Daniel Jl Liao
CIK 1775769 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 16, 2020 · Latest: Sept. 16, 2020
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 36 non-open-market transactions below
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 23, 2026 | AMKR | A | 3 | — | — | 2,616 Direct | +0.11% | Acquired | (price as of 2026-08-20) |
| June 23, 2026 | AMKR | A | 9 | — | — | 9,902 Direct | +0.09% | Acquired | (price as of 2026-08-20) |
| April 13, 2026 | PLAB | A | 3,722 | — | — | 72,504 Direct | +5.41% | Acquired | (price as of 2026-08-20) |
| Jan. 20, 2026 | PLAB | A | 1,234 | — | — | 68,782 Direct | +1.83% | Acquired | (price as of 2026-08-20) |
| June 25, 2025 | AMKR | A | 39 | — | — | 9,828 Direct | +0.40% | Acquired | (price as of 2026-08-20) |
| May 15, 2025 | AMKR | A | 9,789 | — | — | 9,789 Direct | — | Acquired | (price as of 2026-08-20) |
| May 14, 2025 | AMKR | M | 6,017 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| May 14, 2025 | AMKR | M | 6,017 | — | — | 40,804 Direct | +17.30% | Acquired | (price as of 2026-08-20) |
| April 2, 2025 | AMKR | A | 26 | — | — | 6,017 Direct | +0.43% | Acquired | (price as of 2026-08-20) |
| Feb. 13, 2025 | PLAB | A | 7,548 | — | — | 67,548 Direct | +12.58% | Acquired | (price as of 2026-08-20) |
| Feb. 13, 2025 | PLAB | A | 3,108 | $22.52 | $69,992 | 63,108 Direct | +5.18% | Acquired | 35.7% (price as of 2026-08-20) |
| Dec. 23, 2024 | AMKR | A | 109 | — | — | 5,991 Direct | +1.85% | Acquired | (price as of 2026-08-20) |
| Sept. 23, 2024 | AMKR | A | 15 | — | — | 5,882 Direct | +0.26% | Acquired | (price as of 2026-08-20) |
| June 24, 2024 | AMKR | A | 12 | — | — | 5,867 Direct | +0.20% | Acquired | (price as of 2026-08-20) |
| May 14, 2024 | AMKR | A | 5,855 | — | — | 5,855 Direct | — | Acquired | (price as of 2026-08-20) |
| May 14, 2024 | AMKR | M | 8,571 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| May 14, 2024 | AMKR | M | 8,571 | — | — | 34,787 Direct | +32.69% | Acquired | (price as of 2026-08-20) |
| April 1, 2024 | AMKR | A | 21 | — | — | 8,571 Direct | +0.25% | Acquired | (price as of 2026-08-20) |
| Jan. 3, 2024 | PLAB | A | 15,000 | — | — | 60,000 Direct | +33.33% | Acquired | (price as of 2026-08-20) |
| Dec. 26, 2023 | AMKR | A | 20 | — | — | 8,550 Direct | +0.23% | Acquired | (price as of 2026-08-20) |
| Sept. 25, 2023 | AMKR | A | 28 | — | — | 8,531 Direct | +0.33% | Acquired | (price as of 2026-08-20) |
| June 26, 2023 | AMKR | A | 24 | — | — | 8,502 Direct | +0.28% | Acquired | (price as of 2026-08-20) |
| May 16, 2023 | AMKR | A | 8,478 | — | — | 8,478 Direct | — | Acquired | (price as of 2026-08-20) |
| May 16, 2023 | AMKR | M | 8,809 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| May 16, 2023 | AMKR | M | 8,809 | — | — | 26,216 Direct | +50.61% | Acquired | (price as of 2026-08-20) |
| March 20, 2023 | AMKR | A | 26 | — | — | 8,809 Direct | +0.30% | Acquired | (price as of 2026-08-20) |
| Dec. 27, 2022 | AMKR | A | 27 | — | — | 8,783 Direct | +0.31% | Acquired | (price as of 2026-08-20) |
| Sept. 26, 2022 | AMKR | A | 26 | — | — | 8,757 Direct | +0.30% | Acquired | (price as of 2026-08-20) |
| June 27, 2022 | AMKR | A | 25 | — | — | 8,731 Direct | +0.29% | Acquired | (price as of 2026-08-20) |
| May 17, 2022 | AMKR | A | 8,706 | — | — | 26,113 Direct | +50.01% | Acquired | (price as of 2026-08-20) |
| May 18, 2021 | AMKR | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-20) |
| May 18, 2021 | AMKR | A | 3,094 | — | — | 17,407 Direct | +21.62% | Acquired | (price as of 2026-08-20) |
| May 19, 2020 | AMKR | A | 6,106 | — | — | 14,313 Direct | +74.40% | Acquired | (price as of 2026-08-20) |
| May 19, 2020 | AMKR | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-20) |
| May 15, 2019 | AMKR | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-20) |
| May 15, 2019 | AMKR | A | 8,207 | — | — | 8,207 Direct | — | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| June 23, 2026 | AMKR | Restricted Stock Units | Common Stock (3) | — | — | 3 | Acquired |
| June 23, 2026 | AMKR | Restricted Stock Units | Common Stock (9) | — | — | 9 | Acquired |
| June 25, 2025 | AMKR | Restricted Stock Units | Common Stock (39) | — | — | 39 | Acquired |
| May 15, 2025 | AMKR | Restricted Stock Units | Common Stock (9,789) | — | — | 9,789 | Acquired |
| May 14, 2025 | AMKR | Restricted Stock Units | Common Stock | — | — | 6,017 | Disposed |
| April 2, 2025 | AMKR | Restricted Stock Units | Common Stock (26) | — | — | 26 | Acquired |
| Dec. 23, 2024 | AMKR | Restricted Stock Units | Common Stock (109) | — | — | 109 | Acquired |
| Sept. 23, 2024 | AMKR | Restricted Stock Units | Common Stock (15) | — | — | 15 | Acquired |
| June 24, 2024 | AMKR | Restricted Stock Units | Common Stock (12) | — | — | 12 | Acquired |
| May 14, 2024 | AMKR | Restricted Stock Units | Common Stock (5,855) | — | — | 5,855 | Acquired |
| May 14, 2024 | AMKR | Restricted Stock Units | Common Stock | — | — | 8,571 | Disposed |
| April 1, 2024 | AMKR | Restricted Stock Units | Common Stock (21) | — | — | 21 | Acquired |
| Dec. 26, 2023 | AMKR | Restricted Stock Units | Common Stock (20) | — | — | 20 | Acquired |
| Sept. 25, 2023 | AMKR | Restricted Stock Units | Common Stock | — | — | 28 | Acquired |
| June 26, 2023 | AMKR | Restricted Stock Units | Common Stock | — | — | 24 | Acquired |
| May 16, 2023 | AMKR | Restricted Stock Units | Common Stock (8,478) | — | — | 8,478 | Acquired |
| May 16, 2023 | AMKR | Restricted Stock Units | Common Stock | — | — | 8,809 | Disposed |
| March 20, 2023 | AMKR | Restricted Stock Units | Common Stock | — | — | 26 | Acquired |
| Dec. 27, 2022 | AMKR | Restricted Stock Units | Common Stock | — | — | 27 | Acquired |
| Sept. 26, 2022 | AMKR | Restricted Stock Units | Common Stock | — | — | 26 | Acquired |
| June 27, 2022 | AMKR | Restricted Stock Units | Common Stock | — | — | 25 | Acquired |
| May 18, 2021 | AMKR | Director Stock Option (Right to Buy) | Common Stock (20,000) | $19.39 | May 18, 2031 | 20,000 | Acquired |
| May 19, 2020 | AMKR | Director Stock Option (Right to Buy) | Common Stock (20,000) | $9.83 | May 19, 2030 | 20,000 | Acquired |
| May 15, 2019 | AMKR | Director Stock Option (Right to Buy) | Amkor Technology, Inc. Common Stock (20,000) | $7.31 | May 15, 2029 | 20,000 | 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 |
|---|---|---|---|---|
| Sept. 16, 2020 | PLAB | COMMON STOCK | 0 | Direct |