ACMR

ACM Research, Inc.

Insider trading activity for ACM Research, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$15.3M

net selling

Bought(0 · 0 insiders): $0
Sold(15 · 3 insiders): $15.3M

Past 6 months

-$26.3M

net selling

Bought(0 · 0 insiders): $0
Sold(38 · 5 insiders): $26.3M

Past 12 months

-$51.2M

net selling

Bought(0 · 0 insiders): $0
Sold(72 · 8 insiders): $51.2M

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 9	Wang David H	See Remarks	MEXER◷◆	70,000	—	—	—	Open the original filing on SEC.gov
Sep 9	Wang David H	See Remarks	SSELL◷	1,100	$77.59	$85.3K	-0.1%	Open the original filing on SEC.gov
Sep 9	Wang David H	See Remarks	SSELL◷	4,807	$76.73	$368.8K	-0.6%	Open the original filing on SEC.gov
Sep 9	Wang David H	See Remarks	SSELL◷	11,666	$75.58	$881.7K	-1.4%	Open the original filing on SEC.gov
Sep 9	Wang David H	See Remarks	SSELL◷	18,934	$74.67	$1.4M	-2.3%	Open the original filing on SEC.gov
Sep 9	Wang David H	See Remarks	SSELL◷	33,493	$73.80	$2.5M	-3.8%	Open the original filing on SEC.gov
Sep 9	Wang David H	See Remarks	MEXER◷	70,000	$1.00	$70K	+8.7%	Open the original filing on SEC.gov
Sep 8	Wang David H	See Remarks	MEXER◷◆	70,000	—	—	—	Open the original filing on SEC.gov
Sep 8	Wang David H	See Remarks	SSELL◷	1,500	$78.57	$117.9K	-0.2%	Open the original filing on SEC.gov
Sep 8	Wang David H	See Remarks	SSELL◷	12,323	$78.08	$962.2K	-1.5%	Open the original filing on SEC.gov
Sep 8	Wang David H	See Remarks	SSELL◷	51,374	$77.15	$4M	-5.9%	Open the original filing on SEC.gov
Sep 8	Wang David H	See Remarks	SSELL◷	4,803	$75.99	$365K	-0.5%	Open the original filing on SEC.gov
Sep 8	Wang David H	See Remarks	MEXER◷	70,000	$1.00	$70K	+8.7%	Open the original filing on SEC.gov
Aug 20	McKechnie Mark	See Remarks	MEXER◷◆	25,000	—	—	—	Open the original filing on SEC.gov
Aug 20	McKechnie Mark	See Remarks	MEXER◷◆	30,199	—	—	—	Open the original filing on SEC.gov
Aug 20	McKechnie Mark	See Remarks	SSELL◷	11,209	$77.89	$873.1K	-92.6%	Open the original filing on SEC.gov
Aug 20	McKechnie Mark	See Remarks	SSELL◷	30,365	$77.45	$2.4M	-71.5%	Open the original filing on SEC.gov
Aug 20	McKechnie Mark	See Remarks	SSELL◷	13,625	$76.34	$1M	-24.3%	Open the original filing on SEC.gov
Aug 20	McKechnie Mark	See Remarks	MEXER◷	25,000	$13.89	$347.3K	+80.4%	Open the original filing on SEC.gov
Aug 20	McKechnie Mark	See Remarks	MEXER◷	30,199	$19.49	$588.6K	+3,355%	Open the original filing on SEC.gov
Aug 18	Dun Haiping	Director	MEXER◷◆	5,000	—	—	—	Open the original filing on SEC.gov
Aug 18	Dun Haiping	Director	SSELL◷	400	$82.17	$32.9K	-100.0%	Open the original filing on SEC.gov
Aug 18	Dun Haiping	Director	SSELL◷	3,400	$81.31	$276.5K	-89.5%	Open the original filing on SEC.gov
Aug 18	Dun Haiping	Director	SSELL◷	1,200	$80.29	$96.3K	-24.0%	Open the original filing on SEC.gov
Aug 18	Dun Haiping	Director	MEXER◷	5,000	$5.60	$28K	—	Open the original filing on SEC.gov
Aug 12	Dun Haiping	Director	AGRANT◆	728	—	—	—	Open the original filing on SEC.gov
Aug 12	Dun Haiping	Director	AGRANT◆	6,400	—	—	—	Open the original filing on SEC.gov
Aug 12	Liu Tracy	Director	AGRANT◆	728	—	—	—	Open the original filing on SEC.gov
Aug 12	Liu Tracy	Director	AGRANT◆	6,400	—	—	—	Open the original filing on SEC.gov
Aug 12	Pappis Charles C	Director	AGRANT◆	728	—	—	—	Open the original filing on SEC.gov
Aug 12	Pappis Charles C	Director	AGRANT◆	6,400	—	—	—	Open the original filing on SEC.gov
Jun 5	Cheav Sotheara	See remarks	MEXER◷◆	5,399	—	—	—	Open the original filing on SEC.gov
Jun 5	Cheav Sotheara	See remarks	SSELL◷	1,647	$85.41	$140.7K	-1.6%	Open the original filing on SEC.gov
Jun 5	Cheav Sotheara	See remarks	SSELL◷	400	$84.01	$33.6K	-0.4%	Open the original filing on SEC.gov
Jun 5	Cheav Sotheara	See remarks	SSELL◷	968	$82.61	$80K	-0.9%	Open the original filing on SEC.gov
Jun 5	Cheav Sotheara	See remarks	SSELL◷	2,384	$81.73	$194.8K	-2.3%	Open the original filing on SEC.gov
Jun 5	Cheav Sotheara	See remarks	MEXER◷	5,399	$13.89	$75K	+5.4%	Open the original filing on SEC.gov
Jun 4	Cheav Sotheara	See remarks	MEXER◷◆	13,351	—	—	—	Open the original filing on SEC.gov
Jun 4	Cheav Sotheara	See remarks	SSELL◷	2,839	$85.77	$243.5K	-2.8%	Open the original filing on SEC.gov
Jun 4	Cheav Sotheara	See remarks	SSELL◷	9,212	$85.11	$784K	-8.2%	Open the original filing on SEC.gov
Jun 4	Cheav Sotheara	See remarks	SSELL◷	1,300	$84.08	$109.3K	-1.1%	Open the original filing on SEC.gov
Jun 4	Cheav Sotheara	See remarks	MEXER◷	13,351	$13.89	$185.4K	+13.4%	Open the original filing on SEC.gov
Jun 4	Wang David H	See Remarks	MEXER◷◆	40,002	—	—	—	Open the original filing on SEC.gov
Jun 4	Wang David H	See Remarks	SSELL◷	826	$87.91	$72.6K	-0.1%	Open the original filing on SEC.gov
Jun 4	Wang David H	See Remarks	SSELL◷	8,581	$87.13	$747.7K	-1.1%	Open the original filing on SEC.gov
Jun 4	Wang David H	See Remarks	SSELL◷	10,992	$86.07	$946.1K	-1.3%	Open the original filing on SEC.gov
Jun 4	Wang David H	See Remarks	SSELL◷	17,543	$85.11	$1.5M	-2.1%	Open the original filing on SEC.gov
Jun 4	Wang David H	See Remarks	SSELL◷	2,060	$83.86	$172.8K	-0.2%	Open the original filing on SEC.gov
Jun 4	Wang David H	See Remarks	MEXER◷	40,002	$1.00	$40K	+5.0%	Open the original filing on SEC.gov
Jun 3	Wang David H	See Remarks	MEXER◷◆	60,000	—	—	—	Open the original filing on SEC.gov
Jun 3	Wang David H	See Remarks	SSELL◷	1,187	$93.04	$110.4K	-0.1%	Open the original filing on SEC.gov
Jun 3	Wang David H	See Remarks	SSELL◷	5,843	$92.38	$539.8K	-0.7%	Open the original filing on SEC.gov
Jun 3	Wang David H	See Remarks	SSELL◷	9,925	$90.78	$901K	-1.2%	Open the original filing on SEC.gov
Jun 3	Wang David H	See Remarks	SSELL◷	32,450	$89.84	$2.9M	-3.8%	Open the original filing on SEC.gov
Jun 3	Wang David H	See Remarks	SSELL◷	6,295	$88.98	$560.1K	-0.7%	Open the original filing on SEC.gov
Jun 3	Wang David H	See Remarks	SSELL◷	4,300	$87.57	$376.6K	-0.5%	Open the original filing on SEC.gov
Jun 3	Wang David H	See Remarks	MEXER◷	60,000	$1.00	$60K	+7.5%	Open the original filing on SEC.gov
May 19	Dun Haiping	Director	MEXER◷◆	5,000	—	—	—	Open the original filing on SEC.gov
May 19	Dun Haiping	Director	SSELL◷	1,858	$67.54	$125.5K	-100.0%	Open the original filing on SEC.gov
May 19	Dun Haiping	Director	SSELL◷	1,309	$67.21	$88K	-41.3%	Open the original filing on SEC.gov
May 19	Dun Haiping	Director	SSELL◷	500	$65.09	$32.5K	-13.6%	Open the original filing on SEC.gov
May 19	Dun Haiping	Director	SSELL◷	1,333	$63.84	$85.1K	-26.7%	Open the original filing on SEC.gov
May 19	Dun Haiping	Director	MEXER◷	5,000	$5.60	$28K	—	Open the original filing on SEC.gov
May 13	Wang David H	See Remarks	AGRANT◆	6,208	—	—	—	Open the original filing on SEC.gov
Apr 17	Pappis Charles C	Director	MEXER◷◆	5,000	—	—	—	Open the original filing on SEC.gov
Apr 17	Pappis Charles C	Director	SSELL◷	5,000	$52.00	$260K	-100.0%	Open the original filing on SEC.gov
Apr 17	Pappis Charles C	Director	MEXER◷	5,000	$29.18	$145.9K	—	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	MEXER◷◆	38,551	—	—	—	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	MEXER◷◆	60,000	—	—	—	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	SSELL◷	564	$46.57	$26.3K	-38.5%	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	SSELL◷	29,348	$45.74	$1.3M	-95.3%	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	SSELL◷	8,639	$44.94	$388.2K	-21.9%	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	MEXER◷	38,551	$19.49	$751.4K	+4,283%	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	SSELL◷	982	$46.55	$45.7K	-52.2%	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	SSELL◷	47,108	$45.74	$2.2M	-96.2%	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	SSELL◷	11,910	$44.89	$534.6K	-19.6%	Open the original filing on SEC.gov
Mar 12	McKechnie Mark	See Remarks	MEXER◷	60,000	$13.89	$833.4K	+6,667%	Open the original filing on SEC.gov
Mar 12	Wang David H	See Remarks	MEXER◷◆	50,000	—	—	—	Open the original filing on SEC.gov
Mar 12	Wang David H	See Remarks	SSELL◷	702	$46.57	$32.7K	<0.1%	Open the original filing on SEC.gov
Mar 12	Wang David H	See Remarks	SSELL◷	38,737	$45.74	$1.8M	-4.6%	Open the original filing on SEC.gov
Mar 12	Wang David H	See Remarks	SSELL◷	10,561	$44.92	$474.4K	-1.2%	Open the original filing on SEC.gov
Mar 12	Wang David H	See Remarks	MEXER◷	50,000	$1.00	$50K	+6.2%	Open the original filing on SEC.gov
Mar 11	Liu Tracy	Director	MEXER◷◆	15,000	—	—	—	Open the original filing on SEC.gov
Mar 11	Liu Tracy	Director	SSELL◷	3,377	$48.25	$162.9K	-3.0%	Open the original filing on SEC.gov
Mar 11	Liu Tracy	Director	SSELL◷	11,623	$47.81	$555.7K	-9.2%	Open the original filing on SEC.gov
Mar 11	Liu Tracy	Director	MEXER◷	15,000	$1.00	$15K	+13.5%	Open the original filing on SEC.gov
Mar 11	Wang David H	See Remarks	MEXER◷◆	60,000	—	—	—	Open the original filing on SEC.gov
Mar 11	Wang David H	See Remarks	SSELL◷	4,627	$48.34	$223.7K	-0.6%	Open the original filing on SEC.gov
Mar 11	Wang David H	See Remarks	SSELL◷	55,373	$47.89	$2.7M	-6.4%	Open the original filing on SEC.gov
Mar 11	Wang David H	See Remarks	MEXER◷	60,000	$1.00	$60K	+7.5%	Open the original filing on SEC.gov
Mar 10	Liu Tracy	Director	MEXER◷◆	45,000	—	—	—	Open the original filing on SEC.gov
Mar 10	Liu Tracy	Director	SSELL◷	12,784	$48.19	$616.1K	-10.3%	Open the original filing on SEC.gov
Mar 10	Liu Tracy	Director	SSELL◷	32,216	$47.06	$1.5M	-20.7%	Open the original filing on SEC.gov
Mar 10	Liu Tracy	Director	MEXER◷	45,000	$1.00	$45K	+40.6%	Open the original filing on SEC.gov
Mar 9	Dun Haiping	Director	MEXER◷◆	5,000	—	—	—	Open the original filing on SEC.gov
Mar 9	Dun Haiping	Director	SSELL◷	900	$43.94	$39.5K	-100.0%	Open the original filing on SEC.gov
Mar 9	Dun Haiping	Director	SSELL◷	4,100	$43.37	$177.8K	-82.0%	Open the original filing on SEC.gov
Mar 9	Dun Haiping	Director	MEXER◷	5,000	$5.60	$28K	—	Open the original filing on SEC.gov
Mar 6	Feng Lisa	See remarks	MEXER◷◆	15,000	—	—	—	Open the original filing on SEC.gov
Mar 6	Feng Lisa	See remarks	SSELL◷	200	$46.58	$9.3K	-0.4%	Open the original filing on SEC.gov

MEXER◷◆—

Wang David H · See RemarksSep 9

70,000 sh

SSELL◷$85.3K

Wang David H · See RemarksSep 9

1,100 sh @ $77.59 · -0.1% own

SSELL◷$368.8K

Wang David H · See RemarksSep 9

4,807 sh @ $76.73 · -0.6% own

SSELL◷$881.7K

Wang David H · See RemarksSep 9

11,666 sh @ $75.58 · -1.4% own

SSELL◷$1.4M

Wang David H · See RemarksSep 9

18,934 sh @ $74.67 · -2.3% own

SSELL◷$2.5M

Wang David H · See RemarksSep 9

33,493 sh @ $73.80 · -3.8% own

MEXER◷$70K

Wang David H · See RemarksSep 9

70,000 sh @ $1.00 · +8.7% own

MEXER◷◆—

Wang David H · See RemarksSep 8

70,000 sh

SSELL◷$117.9K

Wang David H · See RemarksSep 8

1,500 sh @ $78.57 · -0.2% own

SSELL◷$962.2K

Wang David H · See RemarksSep 8

12,323 sh @ $78.08 · -1.5% own

SSELL◷$4M

Wang David H · See RemarksSep 8

51,374 sh @ $77.15 · -5.9% own

SSELL◷$365K

Wang David H · See RemarksSep 8

4,803 sh @ $75.99 · -0.5% own

MEXER◷$70K

Wang David H · See RemarksSep 8

70,000 sh @ $1.00 · +8.7% own

MEXER◷◆—

McKechnie Mark · See RemarksAug 20

25,000 sh

MEXER◷◆—

McKechnie Mark · See RemarksAug 20

30,199 sh

SSELL◷$873.1K

McKechnie Mark · See RemarksAug 20

11,209 sh @ $77.89 · -92.6% own

SSELL◷$2.4M

McKechnie Mark · See RemarksAug 20

30,365 sh @ $77.45 · -71.5% own

SSELL◷$1M

McKechnie Mark · See RemarksAug 20

13,625 sh @ $76.34 · -24.3% own

MEXER◷$347.3K

McKechnie Mark · See RemarksAug 20

25,000 sh @ $13.89 · +80.4% own

MEXER◷$588.6K

McKechnie Mark · See RemarksAug 20

30,199 sh @ $19.49 · +3,355% own

MEXER◷◆—

Dun Haiping · DirectorAug 18

5,000 sh

SSELL◷$32.9K

Dun Haiping · DirectorAug 18

400 sh @ $82.17 · -100.0% own

SSELL◷$276.5K

Dun Haiping · DirectorAug 18

3,400 sh @ $81.31 · -89.5% own

SSELL◷$96.3K

Dun Haiping · DirectorAug 18

1,200 sh @ $80.29 · -24.0% own

MEXER◷$28K

Dun Haiping · DirectorAug 18

5,000 sh @ $5.60

AGRANT◆—

Dun Haiping · DirectorAug 12

728 sh

AGRANT◆—

Dun Haiping · DirectorAug 12

6,400 sh

AGRANT◆—

Liu Tracy · DirectorAug 12

728 sh

AGRANT◆—

Liu Tracy · DirectorAug 12

6,400 sh

AGRANT◆—

Pappis Charles C · DirectorAug 12

728 sh

AGRANT◆—

Pappis Charles C · DirectorAug 12

6,400 sh

MEXER◷◆—

Cheav Sotheara · See remarksJun 5

5,399 sh

SSELL◷$140.7K

Cheav Sotheara · See remarksJun 5

1,647 sh @ $85.41 · -1.6% own

SSELL◷$33.6K

Cheav Sotheara · See remarksJun 5

400 sh @ $84.01 · -0.4% own

SSELL◷$80K

Cheav Sotheara · See remarksJun 5

968 sh @ $82.61 · -0.9% own

SSELL◷$194.8K

Cheav Sotheara · See remarksJun 5

2,384 sh @ $81.73 · -2.3% own

MEXER◷$75K

Cheav Sotheara · See remarksJun 5

5,399 sh @ $13.89 · +5.4% own

MEXER◷◆—

Cheav Sotheara · See remarksJun 4

13,351 sh

SSELL◷$243.5K

Cheav Sotheara · See remarksJun 4

2,839 sh @ $85.77 · -2.8% own

SSELL◷$784K

Cheav Sotheara · See remarksJun 4

9,212 sh @ $85.11 · -8.2% own

SSELL◷$109.3K

Cheav Sotheara · See remarksJun 4

1,300 sh @ $84.08 · -1.1% own

MEXER◷$185.4K

Cheav Sotheara · See remarksJun 4

13,351 sh @ $13.89 · +13.4% own

MEXER◷◆—

Wang David H · See RemarksJun 4

40,002 sh

SSELL◷$72.6K

Wang David H · See RemarksJun 4

826 sh @ $87.91 · -0.1% own

SSELL◷$747.7K

Wang David H · See RemarksJun 4

8,581 sh @ $87.13 · -1.1% own

SSELL◷$946.1K

Wang David H · See RemarksJun 4

10,992 sh @ $86.07 · -1.3% own

SSELL◷$1.5M

Wang David H · See RemarksJun 4

17,543 sh @ $85.11 · -2.1% own

SSELL◷$172.8K

Wang David H · See RemarksJun 4

2,060 sh @ $83.86 · -0.2% own

MEXER◷$40K

Wang David H · See RemarksJun 4

40,002 sh @ $1.00 · +5.0% own

MEXER◷◆—

Wang David H · See RemarksJun 3

60,000 sh

SSELL◷$110.4K

Wang David H · See RemarksJun 3

1,187 sh @ $93.04 · -0.1% own

SSELL◷$539.8K

Wang David H · See RemarksJun 3

5,843 sh @ $92.38 · -0.7% own

SSELL◷$901K

Wang David H · See RemarksJun 3

9,925 sh @ $90.78 · -1.2% own

SSELL◷$2.9M

Wang David H · See RemarksJun 3

32,450 sh @ $89.84 · -3.8% own

SSELL◷$560.1K

Wang David H · See RemarksJun 3

6,295 sh @ $88.98 · -0.7% own

SSELL◷$376.6K

Wang David H · See RemarksJun 3

4,300 sh @ $87.57 · -0.5% own

MEXER◷$60K

Wang David H · See RemarksJun 3

60,000 sh @ $1.00 · +7.5% own

MEXER◷◆—

Dun Haiping · DirectorMay 19

5,000 sh

SSELL◷$125.5K

Dun Haiping · DirectorMay 19

1,858 sh @ $67.54 · -100.0% own

SSELL◷$88K

Dun Haiping · DirectorMay 19

1,309 sh @ $67.21 · -41.3% own

SSELL◷$32.5K

Dun Haiping · DirectorMay 19

500 sh @ $65.09 · -13.6% own

SSELL◷$85.1K

Dun Haiping · DirectorMay 19

1,333 sh @ $63.84 · -26.7% own

MEXER◷$28K

Dun Haiping · DirectorMay 19

5,000 sh @ $5.60

AGRANT◆—

Wang David H · See RemarksMay 13

6,208 sh

MEXER◷◆—

Pappis Charles C · DirectorApr 17

5,000 sh

SSELL◷$260K

Pappis Charles C · DirectorApr 17

5,000 sh @ $52.00 · -100.0% own

MEXER◷$145.9K

Pappis Charles C · DirectorApr 17

5,000 sh @ $29.18

MEXER◷◆—

McKechnie Mark · See RemarksMar 12

38,551 sh

MEXER◷◆—

McKechnie Mark · See RemarksMar 12

60,000 sh

SSELL◷$26.3K

McKechnie Mark · See RemarksMar 12

564 sh @ $46.57 · -38.5% own

SSELL◷$1.3M

McKechnie Mark · See RemarksMar 12

29,348 sh @ $45.74 · -95.3% own

SSELL◷$388.2K

McKechnie Mark · See RemarksMar 12

8,639 sh @ $44.94 · -21.9% own

MEXER◷$751.4K

McKechnie Mark · See RemarksMar 12

38,551 sh @ $19.49 · +4,283% own

SSELL◷$45.7K

McKechnie Mark · See RemarksMar 12

982 sh @ $46.55 · -52.2% own

SSELL◷$2.2M

McKechnie Mark · See RemarksMar 12

47,108 sh @ $45.74 · -96.2% own

SSELL◷$534.6K

McKechnie Mark · See RemarksMar 12

11,910 sh @ $44.89 · -19.6% own

MEXER◷$833.4K

McKechnie Mark · See RemarksMar 12

60,000 sh @ $13.89 · +6,667% own

MEXER◷◆—

Wang David H · See RemarksMar 12

50,000 sh

SSELL◷$32.7K

Wang David H · See RemarksMar 12

702 sh @ $46.57 · <0.1% own

SSELL◷$1.8M

Wang David H · See RemarksMar 12

38,737 sh @ $45.74 · -4.6% own

SSELL◷$474.4K

Wang David H · See RemarksMar 12

10,561 sh @ $44.92 · -1.2% own

MEXER◷$50K

Wang David H · See RemarksMar 12

50,000 sh @ $1.00 · +6.2% own

MEXER◷◆—

Liu Tracy · DirectorMar 11

15,000 sh

SSELL◷$162.9K

Liu Tracy · DirectorMar 11

3,377 sh @ $48.25 · -3.0% own

SSELL◷$555.7K

Liu Tracy · DirectorMar 11

11,623 sh @ $47.81 · -9.2% own

MEXER◷$15K

Liu Tracy · DirectorMar 11

15,000 sh @ $1.00 · +13.5% own

MEXER◷◆—

Wang David H · See RemarksMar 11

60,000 sh

SSELL◷$223.7K

Wang David H · See RemarksMar 11

4,627 sh @ $48.34 · -0.6% own

SSELL◷$2.7M

Wang David H · See RemarksMar 11

55,373 sh @ $47.89 · -6.4% own

MEXER◷$60K

Wang David H · See RemarksMar 11

60,000 sh @ $1.00 · +7.5% own

MEXER◷◆—

Liu Tracy · DirectorMar 10

45,000 sh

SSELL◷$616.1K

Liu Tracy · DirectorMar 10

12,784 sh @ $48.19 · -10.3% own

SSELL◷$1.5M

Liu Tracy · DirectorMar 10

32,216 sh @ $47.06 · -20.7% own

MEXER◷$45K

Liu Tracy · DirectorMar 10

45,000 sh @ $1.00 · +40.6% own

MEXER◷◆—

Dun Haiping · DirectorMar 9

5,000 sh

SSELL◷$39.5K

Dun Haiping · DirectorMar 9

900 sh @ $43.94 · -100.0% own

SSELL◷$177.8K

Dun Haiping · DirectorMar 9

4,100 sh @ $43.37 · -82.0% own

MEXER◷$28K

Dun Haiping · DirectorMar 9

5,000 sh @ $5.60

MEXER◷◆—

Feng Lisa · See remarksMar 6

15,000 sh

SSELL◷$9.3K

Feng Lisa · See remarksMar 6

200 sh @ $46.58 · -0.4% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

6 of 40 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 45 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Mar 15, 2025	May 20, 2025	Pappis Charles CDirector	45days · about 2 months	—	Filing ↗
May 13	Jul 5	Wang David HSee Remarks	32days · about 2 months	—	Filing ↗
Sep 8, 2025	Sep 29, 2025	Wang David HSee Remarks	13days	$130K	Filing ↗
Aug 12	Aug 26	Liu TracyDirector	8days	—	Filing ↗
Aug 12	Aug 26	Dun HaipingDirector	8days	—	Filing ↗

Pappis Charles CDirector

45days · about 2 months

Traded Mar 15, 2025 · filed May 20, 2025Filing ↗

Wang David HSee Remarks

32days · about 2 months

Traded May 13 · filed Jul 5Filing ↗

Wang David HSee Remarks

13days

Traded Sep 8, 2025 · filed Sep 29, 2025Filing ↗

Liu TracyDirector

8days

Traded Aug 12 · filed Aug 26Filing ↗

Dun HaipingDirector

8days

Traded Aug 12 · filed Aug 26Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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