Insider · CIK 0001199696
Donald J Tringali
Files at: NGS, CRTN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 2026 AForm 4 → | Sep 3, 3:15 pm EDT | NATURAL GAS SERVICES GROUP INCNGS | 59 | $35.22 | $2,078 | 13,812 | — | |
| Jun 8, 2026 AForm 4 → | Jun 9, 10:41 am EDT | NATURAL GAS SERVICES GROUP INCNGS | 49 | $42.42 | $2,079 | 17,763 | — | amended |
| Jun 5, 2026 AForm 4 → | Jun 8, 3:00 pm EDT | NATURAL GAS SERVICES GROUP INCNGS | 4,456 | — | — | 17,714 | — | |
| May 11, 2018 UForm 4 → | May 15, 5:04 pm EDT | Cartesian, Inc.CRTN | 25,000 | $0.40 | $10,000 | 12,500 | — | plan? |
| Jul 25, 2017 AForm 4 → | Jul 31, 5:16 pm EDT | Cartesian, Inc.CRTN | 12,500 | — | — | 37,500 | — | plan? late |
| Aug 18, 2016 PForm 4 → | Aug 19, 4:04 pm EDT | Cartesian, Inc.CRTN | 5,000 | $0.61 | $3,050 | 25,000 | +25.0% | plan? |
| Jul 22, 2016 AForm 4 → | Jul 26, 4:22 pm EDT | Cartesian, Inc.CRTN | 20,000 | — | — | 20,000 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 10, 2026 AForm 4 → | Jun 11, 10:27 am EDT | NATURAL GAS SERVICES GROUP INCNGS | 4,574 | — | — | 4,574 | — | |
| Jun 5, 2026 MForm 4 → | Jun 8, 3:00 pm EDT | NATURAL GAS SERVICES GROUP INCNGS | 4,456 | — | — | 0 | — |