Chuan-Sheng Chiao
First SEC filing: Nov. 21, 2017 · Latest: Nov. 21, 2017
Insider at
Insider transactions
Price change vs the latest weekly close (updated to the current quote in your browser when available), 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 20, 2020 | ACM | S | 21,594 | $38.57 | $832,881 | 38,214 Direct | -36.11% | Disposed | 56.8% (price as of ) |
| Dec. 15, 2019 | ACM | M | 6,814 | $38.16 | $260,022 | 51,191 Direct | +15.35% | Acquired | 58.5% (price as of ) |
| Dec. 15, 2019 | ACM | A | 8,617 | · | · | 59,808 Direct | +16.83% | Acquired | |
| Dec. 15, 2019 | ACM | M | 6,814 | · | · | 0 Direct | -100.00% | Disposed | |
| Dec. 15, 2019 | ACM | A | 6,503 | · | · | 6,503 Direct | · | Acquired | |
| Dec. 15, 2018 | ACM | M | 10,027 | $27.91 | $279,854 | 31,843 Direct | +45.96% | Acquired | 116.7% (price as of ) |
| Dec. 15, 2018 | ACM | A | 12,534 | · | · | 44,377 Direct | +39.36% | Acquired | |
| Dec. 15, 2018 | ACM | M | 10,027 | · | · | 10,027 Direct | -50.00% | Disposed | |
| Dec. 15, 2018 | ACM | A | 10,182 | · | · | 10,182 Direct | · | Acquired | |
| June 4, 2018 | ACM | S | 18,000 | $33.40 | $601,200 | 21,816 Direct | -45.21% | Disposed | 81.1% (price as of ) |
| June 1, 2018 | ACM | S | 1,700 | $33.31 | $56,627 | 39,816 Direct | -4.09% | Disposed | 81.6% (price as of ) |
| Dec. 15, 2017 | ACM | M | 7,714 | $36.93 | $284,878 | 31,873 Direct | +31.93% | Acquired | 63.8% (price as of ) |
| Dec. 15, 2017 | ACM | A | 9,643 | $36.93 | $356,116 | 41,516 Direct | +30.25% | Acquired | 63.8% (price as of ) |
| Dec. 15, 2017 | ACM | M | 7,714 | · | · | 7,714 Direct | · | Acquired | |
| Dec. 15, 2017 | ACM | A | 7,041 | · | · | 7,041 Direct | · | Acquired |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 15, 2019 | ACM | Restricted Stock Unit | Common Stock | · | · | 6,814 | Disposed |
| Dec. 15, 2019 | ACM | Restricted Stock Unit | Common Stock | · | · | 6,503 | Acquired |
| Dec. 15, 2018 | ACM | Restricted Stock Unit | Common Stock | · | · | 10,027 | Disposed |
| Dec. 15, 2018 | ACM | Restricted Stock Unit | Common Stock | · | · | 10,182 | Acquired |
| Dec. 15, 2017 | ACM | Restricted Stock Unit | Common Stock | · | · | 7,714 | Acquired |
| Dec. 15, 2017 | ACM | Restricted Stock Unit | Common Stock | · | · | 7,041 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
Holdings reported on Form 4 6 reported holdings
Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.
| Date | Ticker | Security | Shares | Exercise price | Expiration | Ownership |
|---|---|---|---|---|---|---|
| Aug. 21, 2020 | ACM | Restricted Stock Unit | 7,041 | · | · | Direct |
| Aug. 21, 2020 | ACM | Restricted Stock Unit | 10,182 | · | · | Direct |
| Aug. 21, 2020 | ACM | Restricted Stock Unit | 6,503 | · | · | Direct |
| June 5, 2018 | ACM | Restricted Stock Unit | 10,027 | · | · | Direct |
| June 5, 2018 | ACM | Restricted Stock Unit | 6,814 | · | · | Direct |
| June 5, 2018 | ACM | Restricted Stock Unit | 7,041 | · | · | Direct |