WHANG JONG S
CIK 1046064 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 29, 2018 · Latest: Nov. 29, 2018
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Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 32 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
32 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 23, 2022 | ASYS | S | 50,000 | $13.07 | $653,500 | 70,681 Direct | -41.43% | Disposed | 10.8% (price as of 2026-08-21) |
| Sept. 8, 2021 | ASYS | S | 36,667 | $10.24 | $375,470 | 70,681 Direct | -34.16% | Disposed | 41.4% (price as of 2026-08-21) |
| March 13, 2020 | ASYS | P | 5,115 | $3.90 | $19,948 | 70,681 Direct | +7.80% | Acquired | 271.3% (price as of 2026-08-21) |
| Nov. 27, 2017 | ASYS | S | 18,600 | $12.54 | $233,244 | 53,066 Direct | -25.95% | Disposed | 15.5% (price as of 2026-08-21) |
| May 20, 2015 | ASYS | S | 65,613 | $11.15 | $731,585 | 41,666 Direct | -61.16% | Disposed | 29.9% (price as of 2026-08-21) |
| March 4, 2014 | ASYS | S | 24,950 | $12.63 | $315,118 | 107,279 Direct | -18.87% | Disposed | 14.6% (price as of 2026-08-21) |
| Feb. 28, 2014 | ASYS | S | 6,300 | $11.13 | $70,119 | 107,279 Direct | -5.55% | Disposed | 30.1% (price as of 2026-08-21) |
| Feb. 21, 2014 | ASYS | S | 12,686 | $9.72 | $123,308 | 107,279 Direct | -10.57% | Disposed | 49.0% (price as of 2026-08-21) |
| Feb. 20, 2014 | ASYS | S | 24,914 | $9.98 | $248,642 | 107,279 Direct | -18.85% | Disposed | 45.1% (price as of 2026-08-21) |
| Feb. 19, 2014 | ASYS | S | 22,400 | $10.00 | $224,000 | 107,279 Direct | -17.27% | Disposed | 44.8% (price as of 2026-08-21) |
| Aug. 11, 2011 | ASYS | P | 8,913 | $11.02 | $98,221 | 88,946 Direct | +11.14% | Acquired | 31.4% (price as of 2026-08-21) |
| Feb. 28, 2011 | ASYS | P | 2,100 | $23.01 | $48,321 | 77,933 Direct | +2.77% | Acquired | -37.1% (price as of 2026-08-21) |
| Feb. 28, 2011 | ASYS | P | 100 | $22.78 | $2,278 | 78,033 Direct | +0.13% | Acquired | -36.4% (price as of 2026-08-21) |
| Feb. 28, 2011 | ASYS | P | 1,700 | $22.81 | $38,777 | 79,733 Direct | +2.18% | Acquired | -36.5% (price as of 2026-08-21) |
| Feb. 28, 2011 | ASYS | P | 100 | $22.79 | $2,279 | 79,833 Direct | +0.13% | Acquired | -36.5% (price as of 2026-08-21) |
| Feb. 28, 2011 | ASYS | P | 200 | $22.80 | $4,560 | 80,033 Direct | +0.25% | Acquired | -36.5% (price as of 2026-08-21) |
| Dec. 10, 2010 | ASYS | S | 12,500 | $25.12 | $314,000 | 75,833 Direct | -14.15% | Disposed | -42.4% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 2,385 | $20.18 | $48,129 | 97,192 Direct | -2.40% | Disposed | -28.2% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 500 | $20.17 | $10,085 | 96,962 Direct | -0.51% | Disposed | -28.2% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 500 | $20.19 | $10,095 | 96,192 Direct | -0.52% | Disposed | -28.3% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 200 | $20.28 | $4,056 | 95,992 Direct | -0.21% | Disposed | -28.6% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 200 | $20.26 | $4,052 | 95,792 Direct | -0.21% | Disposed | -28.5% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 64 | $20.23 | $1,295 | 95,728 Direct | -0.07% | Disposed | -28.4% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 500 | $20.22 | $10,110 | 95,228 Direct | -0.52% | Disposed | -28.4% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 400 | $20.14 | $8,056 | 94,828 Direct | -0.42% | Disposed | -28.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 200 | $20.10 | $4,020 | 94,628 Direct | -0.21% | Disposed | -28.0% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 100 | $20.15 | $2,015 | 94,528 Direct | -0.11% | Disposed | -28.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 700 | $20.29 | $14,203 | 93,828 Direct | -0.74% | Disposed | -28.6% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 746 | $20.30 | $15,144 | 93,082 Direct | -0.80% | Disposed | -28.7% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 1,280 | $20.32 | $26,010 | 91,802 Direct | -1.38% | Disposed | -28.7% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 300 | $20.33 | $6,099 | 91,502 Direct | -0.33% | Disposed | -28.8% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 488 | $20.42 | $9,965 | 91,014 Direct | -0.53% | Disposed | -29.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 500 | $20.37 | $10,185 | 90,514 Direct | -0.55% | Disposed | -28.9% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 849 | $20.34 | $17,269 | 89,665 Direct | -0.94% | Disposed | -28.8% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 490 | $20.35 | $9,972 | 89,175 Direct | -0.55% | Disposed | -28.8% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 100 | $20.41 | $2,041 | 89,075 Direct | -0.11% | Disposed | -29.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 200 | $20.73 | $4,146 | 88,875 Direct | -0.22% | Disposed | -30.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 42 | $21.07 | $885 | 88,833 Direct | -0.05% | Disposed | -31.3% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 500 | $21.00 | $10,500 | 88,333 Direct | -0.56% | Disposed | -31.0% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 500 | $21.00 | $10,500 | 111,875 Direct | -0.44% | Disposed | -31.0% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 13 | $20.76 | $270 | 111,862 Direct | -0.01% | Disposed | -30.3% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 187 | $20.73 | $3,877 | 111,675 Direct | -0.17% | Disposed | -30.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 5 | $20.31 | $102 | 111,670 Direct | 0.00% | Disposed | -28.7% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 100 | $20.41 | $2,041 | 111,570 Direct | -0.09% | Disposed | -29.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 20 | $20.33 | $407 | 111,550 Direct | -0.02% | Disposed | -28.8% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 310 | $20.35 | $6,308 | 111,240 Direct | -0.28% | Disposed | -28.8% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 700 | $20.34 | $14,238 | 110,540 Direct | -0.63% | Disposed | -28.8% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 300 | $20.37 | $6,111 | 110,240 Direct | -0.27% | Disposed | -28.9% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 312 | $20.42 | $6,371 | 109,928 Direct | -0.28% | Disposed | -29.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 1,120 | $20.32 | $22,758 | 108,808 Direct | -1.02% | Disposed | -28.7% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 500 | $20.29 | $10,145 | 107,628 Direct | -0.46% | Disposed | -28.6% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 600 | $20.20 | $12,120 | 107,028 Direct | -0.56% | Disposed | -28.3% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 200 | $20.10 | $4,020 | 106,828 Direct | -0.19% | Disposed | -28.0% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 300 | $20.14 | $6,042 | 106,528 Direct | -0.28% | Disposed | -28.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 500 | $20.22 | $10,110 | 106,028 Direct | -0.47% | Disposed | -28.4% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 280 | $20.26 | $5,673 | 105,748 Direct | -0.26% | Disposed | -28.5% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 100 | $20.28 | $2,028 | 105,648 Direct | -0.09% | Disposed | -28.6% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 600 | $20.21 | $12,126 | 105,048 Direct | -0.57% | Disposed | -28.4% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 200 | $20.15 | $4,030 | 104,848 Direct | -0.19% | Disposed | -28.1% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 300 | $20.17 | $6,051 | 104,548 Direct | -0.29% | Disposed | -28.2% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 400 | $20.19 | $8,076 | 104,148 Direct | -0.38% | Disposed | -28.3% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 300 | $20.16 | $6,048 | 103,848 Direct | -0.29% | Disposed | -28.2% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 515 | $20.18 | $10,393 | 103,333 Direct | -0.50% | Disposed | -28.2% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 903 | $20.21 | $18,250 | 102,430 Direct | -0.87% | Disposed | -28.4% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 976 | $20.20 | $19,715 | 101,454 Direct | -0.95% | Disposed | -28.3% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 77 | $20.25 | $1,559 | 101,377 Direct | -0.08% | Disposed | -28.5% (price as of 2026-08-21) |
| Nov. 30, 2010 | ASYS | S | 1,800 | $20.16 | $36,288 | 99,577 Direct | -1.78% | Disposed | -28.2% (price as of 2026-08-21) |
| Nov. 20, 2010 | ASYS | S | 680 | $20.30 | $13,804 | 108,128 Direct | -0.62% | Disposed | -28.7% (price as of 2026-08-21) |
Showing latest 100 of 241 transactions
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 |
|---|---|---|---|---|---|---|---|
| Aug. 23, 2022 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $0.01 par value common stock (50,000) | $5.25 | Nov. 17, 2025 | 50,000 | Disposed |
| Sept. 8, 2021 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (36,667) | $7.98 | Dec. 15, 2021 | 36,667 | Disposed |
| Nov. 17, 2020 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $0.01 par value common stock (15,000) | $5.67 | Nov. 17, 2030 | 15,000 | Acquired |
| March 10, 2020 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $0.01 par value common stock (12,500) | $2.95 | Dec. 11, 2022 | 12,500 | Disposed |
| Nov. 27, 2018 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (25,000) | $5.52 | Nov. 27, 2028 | 25,000 | Acquired |
| Nov. 17, 2015 | ASYS | Amtech Systems, Inc. $.01 par value common stock | Amtech Systems, Inc. $.01 par value common stock (50,000) | $5.25 | Nov. 17, 2025 | 50,000 | Acquired |
| May 26, 2015 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (6,250) | $2.95 | Dec. 11, 2022 | 6,250 | Acquired |
| May 26, 2015 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (10,000) | $6.15 | Nov. 20, 2019 | 10,000 | Acquired |
| May 26, 2015 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (13,750) | $6.90 | Dec. 8, 2016 | 13,750 | Acquired |
| Nov. 19, 2014 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (50,000) | $9.98 | Nov. 19, 2024 | 50,000 | Acquired |
| March 4, 2014 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (24,950) | $2.95 | Dec. 11, 2022 | 24,950 | Disposed |
| Feb. 28, 2014 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (6,300) | $2.95 | Dec. 11, 2022 | 6,300 | Disposed |
| Feb. 21, 2014 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (12,686) | $3.80 | Dec. 9, 2018 | 12,686 | Acquired |
| Feb. 20, 2014 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (24,914) | $3.80 | Dec. 9, 2018 | 24,914 | Acquired |
| Feb. 19, 2014 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (22,400) | $3.80 | Dec. 9, 2018 | 22,400 | Acquired |
| Dec. 12, 2013 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (50,000) | $7.01 | Dec. 12, 2023 | 50,000 | Acquired |
| Dec. 11, 2012 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (50,000) | $2.95 | Dec. 11, 2022 | 50,000 | Acquired |
| Dec. 15, 2011 | ASYS | Stock Options | Common Stock (36,667) | $7.98 | Dec. 15, 2021 | 36,667 | Acquired |
| Nov. 30, 2010 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (9,042) | $6.53 | March 15, 2011 | 9,042 | Acquired |
| Nov. 19, 2010 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (23,958) | $6.53 | March 15, 2011 | 23,958 | Acquired |
| Nov. 17, 2010 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (5,700) | $6.53 | March 15, 2011 | 5,700 | Acquired |
| Nov. 12, 2010 | ASYS | Stock Options | Common Stock (26,667) | $17.12 | Nov. 12, 2020 | 26,667 | Acquired |
| Sept. 9, 2010 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (42,800) | $6.53 | March 15, 2011 | 42,800 | Acquired |
| Sept. 8, 2010 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (24,100) | $6.53 | March 15, 2011 | 24,100 | Acquired |
| Sept. 7, 2010 | ASYS | Amtech Systems, Inc. Employee Stock Option | Amtech Systems, Inc. $.01 par value common stock (29,400) | $6.53 | March 15, 2011 | 29,400 | Acquired |
| Aug. 6, 2010 | ASYS | Stock Option | Common Stock (10,000) | $10.64 | Aug. 6, 2020 | 10,000 | Acquired |
| Nov. 20, 2009 | ASYS | Stock Option | Common Stock (20,000) | $6.15 | Nov. 20, 2019 | 20,000 | Acquired |
| Dec. 9, 2008 | ASYS | Stock Option | Common Stock (60,000) | $3.80 | Dec. 9, 2018 | 60,000 | Acquired |
| Dec. 6, 2007 | ASYS | Stock Option | Common Stock (30,000) | $14.79 | Dec. 6, 2017 | 30,000 | Acquired |
| Nov. 1, 2007 | ASYS | Option to purchase $.01 par value common stock [F1] | Amtech Systems, Inc. $.01 par value common stock (15,000) | $6.53 | March 15, 2011 | 15,000 | Disposed |
| Dec. 8, 2006 | ASYS | Option to purchase $.01 par value common stock | Option to purchase $.01 par value common stock (30,000) | $6.90 | Dec. 8, 2016 | 30,000 | Acquired |
| Feb. 13, 2006 | ASYS | Option to purchase $.01 par value common stock | Option to purchase $.01 par value common stock (41,517) | $1.13 | Feb. 28, 2007 | 41,517 | Disposed |
| Feb. 13, 2006 | ASYS | Option to purchase $.01 par value common stock | Option to purchase $.01 par value common stock (2,500) | $1.50 | Feb. 26, 2009 | 2,500 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).