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$NTHI

$4.28 -$0.07 (1.61%)

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Insider Transactions

Insider Transaction Summary

Amir F Heshmatpour

3,072,000 shares

Net: +1,306,000 B/S: ∞

THOMAS C CHEN

551,668 shares

Net: 0 B/S: -

MING-FU (ALAN) CHIANG

324,688 shares

Net: 0 B/S: -

KEITHLY GARNETT

240,900 shares

Net: 0 B/S: -

Yousha Neman-Ebrahim

134,760 shares

Net: +1,600 B/S: ∞

DAVID JR. SUH,

111,866 shares

Net: +111,866 B/S: ∞

PATRICK WALTERS

66,669 shares

Net: 0 B/S: -

Jim Delshad

55,310 shares

Net: 0 B/S: -

STEVEN L. GIANNOTTA

50,160 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Amir F Heshmatpour	3,072,000	+1,306,000	∞
THOMAS C CHEN	551,668	0	-
MING-FU (ALAN) CHIANG	324,688	0	-
KEITHLY GARNETT	240,900	0	-
Yousha Neman-Ebrahim	134,760	+1,600	∞
DAVID JR. SUH,	111,866	+111,866	∞
PATRICK WALTERS	66,669	0	-
Jim Delshad	55,310	0	-
STEVEN L. GIANNOTTA	50,160	0	-

Individual Transactions

May 01, 2026

Amir F Heshmatpour

Open Market Purchase

Change: +10,000

Price: $4.16

Shares: 3,072,000

Value: +$41,592

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	May 04	Open Market Purchase (P) Market Purchase	3,072,000	+10,000	$4.16	+$41,592

April 28, 2026

Amir F Heshmatpour

Open Market Purchase

Change: +10,000

Price: $4.52

Shares: 3,062,000

Value: +$45,180

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Apr 28	Open Market Purchase (P) Market Purchase	3,062,000	+10,000	$4.52	+$45,180

April 23, 2026

Amir F Heshmatpour

Open Market Purchase

Change: +10,000

Price: $4.90

Shares: 3,052,000

Value: +$49,000

Yousha Neman-Ebrahim

Open Market Purchase

Change: +500

Price: $4.88

Shares: 134,760

Value: +$2,440

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Apr 23	Open Market Purchase (P) Market Purchase	3,052,000	+10,000	$4.90	+$49,000
Yousha Neman-Ebrahim	Apr 24	Open Market Purchase (P) Market Purchase	134,760	+500	$4.88	+$2,440

April 10, 2026

Amir F Heshmatpour

Open Market Purchase

Change: +10,000

Price: $4.90

Shares: 3,042,000

Value: +$48,950

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Apr 10	Open Market Purchase (P) Market Purchase	3,042,000	+10,000	$4.90	+$48,950

April 09, 2026

Amir F Heshmatpour

Open Market Purchase

Change: +5,000

Price: $5.19

Shares: 3,032,000

Value: +$25,950

DAVID JR. SUH,

Open Market Purchase

Change: +200

Price: $5.00

Shares: 111,866

Value: +$1,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Apr 09	Open Market Purchase (P) Market Purchase	3,032,000	+5,000	$5.19	+$25,950
DAVID JR. SUH,	Apr 13	Open Market Purchase (P) Market Purchase	111,866	+200	$5.00	+$1,000

April 08, 2026

Amir F Heshmatpour

Open Market Purchase

Change: +10,000

Price: $5.61

Shares: 3,027,000

Value: +$56,050

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Apr 09	Open Market Purchase (P) Market Purchase	3,027,000	+10,000	$5.61	+$56,050

April 06, 2026

Amir F Heshmatpour

Open Market Purchase

Change: +5,000

Price: $6.32

Shares: 3,017,000

Value: +$31,600

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Apr 06	Open Market Purchase (P) Market Purchase	3,017,000	+5,000	$6.32	+$31,600

April 02, 2026

Amir F Heshmatpour

Open Market Purchase

Change: +20,000

Price: $6.09

Shares: 3,012,000

Value: +$121,798

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Apr 06	Open Market Purchase (P) Market Purchase	3,012,000	+20,000	$6.09	+$121,798

March 01, 2026

DAVID JR. SUH,

Grant/Award Acquisition

Change: +111,666

Price: $0.00

Shares: 111,666

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
DAVID JR. SUH,	Apr 13	Grant/Award Acquisition (A) Compensation/Award	111,666	+111,666	$0.00	+$0

November 24, 2025

Amir F Heshmatpour

Open Market Purchase

Change: +6,000

Price: $6.51

Shares: 2,992,000

Value: +$39,060

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Nov 24	Open Market Purchase (P) Market Purchase	2,992,000	+6,000	$6.51	+$39,060

November 21, 2025

Amir F Heshmatpour

Open Market Purchase

Change: +20,000

Price: $5.98

Shares: 2,982,000

Value: +$119,600

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Nov 24	Open Market Purchase (P) Market Purchase	2,982,000	+20,000	$5.98	+$119,600

November 20, 2025

Yousha Neman-Ebrahim

Open Market Purchase

Change: +1,100

Price: $6.69

Shares: 134,260

Value: +$7,359

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Yousha Neman-Ebrahim	Nov 24	Open Market Purchase (P) Market Purchase	134,260	+1,100	$6.69	+$7,359

November 06, 2025

Amir F Heshmatpour

Grant/Award Acquisition

Change: +1,200,000

Price: $0.00

Shares: 2,962,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	Nov 10	Grant/Award Acquisition (A) Compensation/Award	2,962,000	+1,200,000	$0.00	+$0

June 05, 2025

Yousha Neman-Ebrahim

Grant/Award Acquisition

Change: +133,000

Price: $0.00

Shares: 133,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Yousha Neman-Ebrahim	Jun 09	Grant/Award Acquisition (A) Compensation/Award	133,000	+133,000	$0.00	+$0

May 23, 2025

Amir F Heshmatpour

Open Market Purchase

Change: +2,000

Price: $7.39

Shares: 1,762,000

Value: +$14,785

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Amir F Heshmatpour	May 23	Open Market Purchase (P) Market Purchase	1,762,000	+2,000	$7.39	+$14,785

May 22, 2025

THOMAS C CHEN

Open Market Purchase

Change: +2,709

Price: $7.38

Shares: 551,668

Value: +$20,000

KEITHLY GARNETT

Open Market Purchase

Change: +675

Price: $7.29

Shares: 240,900

Value: +$4,920

Insider	Filing Date	Transaction	Shares	Change	Price	Value
THOMAS C CHEN	May 23	Open Market Purchase (P) Market Purchase	551,668	+2,709	$7.38	+$20,000
KEITHLY GARNETT	May 23	Open Market Purchase (P) Market Purchase	240,900	+675	$7.29	+$4,920

May 21, 2025

THOMAS C CHEN

Open Market Purchase

Change: +2,759

Price: $7.25

Shares: 548,959

Value: +$20,002

Insider	Filing Date	Transaction	Shares	Change	Price	Value
THOMAS C CHEN	May 23	Open Market Purchase (P) Market Purchase	548,959	+2,759	$7.25	+$20,002