AMPX

Amprius Technologies, Inc.

Insider trading activity for Amprius Technologies, 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

-$1.3M

net selling

Bought(0 · 0 insiders): $0
Sold(4 · 3 insiders): $1.3M

Past 6 months

-$30.2M

net selling

Bought(0 · 0 insiders): $0
Sold(16 · 4 insiders): $30.2M

Past 12 months

-$85.7M

net selling

Bought(0 · 0 insiders): $0
Sold(37 · 6 insiders): $85.7M

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
Aug 25	Stepien Thomas M	Chief Executive Officer	AGRANT	346	—	—	+0.9%	Open the original filing on SEC.gov
Aug 25	Stepien Thomas M	Chief Executive Officer	GGIFT	346	—	—	<0.1%	Open the original filing on SEC.gov
Aug 25	Stepien Thomas M	Chief Executive Officer	GGIFT	5,000	—	—	-0.9%	Open the original filing on SEC.gov
Aug 25	Stepien Thomas M	Chief Executive Officer	GGIFT	5,000	—	—	-0.9%	Open the original filing on SEC.gov
Aug 25	Stepien Thomas M	Chief Executive Officer	GGIFT	5,000	—	—	-0.8%	Open the original filing on SEC.gov
Aug 24	Stepien Thomas M	Chief Executive Officer	SSELL	8,000	$10.03	$80.2K	-1.3%	Open the original filing on SEC.gov
Aug 21	Stefan Constantin Ionel	Chief Technology Officer	SSELL	29,681	$10.34	$306.9K	-3.7%	Open the original filing on SEC.gov
Aug 21	Sun Kang	Director	SSELL	62,101	$10.34	$642.2K	-4.9%	Open the original filing on SEC.gov
Aug 21	Stepien Thomas M	Chief Executive Officer	SSELL	23,529	$10.34	$243.3K	-3.8%	Open the original filing on SEC.gov
Jun 15	Dixon Donald R	Director	SSELL	85,000	$17.17	$1.5M	-19.1%	Open the original filing on SEC.gov
Jun 12	Satterthwaite Livingston	Director	AGRANT	10,423	—	—	+3.1%	Open the original filing on SEC.gov
Jun 12	Chu Steven	Director	AGRANT	10,423	—	—	+8.2%	Open the original filing on SEC.gov
Jun 12	Bayless Kathleen A	Director	AGRANT	10,423	—	—	+5.1%	Open the original filing on SEC.gov
Jun 12	Dixon Donald R	Director	AGRANT	10,423	—	—	+3.9%	Open the original filing on SEC.gov
Jun 9	Dixon Donald R	Director	SSELL	40,000	$19.13	$765.2K	-8.3%	Open the original filing on SEC.gov
Jun 4	Stepien Thomas M	Chief Executive Officer	SSELL	2,000	$20.97	$41.9K	-0.3%	Open the original filing on SEC.gov
Jun 4	Stepien Thomas M	Chief Executive Officer	GGIFT	36,914	—	—	—	Open the original filing on SEC.gov
Jun 4	Stepien Thomas M	Chief Executive Officer	GGIFT	36,914	—	—	-5.5%	Open the original filing on SEC.gov
Jun 4	Stepien Thomas M	Chief Executive Officer	GGIFT	30,384	—	—	-4.4%	Open the original filing on SEC.gov
May 27	Stepien Thomas M	Chief Executive Officer	SSELL	4,375	$17.19	$75.2K	-0.6%	Open the original filing on SEC.gov
May 27	Stefan Constantin Ionel	Chief Technology Officer	SSELL	3,208	$17.19	$55.2K	-0.4%	Open the original filing on SEC.gov
May 27	Sun Kang	Director	SSELL	356	$17.19	$6.1K	<0.1%	Open the original filing on SEC.gov
May 26	Dixon Donald R	Director	SSELL	17,895	$17.90	$320.3K	-3.6%	Open the original filing on SEC.gov
May 21	Stepien Thomas M	Chief Executive Officer	SSELL	60,702	$14.79	$897.7K	-8.0%	Open the original filing on SEC.gov
May 21	Stefan Constantin Ionel	Chief Technology Officer	SSELL	28,812	$14.79	$426.1K	-3.5%	Open the original filing on SEC.gov
May 21	Sun Kang	Director	SSELL	67,796	$14.79	$1M	-5.0%	Open the original filing on SEC.gov
May 5	Sun Kang	Director	AGRANT	6,250	—	—	+0.5%	Open the original filing on SEC.gov
Apr 1	Sun Kang	Director	MEXER◷?◆	187,495	$3.68	$690K	—	Open the original filing on SEC.gov
Apr 1	Sun Kang	Director	MEXER◷?◆	1.3M	$1.78	$2.3M	—	Open the original filing on SEC.gov
Apr 1	Sun Kang	Director	SSELL◷?	249,037	$16.78	$4.2M	-15.7%	Open the original filing on SEC.gov
Apr 1	Sun Kang	Director	SSELL◷?	1.3M	$15.73	$19.7M	-44.0%	Open the original filing on SEC.gov
Apr 1	Sun Kang	Director	MEXER◷?	187,495	$3.68	$690K	+7.1%	Open the original filing on SEC.gov
Apr 1	Sun Kang	Director	MEXER◷?	1.3M	$1.78	$2.3M	+97.8%	Open the original filing on SEC.gov
Mar 23	Sun Kang	Director	SSELL◷?	65,046	$19.06	$1.2M	-53.6%	Open the original filing on SEC.gov
Mar 23	Sun Kang	Director	SSELL◷?	152,823	$18.69	$2.9M	-55.7%	Open the original filing on SEC.gov
Mar 12	Chu Steven	Director	MEXER◆	69,422	$0.62	$43K	—	Open the original filing on SEC.gov
Mar 12	Chu Steven	Director	MEXER◆	86,143	$2.61	$224.8K	—	Open the original filing on SEC.gov
Mar 12	Chu Steven	Director	SSELL	5,565	$18.53	$103.1K	-4.2%	Open the original filing on SEC.gov
Mar 12	Chu Steven	Director	SSELL	50,000	$18.21	$910.7K	-27.3%	Open the original filing on SEC.gov
Mar 12	Chu Steven	Director	SSELL	100,000	$18.65	$1.9M	-35.4%	Open the original filing on SEC.gov
Mar 12	Chu Steven	Director	MEXER	69,422	$0.62	$43K	+32.5%	Open the original filing on SEC.gov
Mar 12	Chu Steven	Director	MEXER	86,143	$2.61	$224.8K	+67.7%	Open the original filing on SEC.gov
Mar 12	HSIEH Wen Hsuan	Director	MEXER◆	270,251	$2.61	$705.4K	—	Open the original filing on SEC.gov
Mar 12	HSIEH Wen Hsuan	Director	SSELL	130,646	$18.22	$2.4M	-74.6%	Open the original filing on SEC.gov
Mar 12	HSIEH Wen Hsuan	Director	SSELL	282,500	$18.55	$5.2M	-61.7%	Open the original filing on SEC.gov
Mar 12	HSIEH Wen Hsuan	Director	MEXER	270,251	$2.61	$705.4K	+144.3%	Open the original filing on SEC.gov
Mar 10	Chu Steven	Director	MEXER◆	104,132	$0.62	$64.6K	—	Open the original filing on SEC.gov
Mar 10	Chu Steven	Director	SSELL	166,632	$17.92	$3M	-56.7%	Open the original filing on SEC.gov
Mar 10	Chu Steven	Director	MEXER	104,132	$0.62	$64.6K	+54.9%	Open the original filing on SEC.gov
Mar 4	Stepien Thomas M	Chief Executive Officer	AGRANT	150,000	—	—	+24.6%	Open the original filing on SEC.gov
Mar 4	Stefan Constantin Ionel	Chief Technology Officer	AGRANT	110,000	—	—	+15.2%	Open the original filing on SEC.gov
Mar 4	Rodriguez Ricardo C.	Chief Financial Officer	AGRANT↺	150,000	—	—	+75.0%	Open the original filing on SEC.gov
Feb 23	Stefan Constantin Ionel	Chief Technology Officer	SSELL	25,366	$10.16	$257.6K	-3.4%	Open the original filing on SEC.gov
Feb 23	Sun Kang	Director	SSELL	61,251	$10.16	$622K	-4.4%	Open the original filing on SEC.gov
Jan 28	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	39,600	—	—	—	Open the original filing on SEC.gov
Jan 28	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	90	—	—	—	Open the original filing on SEC.gov
Jan 28	Stefan Constantin Ionel	Chief Technology Officer	SSELL◷?	39,690	$12.00	$476.4K	-5.0%	Open the original filing on SEC.gov
Jan 28	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	39,600	$0.05	$2K	+5.3%	Open the original filing on SEC.gov
Jan 28	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	90	$0.62	$56	+<0.1%	Open the original filing on SEC.gov
Jan 23	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	1,600	—	—	—	Open the original filing on SEC.gov
Jan 23	Stefan Constantin Ionel	Chief Technology Officer	SSELL◷?	1,600	$12.00	$19.2K	-0.2%	Open the original filing on SEC.gov
Jan 23	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	1,600	$0.05	$80	+0.2%	Open the original filing on SEC.gov
Jan 22	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	166,104	—	—	—	Open the original filing on SEC.gov
Jan 22	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	72,795	—	—	—	Open the original filing on SEC.gov
Jan 22	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	253,928	—	—	—	Open the original filing on SEC.gov
Jan 22	Stefan Constantin Ionel	Chief Technology Officer	SSELL◷?	492,827	$12.04	$5.9M	-39.7%	Open the original filing on SEC.gov
Jan 22	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	166,104	$0.05	$8.3K	+15.4%	Open the original filing on SEC.gov
Jan 22	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	72,795	$0.45	$32.8K	+7.3%	Open the original filing on SEC.gov
Jan 22	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	253,928	$0.05	$12.7K	+33.9%	Open the original filing on SEC.gov
Jan 21	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	15,883	—	—	—	Open the original filing on SEC.gov
Jan 21	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	15,834	—	—	—	Open the original filing on SEC.gov
Jan 21	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	41,563	—	—	—	Open the original filing on SEC.gov
Jan 21	Stefan Constantin Ionel	Chief Technology Officer	SSELL◷?	73,280	$12.00	$879.4K	-8.9%	Open the original filing on SEC.gov
Jan 21	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	15,883	$0.05	$794	+2.0%	Open the original filing on SEC.gov
Jan 21	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	15,834	$0.05	$792	+2.0%	Open the original filing on SEC.gov
Jan 21	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	41,563	$0.62	$25.8K	+5.5%	Open the original filing on SEC.gov
Jan 20	Sun Kang	Director	MEXER◷?◆	43,185	—	—	—	Open the original filing on SEC.gov
Jan 20	Sun Kang	Director	SSELL◷?	43,185	$11.03	$476.3K	-3.0%	Open the original filing on SEC.gov
Jan 20	Sun Kang	Director	MEXER◷?	43,185	$1.78	$76.9K	+3.1%	Open the original filing on SEC.gov
Jan 16	Sun Kang	Director	MEXER◷?◆	100,210	—	—	—	Open the original filing on SEC.gov
Jan 16	Sun Kang	Director	MEXER◷?◆	850,338	—	—	—	Open the original filing on SEC.gov
Jan 16	Sun Kang	Director	SSELL◷?	950,548	$11.07	$10.5M	-40.4%	Open the original filing on SEC.gov
Jan 16	Sun Kang	Director	MEXER◷?	100,210	$1.78	$178.4K	+4.5%	Open the original filing on SEC.gov
Jan 16	Sun Kang	Director	MEXER◷?	850,338	$2.50	$2.1M	+60.6%	Open the original filing on SEC.gov
Jan 12	Sun Kang	Director	MEXER◷?◆	117,201	—	—	—	Open the original filing on SEC.gov
Jan 12	Sun Kang	Director	MEXER◷?◆	208,264	—	—	—	Open the original filing on SEC.gov
Jan 12	Sun Kang	Director	MEXER◷?◆	180,802	—	—	—	Open the original filing on SEC.gov
Jan 12	Sun Kang	Director	SSELL◷?	506,267	$10.10	$5.1M	-26.5%	Open the original filing on SEC.gov
Jan 12	Sun Kang	Director	MEXER◷?	117,201	$2.50	$293K	+6.5%	Open the original filing on SEC.gov
Jan 12	Sun Kang	Director	MEXER◷?	208,264	$2.44	$508.2K	+13.1%	Open the original filing on SEC.gov
Jan 12	Sun Kang	Director	MEXER◷?	180,802	$0.62	$112.1K	+12.9%	Open the original filing on SEC.gov
Dec 19, 2025	Stepien Thomas M	Chief Executive Officer	AGRANT↺	200,000	—	—	+35.7%	Open the original filing on SEC.gov
Dec 11, 2025	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?◆	125,000	—	—	—	Open the original filing on SEC.gov
Dec 11, 2025	Stefan Constantin Ionel	Chief Technology Officer	SSELL◷?	198,255	$10.51	$2.1M	-20.9%	Open the original filing on SEC.gov
Dec 11, 2025	Stefan Constantin Ionel	Chief Technology Officer	MEXER◷?	125,000	$0.05	$6.3K	+15.2%	Open the original filing on SEC.gov
Nov 21, 2025	Stefan Constantin Ionel	Chief Technology Officer	SSELL	25,024	$10.08	$252.3K	-2.9%	Open the original filing on SEC.gov
Nov 21, 2025	Sun Kang	Chief Executive Officer	SSELL	68,655	$10.08	$692.1K	-4.7%	Open the original filing on SEC.gov
Nov 17, 2025	Sun Kang	Chief Executive Officer	MEXER◷?◆	41,653	—	—	—	Open the original filing on SEC.gov
Nov 17, 2025	Sun Kang	Chief Executive Officer	MEXER◷?◆	27,463	—	—	—	Open the original filing on SEC.gov
Nov 17, 2025	Sun Kang	Chief Executive Officer	MEXER◷?◆	727,950	—	—	—	Open the original filing on SEC.gov

AGRANT—

Stepien Thomas M · Chief Executive…Aug 25

346 sh · +0.9% own

GGIFT—

Stepien Thomas M · Chief Executive…Aug 25

346 sh · <0.1% own

GGIFT—

Stepien Thomas M · Chief Executive…Aug 25

5,000 sh · -0.9% own

GGIFT—

Stepien Thomas M · Chief Executive…Aug 25

5,000 sh · -0.9% own

GGIFT—

Stepien Thomas M · Chief Executive…Aug 25

5,000 sh · -0.8% own

SSELL$80.2K

Stepien Thomas M · Chief Executive…Aug 24

8,000 sh @ $10.03 · -1.3% own

SSELL$306.9K

Stefan Constantin Ionel · Chief Technology…Aug 21

29,681 sh @ $10.34 · -3.7% own

SSELL$642.2K

Sun Kang · DirectorAug 21

62,101 sh @ $10.34 · -4.9% own

SSELL$243.3K

Stepien Thomas M · Chief Executive…Aug 21

23,529 sh @ $10.34 · -3.8% own

SSELL$1.5M

Dixon Donald R · DirectorJun 15

85,000 sh @ $17.17 · -19.1% own

AGRANT—

Satterthwaite Livingston · DirectorJun 12

10,423 sh · +3.1% own

AGRANT—

Chu Steven · DirectorJun 12

10,423 sh · +8.2% own

AGRANT—

Bayless Kathleen A · DirectorJun 12

10,423 sh · +5.1% own

AGRANT—

Dixon Donald R · DirectorJun 12

10,423 sh · +3.9% own

SSELL$765.2K

Dixon Donald R · DirectorJun 9

40,000 sh @ $19.13 · -8.3% own

SSELL$41.9K

Stepien Thomas M · Chief Executive…Jun 4

2,000 sh @ $20.97 · -0.3% own

GGIFT—

Stepien Thomas M · Chief Executive…Jun 4

36,914 sh

GGIFT—

Stepien Thomas M · Chief Executive…Jun 4

36,914 sh · -5.5% own

GGIFT—

Stepien Thomas M · Chief Executive…Jun 4

30,384 sh · -4.4% own

SSELL$75.2K

Stepien Thomas M · Chief Executive…May 27

4,375 sh @ $17.19 · -0.6% own

SSELL$55.2K

Stefan Constantin Ionel · Chief Technology…May 27

3,208 sh @ $17.19 · -0.4% own

SSELL$6.1K

Sun Kang · DirectorMay 27

356 sh @ $17.19 · <0.1% own

SSELL$320.3K

Dixon Donald R · DirectorMay 26

17,895 sh @ $17.90 · -3.6% own

SSELL$897.7K

Stepien Thomas M · Chief Executive…May 21

60,702 sh @ $14.79 · -8.0% own

SSELL$426.1K

Stefan Constantin Ionel · Chief Technology…May 21

28,812 sh @ $14.79 · -3.5% own

SSELL$1M

Sun Kang · DirectorMay 21

67,796 sh @ $14.79 · -5.0% own

AGRANT—

Sun Kang · DirectorMay 5

6,250 sh · +0.5% own

MEXER◷?◆$690K

Sun Kang · DirectorApr 1

187,495 sh @ $3.68

MEXER◷?◆$2.3M

Sun Kang · DirectorApr 1

1.3M sh @ $1.78

SSELL◷?$4.2M

Sun Kang · DirectorApr 1

249,037 sh @ $16.78 · -15.7% own

SSELL◷?$19.7M

Sun Kang · DirectorApr 1

1.3M sh @ $15.73 · -44.0% own

MEXER◷?$690K

Sun Kang · DirectorApr 1

187,495 sh @ $3.68 · +7.1% own

MEXER◷?$2.3M

Sun Kang · DirectorApr 1

1.3M sh @ $1.78 · +97.8% own

SSELL◷?$1.2M

Sun Kang · DirectorMar 23

65,046 sh @ $19.06 · -53.6% own

SSELL◷?$2.9M

Sun Kang · DirectorMar 23

152,823 sh @ $18.69 · -55.7% own

MEXER◆$43K

Chu Steven · DirectorMar 12

69,422 sh @ $0.62

MEXER◆$224.8K

Chu Steven · DirectorMar 12

86,143 sh @ $2.61

SSELL$103.1K

Chu Steven · DirectorMar 12

5,565 sh @ $18.53 · -4.2% own

SSELL$910.7K

Chu Steven · DirectorMar 12

50,000 sh @ $18.21 · -27.3% own

SSELL$1.9M

Chu Steven · DirectorMar 12

100,000 sh @ $18.65 · -35.4% own

MEXER$43K

Chu Steven · DirectorMar 12

69,422 sh @ $0.62 · +32.5% own

MEXER$224.8K

Chu Steven · DirectorMar 12

86,143 sh @ $2.61 · +67.7% own

MEXER◆$705.4K

HSIEH Wen Hsuan · DirectorMar 12

270,251 sh @ $2.61

SSELL$2.4M

HSIEH Wen Hsuan · DirectorMar 12

130,646 sh @ $18.22 · -74.6% own

SSELL$5.2M

HSIEH Wen Hsuan · DirectorMar 12

282,500 sh @ $18.55 · -61.7% own

MEXER$705.4K

HSIEH Wen Hsuan · DirectorMar 12

270,251 sh @ $2.61 · +144.3% own

MEXER◆$64.6K

Chu Steven · DirectorMar 10

104,132 sh @ $0.62

SSELL$3M

Chu Steven · DirectorMar 10

166,632 sh @ $17.92 · -56.7% own

MEXER$64.6K

Chu Steven · DirectorMar 10

104,132 sh @ $0.62 · +54.9% own

AGRANT—

Stepien Thomas M · Chief Executive…Mar 4

150,000 sh · +24.6% own

AGRANT—

Stefan Constantin Ionel · Chief Technology…Mar 4

110,000 sh · +15.2% own

AGRANT↺—

Rodriguez Ricardo C. · Chief Financial…Mar 4

150,000 sh · +75.0% own

SSELL$257.6K

Stefan Constantin Ionel · Chief Technology…Feb 23

25,366 sh @ $10.16 · -3.4% own

SSELL$622K

Sun Kang · DirectorFeb 23

61,251 sh @ $10.16 · -4.4% own

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Jan 28

39,600 sh

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Jan 28

90 sh

SSELL◷?$476.4K

Stefan Constantin Ionel · Chief Technology…Jan 28

39,690 sh @ $12.00 · -5.0% own

MEXER◷?$2K

Stefan Constantin Ionel · Chief Technology…Jan 28

39,600 sh @ $0.05 · +5.3% own

MEXER◷?$56

Stefan Constantin Ionel · Chief Technology…Jan 28

90 sh @ $0.62 · +<0.1% own

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Jan 23

1,600 sh

SSELL◷?$19.2K

Stefan Constantin Ionel · Chief Technology…Jan 23

1,600 sh @ $12.00 · -0.2% own

MEXER◷?$80

Stefan Constantin Ionel · Chief Technology…Jan 23

1,600 sh @ $0.05 · +0.2% own

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Jan 22

166,104 sh

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Jan 22

72,795 sh

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Jan 22

253,928 sh

SSELL◷?$5.9M

Stefan Constantin Ionel · Chief Technology…Jan 22

492,827 sh @ $12.04 · -39.7% own

MEXER◷?$8.3K

Stefan Constantin Ionel · Chief Technology…Jan 22

166,104 sh @ $0.05 · +15.4% own

MEXER◷?$32.8K

Stefan Constantin Ionel · Chief Technology…Jan 22

72,795 sh @ $0.45 · +7.3% own

MEXER◷?$12.7K

Stefan Constantin Ionel · Chief Technology…Jan 22

253,928 sh @ $0.05 · +33.9% own

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Jan 21

15,883 sh

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Jan 21

15,834 sh

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Jan 21

41,563 sh

SSELL◷?$879.4K

Stefan Constantin Ionel · Chief Technology…Jan 21

73,280 sh @ $12.00 · -8.9% own

MEXER◷?$794

Stefan Constantin Ionel · Chief Technology…Jan 21

15,883 sh @ $0.05 · +2.0% own

MEXER◷?$792

Stefan Constantin Ionel · Chief Technology…Jan 21

15,834 sh @ $0.05 · +2.0% own

MEXER◷?$25.8K

Stefan Constantin Ionel · Chief Technology…Jan 21

41,563 sh @ $0.62 · +5.5% own

MEXER◷?◆—

Sun Kang · DirectorJan 20

43,185 sh

SSELL◷?$476.3K

Sun Kang · DirectorJan 20

43,185 sh @ $11.03 · -3.0% own

MEXER◷?$76.9K

Sun Kang · DirectorJan 20

43,185 sh @ $1.78 · +3.1% own

MEXER◷?◆—

Sun Kang · DirectorJan 16

100,210 sh

MEXER◷?◆—

Sun Kang · DirectorJan 16

850,338 sh

SSELL◷?$10.5M

Sun Kang · DirectorJan 16

950,548 sh @ $11.07 · -40.4% own

MEXER◷?$178.4K

Sun Kang · DirectorJan 16

100,210 sh @ $1.78 · +4.5% own

MEXER◷?$2.1M

Sun Kang · DirectorJan 16

850,338 sh @ $2.50 · +60.6% own

MEXER◷?◆—

Sun Kang · DirectorJan 12

117,201 sh

MEXER◷?◆—

Sun Kang · DirectorJan 12

208,264 sh

MEXER◷?◆—

Sun Kang · DirectorJan 12

180,802 sh

SSELL◷?$5.1M

Sun Kang · DirectorJan 12

506,267 sh @ $10.10 · -26.5% own

MEXER◷?$293K

Sun Kang · DirectorJan 12

117,201 sh @ $2.50 · +6.5% own

MEXER◷?$508.2K

Sun Kang · DirectorJan 12

208,264 sh @ $2.44 · +13.1% own

MEXER◷?$112.1K

Sun Kang · DirectorJan 12

180,802 sh @ $0.62 · +12.9% own

AGRANT↺—

Stepien Thomas M · Chief Executive…Dec 19, 2025

200,000 sh · +35.7% own

MEXER◷?◆—

Stefan Constantin Ionel · Chief Technology…Dec 11, 2025

125,000 sh

SSELL◷?$2.1M

Stefan Constantin Ionel · Chief Technology…Dec 11, 2025

198,255 sh @ $10.51 · -20.9% own

MEXER◷?$6.3K

Stefan Constantin Ionel · Chief Technology…Dec 11, 2025

125,000 sh @ $0.05 · +15.2% own

SSELL$252.3K

Stefan Constantin Ionel · Chief Technology…Nov 21, 2025

25,024 sh @ $10.08 · -2.9% own

SSELL$692.1K

Sun Kang · Chief Executive…Nov 21, 2025

68,655 sh @ $10.08 · -4.7% own

MEXER◷?◆—

Sun Kang · Chief Executive…Nov 17, 2025

41,653 sh

MEXER◷?◆—

Sun Kang · Chief Executive…Nov 17, 2025

27,463 sh

MEXER◷?◆—

Sun Kang · Chief Executive…Nov 17, 2025

727,950 sh

Filing record

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

All 46 filings we hold were filed within the two-business-day deadline.

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.

More technology companies

Other issuers in the same industry with insider filings on record.

Whole sector →