Sandra Buffa
First SEC filing: Aug. 14, 2023 · Latest: Aug. 14, 2023
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | NGVC | M | 1,532 | · | · | 13,551 Direct | +12.75% | Acquired | (price as of 2026-10-02) |
| March 5, 2026 | NGVC | M | None | · | · | 2,253 Direct | · | Disposed | (price as of 2026-10-02) |
| March 4, 2026 | NGVC | A | None | · | · | 3,785 Direct | · | Acquired | (price as of 2026-10-02) |
| March 6, 2025 | NGVC | M | 3,736 | · | · | 12,019 Direct | +45.10% | Acquired | (price as of 2026-10-02) |
| March 6, 2025 | NGVC | M | 3,736 | · | · | 1,532 Direct | -70.92% | Disposed | (price as of 2026-10-02) |
| March 5, 2025 | NGVC | A | 1,532 | · | · | 5,268 Direct | +41.01% | Acquired | (price as of 2026-10-02) |
| March 6, 2024 | NGVC | A | 3,736 | · | · | 3,736 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2024 | NGVC | M | 2,667 | · | · | 8,283 Direct | +47.49% | Acquired | (price as of 2026-10-02) |
| March 1, 2024 | NGVC | M | 2,667 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 11, 2023 | NGVC | A | 2,667 | · | · | 2,667 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 2, 2017 | NGVC | S 10b5-1 | 31,726 | $5.52 | $175,128 | 55,616 Direct | -36.32% | Disposed | 454.5% (price as of 2026-10-02) |
| Sept. 29, 2017 | NGVC | S 10b5-1 | 47,749 | $5.53 | $264,052 | 87,342 Direct | -35.35% | Disposed | 453.5% (price as of 2026-10-02) |
| Sept. 28, 2017 | NGVC | S 10b5-1 | 20,525 | $5.55 | $113,914 | 135,091 Direct | -13.19% | Disposed | 451.5% (price as of 2026-10-02) |
| Dec. 3, 2014 | NGVC | S 10b5-1 | 3,641 | $23.69 | $86,255 | 155,616 Direct | -2.29% | Disposed | 29.2% (price as of 2026-10-02) |
| Dec. 2, 2014 | NGVC | S 10b5-1 | 5,300 | $23.54 | $124,762 | 159,257 Direct | -3.22% | Disposed | 30.0% (price as of 2026-10-02) |
| Nov. 24, 2014 | NGVC | S 10b5-1 | 2,800 | $23.51 | $65,828 | 164,557 Direct | -1.67% | Disposed | 30.2% (price as of 2026-10-02) |
| Nov. 24, 2014 | NGVC | S 10b5-1 | 2,800 | $23.51 | $65,828 | 164,557 Direct | -1.67% | Disposed | 30.2% (price as of 2026-10-02) |
| Nov. 21, 2014 | NGVC | S 10b5-1 | 22,000 | $22.71 | $499,620 | 167,357 Direct | -11.62% | Disposed | 34.8% (price as of 2026-10-02) |
| Nov. 21, 2014 | NGVC | S 10b5-1 | 22,000 | $22.71 | $499,620 | 167,357 Direct | -11.62% | Disposed | 34.8% (price as of 2026-10-02) |
| Jan. 27, 2014 | NGVC | M | 29,741 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 27, 2014 | NGVC | M | 29,741 | · | · | 189,357 Direct | +18.63% | Acquired | (price as of 2026-10-02) |
| Jan. 8, 2014 | NGVC | S 10b5-1 | 7,688 | $42.58 | $327,355 | 159,616 Direct | -4.60% | Disposed | -28.1% (price as of 2026-10-02) |
| Jan. 7, 2014 | NGVC | S 10b5-1 | 10,069 | $42.51 | $428,033 | 167,304 Direct | -5.68% | Disposed | -28.0% (price as of 2026-10-02) |
| Dec. 31, 2013 | NGVC | S 10b5-1 | 2,243 | $42.52 | $95,372 | 177,373 Direct | -1.25% | Disposed | -28.0% (price as of 2026-10-02) |
| Dec. 4, 2013 | NGVC | S 10b5-1 | 1,607 | $40.00 | $64,280 | 179,616 Direct | -0.89% | Disposed | -23.5% (price as of 2026-10-02) |
| Nov. 1, 2013 | NGVC | S 10b5-1 | 926 | $40.04 | $37,077 | 181,223 Direct | -0.51% | Disposed | -23.6% (price as of 2026-10-02) |
| Oct. 31, 2013 | NGVC | S 10b5-1 | 11,117 | $40.25 | $447,459 | 182,149 Direct | -5.75% | Disposed | -24.0% (price as of 2026-10-02) |
| Oct. 30, 2013 | NGVC | S 10b5-1 | 1,700 | $40.00 | $68,000 | 193,266 Direct | -0.87% | Disposed | -23.5% (price as of 2026-10-02) |
| Oct. 21, 2013 | NGVC | S 10b5-1 | 900 | $40.00 | $36,000 | 194,966 Direct | -0.46% | Disposed | -23.5% (price as of 2026-10-02) |
| Sept. 30, 2013 | NGVC | S 10b5-1 | 8,750 | $40.07 | $350,612 | 195,866 Direct | -4.28% | Disposed | -23.6% (price as of 2026-10-02) |
| Sept. 26, 2013 | NGVC | S 10b5-1 | 3,949 | $39.15 | $154,603 | 204,616 Direct | -1.89% | Disposed | -21.8% (price as of 2026-10-02) |
| Sept. 26, 2013 | NGVC | S 10b5-1 | 7,856 | $38.50 | $302,456 | 208,565 Direct | -3.63% | Disposed | -20.5% (price as of 2026-10-02) |
| Sept. 20, 2013 | NGVC | S 10b5-1 | 1,900 | $39.25 | $74,575 | 216,421 Direct | -0.87% | Disposed | -22.0% (price as of 2026-10-02) |
| Sept. 20, 2013 | NGVC | S 10b5-1 | 1,295 | $38.77 | $50,207 | 218,321 Direct | -0.59% | Disposed | -21.0% (price as of 2026-10-02) |
| July 25, 2013 | NGVC | M | 29,740 | · | · | 29,741 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| July 25, 2013 | NGVC | M | 29,740 | · | · | 219,616 Direct | +15.66% | Acquired | (price as of 2026-10-02) |
| Jan. 25, 2013 | NGVC | M | 29,740 | · | · | 59,481 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Jan. 25, 2013 | NGVC | M | 29,740 | · | · | 189,876 Direct | +18.57% | Acquired | (price as of 2026-10-02) |
| Aug. 1, 2012 | NGVC | A | 89,221 | · | · | 89,221 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 1, 2012 | NGVC | A | 89,221 | · | · | 89,221 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 1, 2012 | NGVC | A | 156,136 | · | · | 160,136 Direct | +3903.40% | Acquired | (price as of 2026-10-02) |
| July 26, 2012 | NGVC | P | 4,000 | $15.00 | $60,000 | 4,000 Direct | · | Acquired | 104.1% (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 5, 2026 | NGVC | Restricted Stock Units | Common Stock | · | March 5, 2026 | · | Disposed |
| March 4, 2026 | NGVC | Restricted Stock Units | Common Stock | · | · | · | Acquired |
| March 6, 2025 | NGVC | Restricted Stock Units | Common Stock | · | March 6, 2025 | 3,736 | Disposed |
| March 5, 2025 | NGVC | Restricted Stock Units | Common Stock | · | · | 1,532 | Acquired |
| March 6, 2024 | NGVC | Restricted Stock Units | Common Stock | · | · | 3,736 | Acquired |
| March 1, 2024 | NGVC | Restricted Stock Units | Common Stock | · | March 1, 2024 | 2,667 | Disposed |
| Aug. 11, 2023 | NGVC | Restricted Stock Units | Common Stock | · | · | 2,667 | Acquired |
| Jan. 27, 2014 | NGVC | Restricted Stock Units | Common Stock | · | Jan. 27, 2014 | 29,741 | Disposed |
| July 25, 2013 | NGVC | Restricted Stock Units | Common Stock | · | July 25, 2013 | 29,740 | Disposed |
| Jan. 25, 2013 | NGVC | Restricted Stock Units | Common Stock | · | Jan. 25, 2013 | 29,740 | Disposed |
| Aug. 1, 2012 | NGVC | Restricted Stock Units | Common Stock | · | · | 89,221 | Acquired |
| Aug. 1, 2012 | NGVC | Restricted Stock Units | Common Stock | · | · | 89,221 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 14, 2023 | NGVC | Common Stock | 5,616 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2018 | $427,499 | · | · | · | · | · | $706,364 | $1,133,863 |
| 2017 | $680,000 | · | · | · | · | · | $9,388 | $689,388 |
| 2014 | $345,000 | · | · | · | $58,889 | · | $12,093 | $415,982 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.