. Click a bar to chart that company.
Filer Profile
SUITE 400
HOUSTON, TX 77020
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CDNL | Director | 11,529 | $15.23 | $175.6K | $0 | 2 | 2026-06-09 |
| ORN | Director | 336,451 | $7.81 | $2.63M | -$2.83M | 37 | 2026-05-20 |
| PN | Director | 45,674 | $2.34 | $106.9K | $0 | 4 | 2016-02-26 |
| Orion Group Holdings Inc (OMGI) Delisted | Director | 0 | — | — | $0 | 3 | 2008-12-09 |
| MTZ | Director | 626,678 | $189.05 | $118.47M | -$6.32M | 8 | 2008-08-08 |
Recent Filings
57 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-09 | CDNL | Grant (A) | +1,941 | $0 | EDGAR |
| 2026-05-20 | ORN | Grant (A) | +7,236 | $0 | EDGAR |
| 2026-05-11 | CDNL | Grant (A) | +3,101 | $75.0K | EDGAR |
| 2026-03-10 | ORN | Notice (144/A) | −90,000 | -$1.06M | EDGAR |
| 2026-03-10 | ORN | Sell (S) | −90,000 | -$1.10M | EDGAR |
| 2026-03-09 | ORN | Notice (144) | −90,000 | -$1.06M | EDGAR |
| 2025-05-19 | ORN | Mixed | −18,519 | -$160.0K | EDGAR |
| 2024-05-24 | ORN | Notice (144) | −40,000 | -$359.7K | EDGAR |
| 2024-05-20 | ORN | Mixed | −29,305 | -$260.2K | EDGAR |
| 2023-11-28 | ORN | Sell (S) | −30,000 | -$145.8K | EDGAR |
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.