Cheng-Ming Huang
CIK 1714166 · View on SEC EDGAR ↗
Insider
First SEC filing: March 18, 2026 · Latest: March 18, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
last 12 months, based on the transactions shown below
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 23, 2020 | GIGM | P | 5,783 | $2.91 | $16,829 | 1,073,566 Indirect | +0.54% | Acquired | -50.9% (price as of 2026-08-21) |
| Sept. 22, 2020 | GIGM | P | 15,787 | $2.88 | $45,467 | 1,067,783 Indirect | +1.50% | Acquired | -50.3% (price as of 2026-08-21) |
| Sept. 9, 2020 | GIGM | P | 7,470 | $2.91 | $21,738 | 1,051,996 Indirect | +0.72% | Acquired | -50.9% (price as of 2026-08-21) |
| Sept. 8, 2020 | GIGM | P | 50,000 | $2.90 | $145,000 | 1,044,526 Indirect | +5.03% | Acquired | -50.7% (price as of 2026-08-21) |
| Sept. 4, 2020 | GIGM | P | 11,267 | $2.70 | $30,421 | 994,526 Indirect | +1.15% | Acquired | -47.0% (price as of 2026-08-21) |
| May 19, 2020 | GIGM | P | 40,000 | $2.49 | $99,600 | 983,259 Indirect | +4.24% | Acquired | -42.6% (price as of 2026-08-21) |
| May 18, 2020 | GIGM | P | 60,000 | $2.45 | $147,000 | 943,259 Indirect | +6.79% | Acquired | -41.6% (price as of 2026-08-21) |
| May 15, 2020 | GIGM | P | 10,190 | $2.30 | $23,437 | 883,259 Indirect | +1.17% | Acquired | -37.8% (price as of 2026-08-21) |
| Aug. 19, 2019 | GIGM | P | 9,742 | $2.40 | $23,381 | 873,069 Indirect | +1.13% | Acquired | -40.4% (price as of 2026-08-21) |
| Aug. 15, 2019 | GIGM | P | 60,000 | $2.34 | $140,400 | 863,327 Indirect | +7.47% | Acquired | -38.9% (price as of 2026-08-21) |
| June 21, 2019 | GIGM | P | 9,944 | $2.52 | $25,059 | 803,327 Indirect | +1.25% | Acquired | -43.3% (price as of 2026-08-21) |
| June 19, 2019 | GIGM | P | 57,885 | $2.50 | $144,712 | 793,383 Indirect | +7.87% | Acquired | -42.8% (price as of 2026-08-21) |
| June 14, 2019 | GIGM | P | 6,148 | $2.55 | $15,677 | 735,498 Indirect | +0.84% | Acquired | -43.9% (price as of 2026-08-21) |
| June 13, 2019 | GIGM | P | 3,800 | $2.50 | $9,500 | 729,350 Indirect | +0.52% | Acquired | -42.8% (price as of 2026-08-21) |
| June 12, 2019 | GIGM | P | 25,484 | $2.39 | $60,907 | 725,550 Indirect | +3.64% | Acquired | -40.2% (price as of 2026-08-21) |
| Dec. 21, 2018 | GIGM | P | 70,000 | $2.91 | $203,700 | 700,066 Indirect | +11.11% | Acquired | -50.9% (price as of 2026-08-21) |
| Dec. 19, 2018 | GIGM | P | 80,000 | $2.69 | $215,200 | 630,066 Indirect | +14.54% | Acquired | -46.8% (price as of 2026-08-21) |
| Sept. 14, 2018 | GIGM | P | 63,883 | $3.00 | $191,649 | 550,066 Indirect | +13.14% | Acquired | -52.3% (price as of 2026-08-21) |
| Sept. 13, 2018 | GIGM | P | 6,084 | $2.93 | $17,826 | 486,183 Indirect | +1.27% | Acquired | -51.2% (price as of 2026-08-21) |
| Aug. 16, 2018 | GIGM | P | 50,000 | $3.04 | $152,000 | 480,099 Indirect | +11.63% | Acquired | -53.0% (price as of 2026-08-21) |
| Aug. 15, 2018 | GIGM | P | 1,387 | $2.92 | $4,050 | 430,099 Indirect | +0.32% | Acquired | -51.0% (price as of 2026-08-21) |
| Aug. 14, 2018 | GIGM | P | 60,000 | $2.89 | $173,400 | 428,712 Indirect | +16.27% | Acquired | -50.5% (price as of 2026-08-21) |
| June 5, 2018 | GIGM | P | 18,937 | $3.18 | $60,220 | 368,712 Indirect | +5.41% | Acquired | -55.0% (price as of 2026-08-21) |
| June 4, 2018 | GIGM | P | 12,964 | $2.98 | $38,633 | 349,775 Indirect | +3.85% | Acquired | -52.0% (price as of 2026-08-21) |
| Dec. 20, 2017 | GIGM | P | 9,091 | $3.03 | $27,546 | 336,811 Indirect | +2.77% | Acquired | -52.8% (price as of 2026-08-21) |
| Dec. 19, 2017 | GIGM | P | 35,042 | $3.00 | $105,126 | 327,720 Indirect | +11.97% | Acquired | -52.3% (price as of 2026-08-21) |
| Dec. 6, 2017 | GIGM | P | 55,070 | $2.94 | $161,906 | 292,678 Indirect | +23.18% | Acquired | -51.4% (price as of 2026-08-21) |
| Sept. 19, 2017 | GIGM | P | 50,000 | $3.00 | $150,000 | 237,608 Indirect | +26.65% | Acquired | -52.3% (price as of 2026-08-21) |
| Sept. 18, 2017 | GIGM | P | 50,000 | $2.98 | $149,000 | 187,608 Indirect | +36.34% | Acquired | -52.0% (price as of 2026-08-21) |
| Aug. 21, 2017 | GIGM | P | 100,000 | $2.94 | $294,000 | 137,608 Indirect | +265.90% | Acquired | -51.4% (price as of 2026-08-21) |
| Aug. 4, 2017 | GIGM | P | 37,608 | $2.99 | $112,448 | 37,608 Indirect | — | Acquired | -52.2% (price as of 2026-08-21) |
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.
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.