0
Insider buys, 6 months
0
Congress trades, 6 months
0
Signals, 6 months
Six months
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After each filing
21
Sep 11
Sale
Wang David H
Insider
1 week
−4.8%S&P −0.1%
1 month
−5.4%S&P +2.1%
3 months
Result in33 trading days
6 months
Result in96 trading days
Aug 22
Sale
McKechnie Mark
Insider
1 week
−5.9%S&P +0.5%
1 month
+4.3%S&P +0.8%
3 months
Result in20 trading days
6 months
Result in83 trading days
Aug 21
Sale
Dun Haiping
Insider
1 week
−6.3%S&P +0.5%
1 month
−4.5%S&P +1.3%
3 months
Result in19 trading days
6 months
Result in82 trading days
Jun 6
Sale
Cheav Sotheara
Insider
1 week
+18.2%S&P +2.1%
1 month
+31.6%S&P +1.9%
3 months
−4.5%S&P +3.9%
6 months
Result in30 trading days
Jun 6
Sale
Wang David H
Insider
1 week
+18.2%S&P +2.1%
1 month
+31.6%S&P +1.9%
3 months
−4.5%S&P +3.9%
6 months
Result in30 trading days
Show all 21
May 22
Sale
Dun Haiping
Insider
1 week
+11.9%S&P +1.7%
1 month
+38.5%S&P −1.4%
3 months
+5.4%S&P +2.7%
6 months
Result in20 trading days
Apr 22
Sale
Pappis Charles C
Insider
1 week
−10.8%S&P +0.1%
1 month
+31.3%S&P +4.4%
3 months
+62.1%S&P +4.1%
6 months
+0.3%S&P +9.2%
Mar 14
Sale
McKechnie Mark
Insider
1 week
−4.5%S&P −1.8%
1 month
+6.1%S&P +4.9%
3 months
+102.9%S&P +13.1%
6 months
+36.3%S&P +13.8%
Mar 14
Sale
Wang David H
Insider
1 week
−4.5%S&P −1.8%
1 month
+6.1%S&P +4.9%
3 months
+102.9%S&P +13.1%
6 months
+36.3%S&P +13.8%
Mar 13
Sale
Liu Tracy
Insider
1 week
−6.1%S&P −1.8%
1 month
+9.4%S&P +5.1%
3 months
+102.6%S&P +12.3%
6 months
+44.2%S&P +15.5%
Mar 12
Sale
Dun Haiping
Insider
1 week
+2.9%S&P −0.9%
1 month
+9.6%S&P +3.3%
3 months
+102.6%S&P +11.1%
6 months
+59.0%S&P +15.4%
Mar 10
Sale
Feng Lisa
Insider
1 week
−1.5%S&P −0.9%
1 month
−2.3%S&P +0.7%
3 months
+69.2%S&P +9.1%
6 months
+53.6%S&P +13.2%
Mar 10
Sale
Pappis Charles C
Insider
1 week
−1.5%S&P −0.9%
1 month
−2.3%S&P +0.7%
3 months
+69.2%S&P +9.1%
6 months
+53.6%S&P +13.2%
Dec 9, 2025
Sale
McKechnie Mark
Insider
1 week
+0.3%S&P −0.6%
1 month
+43.7%S&P +1.9%
3 months
+22.2%S&P −2.2%
6 months
+147.6%S&P +8.6%
Dec 6, 2025
Sale
Wang David H
Insider
1 week
+3.3%S&P −0.4%
1 month
+34.6%S&P +1.2%
3 months
+31.0%S&P −0.8%
6 months
+118.8%S&P +6.7%
Dec 5, 2025
Sale
Chen Fuping
Insider
1 week
+10.6%S&P −0.6%
1 month
+35.6%S&P +0.9%
3 months
+36.9%S&P −1.0%
6 months
+131.7%S&P +8.1%
Nov 15, 2025
Sale
Feng Lisa
Insider
1 week
+1.7%S&P +0.5%
1 month
+18.7%S&P +0.9%
3 months
+107.7%S&P +3.1%
6 months
+127.5%S&P +12.0%
Sep 20, 2025
Sale
Liu Tracy
Insider
1 week
+5.3%S&P −0.5%
1 month
+6.1%S&P +0.7%
3 months
+8.4%S&P +2.4%
6 months
+25.2%S&P −1.5%
Sep 20, 2025
Sale
Wang Jian
Insider
1 week
+5.3%S&P −0.5%
1 month
+6.1%S&P +0.7%
3 months
+8.4%S&P +2.4%
6 months
+25.2%S&P −1.5%
Sep 20, 2025
Sale
Cheav Sotheara
Insider
1 week
+5.3%S&P −0.5%
1 month
+6.1%S&P +0.7%
3 months
+8.4%S&P +2.4%
6 months
+25.2%S&P −1.5%
Sep 6, 2025
Sale
Wang David H
Insider
1 week
+10.6%S&P +1.9%
1 month
+50.0%S&P +3.4%
3 months
+30.1%S&P +6.0%
6 months
+78.2%S&P +5.0%
Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.
Filings for ACMR
63 held · newest 563 held · newest 2Loading the filings.
Aeon news and offers by email
New sources, new features and offers like our founding price. A few times a month at most. Stop any time.
Government contracts, last 12 months
Awards of $10M and up, from USAspending · context, not a signalNo contracts of $10M or more in the last 12 months.
Lobbying
Last four quartersDown 30 percent from Q2 2026. Reported to the Senate each quarter by the firms it hires.Original report ↗
Read from LDA.gov between Sep 23, 2026 and Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.