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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| NGVC | Buffa Sandra | Director | Mar 05 '26 | Option Exercise | 0.00 | 1,532 | 0 | 13,551 | Mar 06 |
| NGVC | Buffa Sandra | Director | Mar 06 '25 | Option Exercise | 0.00 | 3,736 | 0 | 12,019 | Mar 07 |
| NGVC | Buffa Sandra | Director | Mar 01 '24 | Option Exercise | 0.00 | 2,667 | 0 | 8,283 | Mar 05 |
| NGVC | Buffa Sandra | Chief Financial Officer | Oct 02 '17 | Sale | 5.52 | 31,726 | 175,099 | 55,616 | Oct 02 |
| NGVC | Buffa Sandra | Chief Financial Officer | Sep 29 '17 | Sale | 5.53 | 47,749 | 264,143 | 87,342 | Oct 02 |
| NGVC | Buffa Sandra | Chief Financial Officer | Sep 28 '17 | Sale | 5.55 | 20,525 | 113,977 | 135,091 | Oct 02 |
| NGVC | Buffa Sandra | Chief Financial Officer | Dec 03 '14 | Sale | 23.69 | 3,641 | 86,254 | 155,616 | Dec 04 |
| NGVC | Buffa Sandra | Chief Financial Officer | Dec 02 '14 | Sale | 23.54 | 5,300 | 124,757 | 159,257 | Dec 04 |
| NGVC | Buffa Sandra | Chief Financial Officer | Nov 24 '14 | Sale | 23.51 | 5,600 | 131,670 | 164,557 | Dec 01 |
| NGVC | Buffa Sandra | Chief Financial Officer | Nov 21 '14 | Sale | 22.71 | 44,000 | 999,144 | 167,357 | Dec 01 |
| NGVC | Buffa Sandra | Chief Financial Officer | Jan 27 '14 | Option Exercise | 0.00 | 29,741 | 0 | 189,357 | Jan 28 |
| NGVC | Buffa Sandra | Chief Financial Officer | Jan 08 '14 | Sale | 42.58 | 7,688 | 327,342 | 159,616 | Jan 08 |
| NGVC | Buffa Sandra | Chief Financial Officer | Jan 07 '14 | Sale | 42.51 | 10,069 | 428,058 | 167,304 | Jan 07 |
| NGVC | Buffa Sandra | Chief Financial Officer | Dec 31 '13 | Sale | 42.52 | 2,243 | 95,376 | 177,373 | Jan 06 |
| NGVC | Buffa Sandra | Chief Financial Officer | Dec 04 '13 | Sale | 40.00 | 1,607 | 64,280 | 179,616 | Dec 05 |
| NGVC | Buffa Sandra | Chief Financial Officer | Nov 01 '13 | Sale | 40.04 | 926 | 37,077 | 181,223 | Nov 04 |
| NGVC | Buffa Sandra | Chief Financial Officer | Oct 31 '13 | Sale | 40.25 | 11,117 | 447,481 | 182,149 | Oct 31 |
| NGVC | Buffa Sandra | Chief Financial Officer | Oct 30 '13 | Sale | 40.00 | 1,700 | 68,000 | 193,266 | Oct 31 |
| NGVC | Buffa Sandra | Chief Financial Officer | Oct 21 '13 | Sale | 40.00 | 900 | 36,002 | 194,966 | Oct 22 |
| NGVC | Buffa Sandra | Chief Financial Officer | Sep 30 '13 | Sale | 40.07 | 8,750 | 350,577 | 195,866 | Sep 30 |
| NGVC | Buffa Sandra | Chief Financial Officer | Sep 26 '13 | Sale | 38.72 | 11,805 | 457,042 | 204,616 | Sep 30 |
| NGVC | Buffa Sandra | Chief Financial Officer | Sep 20 '13 | Sale | 39.05 | 3,195 | 124,775 | 216,421 | Sep 24 |
| NGVC | Buffa Sandra | Chief Financial Officer | Jul 25 '13 | Option Exercise | 0.00 | 29,740 | 0 | 219,616 | Jul 25 |
| NGVC | Buffa Sandra | Chief Financial Officer | Jan 25 '13 | Option Exercise | 0.00 | 29,740 | 0 | 189,876 | Jan 29 |