Huang Jack Jiajia

Director · Officer · Ten-percent owner · COE

As of 2026-09-16, Huang Jack Jiajia has 131 Form 4 transactions on record across 1 company — 131 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct $0
Indirect $8.4M

COE

indirect

825,000 sh

$8.4M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

COE · 131 trades

Filing ledger

Date	Company	Action	Shares @ price	Value	Ownership Δ	Owned after	Filing
2026-08-13	COE	Purchase	35,400 @ $20.83	$737K	+0.1% of holding	35,615,160	Form 4
2026-08-12	COE	Purchase	337,500 @ $20.17	$6.8M	+1.0% of holding	35,428,140	Form 4
2026-08-11	COE	Purchase	254,820 @ $19.61	$5.0M	+0.7% of holding	35,090,640	Form 4
2026-08-10	COE	Purchase	199,980 @ $19.72	$3.9M	+0.6% of holding	34,835,820	Form 4
2026-08-07	COE	Purchase	90,480 @ $19.39	$1.8M	+0.3% of holding	34,635,840	Form 4
2026-08-06	COE	Purchase	105,120 @ $19.29	$2.0M	+0.3% of holding	34,545,360	Form 4
2026-08-05	COE	Purchase	158,460 @ $19.20	$3.0M	+0.5% of holding	34,440,240	Form 4
2026-08-04	COE	Purchase	125,880 @ $19.06	$2.4M	+0.4% of holding	34,281,780	Form 4
2026-08-03	COE	Purchase	333,840 @ $18.48	$6.2M	+1.0% of holding	34,155,900	Form 4
2026-07-31	COE	Purchase	122,580 @ $17.54	$2.2M	+0.4% of holding	33,822,060	Form 4
2026-07-30	COE	Purchase	194,460 @ $17.21	$3.3M	+0.6% of holding	33,699,480	Form 4
2026-07-29	COE	Purchase	109,080 @ $16.91	$1.8M	+0.3% of holding	33,505,020	Form 4
2026-07-28	COE	Purchase	169,980 @ $16.88	$2.9M	+0.5% of holding	33,395,940	Form 4
2026-07-27	COE	Purchase	451,320 @ $16.97	$7.7M	+1.4% of holding	33,225,960	Form 4
2026-07-24	COE	Purchase	185,880 @ $16.26	$3.0M	+0.6% of holding	32,774,640	Form 4
2026-07-23	COE	Purchase	301,440 @ $15.84	$4.8M	+0.9% of holding	32,588,760	Form 4
2026-07-23	COE	Purchase	60,000 @ $15.60	$936K	+0.2% of holding	32,287,320	Form 4
2026-07-23	COE	Purchase	60,000 @ $15.54	$932K	+0.2% of holding	32,227,320	Form 4
2026-07-22	COE	Purchase	123,780 @ $15.98	$2.0M	+0.4% of holding	32,167,320	Form 4
2026-07-22	COE	Purchase	59,940 @ $15.95	$956K	+0.2% of holding	32,043,540	Form 4
2026-07-21	COE	Purchase	498,660 @ $16.62	$8.3M	+1.6% of holding	31,983,600	Form 4
2026-07-20	COE	Purchase	112,500 @ $16.68	$1.9M	+0.4% of holding	31,484,940	Form 4
2026-07-17	COE	Purchase	83,460 @ $16.56	$1.4M	+0.3% of holding	31,372,440	Form 4
2026-07-16	COE	Purchase	111,840 @ $16.60	$1.9M	+0.4% of holding	31,288,980	Form 4
2026-07-15	COE	Purchase	135,540 @ $16.93	$2.3M	+0.4% of holding	31,177,140	Form 4
2026-07-14	COE	Purchase	178,800 @ $17.23	$3.1M	+0.6% of holding	31,041,600	Form 4
2026-07-13	COE	Purchase	213,480 @ $17.24	$3.7M	+0.7% of holding	30,862,800	Form 4
2026-07-10	COE	Purchase	95,040 @ $16.71	$1.6M	+0.3% of holding	30,649,320	Form 4
2026-07-09	COE	Purchase	186,840 @ $17.19	$3.2M	+0.6% of holding	30,554,280	Form 4
2026-07-08	COE	Purchase	185,880 @ $16.45	$3.1M	+0.6% of holding	30,367,440	Form 4
2026-07-07	COE	Purchase	211,260 @ $16.72	$3.5M	+0.7% of holding	30,181,560	Form 4
2026-07-06	COE	Purchase	165,420 @ $16.46	$2.7M	+0.6% of holding	29,970,300	Form 4
2026-07-02	COE	Purchase	556,020 @ $16.78	$9.3M	+1.9% of holding	29,804,880	Form 4
2026-07-01	COE	Purchase	286,800 @ $16.57	$4.8M	+1.0% of holding	29,248,860	Form 4
2026-06-30	COE	Purchase	293,520 @ $15.98	$4.7M	+1.0% of holding	28,902,000	Form 4
2026-06-30	COE	Purchase	60,000 @ $15.52	$931K	+0.2% of holding	28,962,000	Form 4
2026-06-30	COE	Purchase	60 @ $15.95	$957	+0.0% of holding	28,962,060	Form 4
2026-06-29	COE	Purchase	152,820 @ $15.23	$2.3M	+0.5% of holding	28,512,780	Form 4
2026-06-29	COE	Purchase	60,000 @ $15.20	$912K	+0.2% of holding	28,572,780	Form 4
2026-06-29	COE	Purchase	35,700 @ $15.21	$543K	+0.1% of holding	28,608,480	Form 4
2026-06-26	COE	Purchase	151,800 @ $15.61	$2.4M	+0.5% of holding	28,359,960	Form 4
2026-06-26	COE	Purchase	60 @ $14.85	$891	+0.0% of holding	28,208,160	Form 4
2026-06-25	COE	Purchase	150,600 @ $15.76	$2.4M	+0.5% of holding	28,208,100	Form 4
2026-06-24	COE	Purchase	210,000 @ $15.46	$3.2M	+0.8% of holding	27,759,000	Form 4
2026-06-24	COE	Purchase	60,000 @ $15.40	$924K	+0.2% of holding	27,997,500	Form 4
2026-06-24	COE	Purchase	60,000 @ $15.36	$922K	+0.2% of holding	28,057,500	Form 4
2026-06-24	COE	Purchase	60,000 @ $15.19	$911K	+0.2% of holding	27,937,500	Form 4
2026-06-24	COE	Purchase	60,000 @ $14.85	$891K	+0.2% of holding	27,819,000	Form 4
2026-06-24	COE	Purchase	58,500 @ $14.81	$866K	+0.2% of holding	27,877,500	Form 4
2026-06-24	COE	Purchase	3,720 @ $15.04	$56K	+0.0% of holding	27,549,000	Form 4
2026-06-23	COE	Purchase	72,780 @ $16.01	$1.2M	+0.3% of holding	27,395,280	Form 4
2026-06-23	COE	Purchase	60,000 @ $16.00	$960K	+0.2% of holding	27,515,280	Form 4
2026-06-23	COE	Purchase	60,000 @ $16.00	$960K	+0.2% of holding	27,455,280	Form 4
2026-06-23	COE	Purchase	30,000 @ $16.00	$480K	+0.1% of holding	27,545,280	Form 4
2026-06-23	COE	Purchase	13,620 @ $15.50	$211K	+0.0% of holding	27,322,500	Form 4
2026-06-23	COE	Purchase	12,000 @ $15.63	$188K	+0.0% of holding	27,308,880	Form 4
2026-06-22	COE	Purchase	58,140 @ $16.02	$931K	+0.2% of holding	27,280,500	Form 4
2026-06-22	COE	Purchase	12,000 @ $15.86	$190K	+0.0% of holding	27,292,500	Form 4
2026-06-22	COE	Purchase	4,380 @ $15.50	$68K	+0.0% of holding	27,296,880	Form 4
2026-06-18	COE	Purchase	85,860 @ $17.50	$1.5M	+0.3% of holding	27,210,360	Form 4
2026-06-18	COE	Purchase	6,000 @ $16.50	$99K	+0.0% of holding	27,222,360	Form 4
2026-06-18	COE	Purchase	6,000 @ $16.50	$99K	+0.0% of holding	27,216,360	Form 4
2026-06-17	COE	Purchase	39,960 @ $17.20	$687K	+0.1% of holding	27,124,500	Form 4
2026-06-16	COE	Purchase	51,600 @ $18.89	$975K	+0.2% of holding	27,084,540	Form 4
2026-06-15	COE	Purchase	20,640 @ $19.63	$405K	+0.1% of holding	27,032,940	Form 4
2026-06-12	COE	Purchase	89,160 @ $20.20	$1.8M	+0.3% of holding	27,012,300	Form 4
2026-06-11	COE	Purchase	29,700 @ $22.10	$656K	+0.1% of holding	26,923,140	Form 4
2026-06-10	COE	Purchase	17,580 @ $22.82	$401K	+0.1% of holding	26,893,440	Form 4
2026-06-09	COE	Purchase	35,880 @ $21.89	$785K	+0.1% of holding	26,875,860	Form 4
2026-06-08	COE	Purchase	23,340 @ $22.34	$521K	+0.1% of holding	26,839,980	Form 4
2026-06-05	COE	Purchase	14,700 @ $22.74	$334K	+0.1% of holding	26,816,640	Form 4
2026-06-04	COE	Purchase	15,420 @ $23.59	$364K	+0.1% of holding	26,801,940	Form 4
2026-06-03	COE	Purchase	8,880 @ $24.61	$219K	+0.0% of holding	26,786,520	Form 4
2026-06-02	COE	Purchase	56,700 @ $25.23	$1.4M	+0.2% of holding	26,777,640	Form 4
2026-06-01	COE	Purchase	48,300 @ $25.57	$1.2M	+0.2% of holding	26,720,940	Form 4
2026-05-29	COE	Purchase	21,240 @ $25.74	$547K	+0.1% of holding	26,672,640	Form 4
2026-05-28	COE	Purchase	25,380 @ $26.19	$665K	+0.1% of holding	26,651,400	Form 4
2026-05-27	COE	Purchase	45,840 @ $26.39	$1.2M	+0.2% of holding	26,626,020	Form 4
2026-05-26	COE	Purchase	37,500 @ $26.28	$986K	+0.1% of holding	26,580,180	Form 4
2026-05-22	COE	Purchase	74,280 @ $26.76	$2.0M	+0.3% of holding	26,542,680	Form 4

11 award / exercise / gift records — not counted as purchases

Date	Company	Action	Shares	Owned after	Filing
2026-08-18	COE	Option exercise	137,500	42,388,800	Form 4
2026-08-18	COE	Option exercise	137,500	825,000	Form 4
2026-07-14	COE	Withheld for tax	12,000	493,620	Form 4
2026-07-10	COE	Award / grant	72,720	72,720	Form 4
2026-07-10	COE	Option exercise	72,720	505,620	Form 4
2026-06-30	COE	Option exercise	275,000	0	Form 4
2026-06-30	COE	Option exercise	275,000	42,251,300	Form 4
2026-05-18	COE	Option exercise	137,500	962,500	Form 4
2026-05-18	COE	Option exercise	137,500	41,976,300	Form 4
2026-03-30	COE	Option exercise	275,000	275,000	Form 4
2026-03-30	COE	Option exercise	275,000	41,838,800	Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.