Donald J. Tringali serves as Executive at NATIONAL TECHNICAL SYSTEMS INC /CA/, where they oversee executive responsibilities. Since joining the company, Donald J. Tringali has executed 34 insider transactions totaling $70.7K, demonstrating a bullish approach to their equity position. Their most recent transaction on Dec 3, 2025 involved receiving (via award) 49 shares valued at $1.5K.
Donald J. Tringali currently holds 13,664 shares of NATIONAL TECHNICAL SYSTEMS INC /CA/ (NTSC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Donald J. Tringali has been a net buyer of NTSC stock. They have purchased $70.7K and sold $0 worth of shares.
Donald J. Tringali's most recent insider trade was on Dec 3, 2025, when they sold 49 shares at $30.50 per share.
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| $24.78 |
| Discretionary |
| May 9, 2024 | NGS | $0 | Award | 947 | $N/A | Discretionary |
| May 9, 2024 | NGS | $0 | Award | 8,523 | $N/A | Discretionary |
| Aug 26, 2021 | IAIC | $50.0K | Award | 25,000 | $2.00 | Discretionary |
| May 11, 2018 | CRTN | $10.0K | Tender | 25,000 | $0.40 | Discretionary |
| Jul 25, 2017 | CRTN | $0 | Award | 12,500 | $N/A | Discretionary |
| Aug 18, 2016 | CRTN | $3.0K | Purchase | 5,000 | $0.61 | Discretionary |
| Jul 22, 2016 | CRTN | $0 | Award | 20,000 | $N/A | Discretionary |
| Nov 22, 2013 | NTSC | $0 | Disposition | 158,332 | $N/A | Discretionary |
| Oct 5, 2011 | NTSC | $3.8K | Purchase | 800 | $4.75 | Discretionary |
| Oct 4, 2011 | NTSC | $1.0K | Purchase | 200 | $5.00 | Discretionary |
| Sep 29, 2011 | NTSC | $10.0K | Purchase | 2,000 | $5.00 | Discretionary |
| Sep 29, 2011 | NTSC | $10.5K | Purchase | 2,000 | $5.25 | Discretionary |
| Sep 29, 2011 | NTSC | $5.3K | Purchase | 1,000 | $5.30 | Discretionary |
| Sep 29, 2011 | NTSC | $5.3K | Purchase | 1,000 | $5.34 | Discretionary |
| Sep 27, 2011 | NTSC | $63.5K | Award | 11,848 | $5.36 | Discretionary |
| Sep 23, 2011 | NTSC | $5.5K | Purchase | 1,000 | $5.55 | Discretionary |
| Sep 22, 2011 | NTSC | $560 | Purchase | 100 | $5.60 | Discretionary |
| Sep 22, 2011 | NTSC | $1.1K | Purchase | 200 | $5.55 | Discretionary |
| Aug 2, 2011 | NTSC | $11.0K | Option Exercise | 2,500 | $4.41 | Discretionary |
| Aug 2, 2011 | NTSC | $5.5K | Option Exercise | 2,500 | $2.19 | Discretionary |
| Aug 2, 2011 | NTSC | $11.4K | Option Exercise | 2,500 | $4.56 | Discretionary |
| Aug 2, 2011 | NTSC | $11.1K | Option Exercise | 2,500 | $4.45 | Discretionary |
| Jul 16, 2010 | NTSC | $63.5K | Award | 8,018 | $7.92 | Discretionary |
| Jun 24, 2010 | NTSC | $14.0K | Option Exercise | 10,000 | $1.40 | Discretionary |
| Jun 24, 2010 | NTSC | $5.1K | Option Exercise | 2,500 | $2.04 | Discretionary |
| Jun 24, 2010 | NTSC | $19.1K | Option Exercise | 10,000 | $1.91 | Discretionary |
| Mar 17, 2010 | NTSC | $137.8K | Award | 25,000 | $5.51 | Discretionary |
| Jan 13, 2009 | NTSC | $6.3K | Purchase | 1,798 | $3.50 | Discretionary |