Innovative Solutions and Support Inc (038880)

Over the past ninety days, Inside Director Choe Dong Cheol executed six consecutive buy transactions, acquiring shares worth approximately 4.47 million KRW. This activity follows a positive earnings report where the company exceeded expectations by 37.5 percent. The stock has experienced a 34.5 percent price increase during this period, reflecting notable market momentum.
Ticker: 038880 Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Innovative Solutions and Support Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Choe Dong Cheol (최동철) Inside Director (사내이사) Executive Director Large shareholder
Transaction date
Purchase
Price
42.18
Quantity 80,018 +29.2%
Value ₩275,819
Choe Dong Cheol (최동철) Inside Director (사내이사) Executive Director Large shareholder
Transaction date
Purchase
Price
375.78
Quantity 74,721 -8.1%
Value ₩1,792,313
Choe Dong Cheol (최동철) Inside Director (사내이사) Executive Director Large shareholder
Transaction date
Purchase
Price
287.83
Quantity 9,670 -18.3%
Value ₩3,982,149
Choe Dong Cheol (최동철) Inside Director (사내이사) Executive Director Large shareholder
Transaction date
Purchase
Price
3,355.00
Quantity 1,000 +0.1%
Value ₩100,000
Choe Dong Cheol (최동철) Inside Director (사내이사) Executive Director Large shareholder
Transaction date
Purchase
Price
3,333.00
Quantity 1,000 +0.9%
Value ₩100,000
Choe Dong Cheol (최동철) Inside Director (사내이사) Executive Director Large shareholder
Transaction date
Purchase
Price
3,377.00
Quantity 1,000 +4.1%
Value ₩100,000
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
13.69
Quantity 145,009 -8.4%
Value US$1,984,912
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
13.91
Quantity 31,580 -1.8%
Value US$439,199
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
13.50
Quantity 40,919 -2.3%
Value US$552,406
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
13.21
Quantity 59,667 -3.2%
Value US$788,213
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
12.92
Quantity 90,655 -4.6%
Value US$1,171,417
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
12.50
Quantity 89,414 -4.4%
Value US$1,117,246
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
12.25
Quantity 31,953 -1.5%
Value US$391,424
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
12.28
Quantity 17,198 -0.8%
Value US$211,117
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
12.77
Quantity 21,809 -1.0%
Value US$278,536
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.77
Quantity 5,116 -0.2%
Value US$60,217
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.75
Quantity 438 -0.0%
Value US$5,146
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.78
Quantity 63,592 -2.9%
Value US$749,247
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.76
Quantity 35,437 -1.6%
Value US$416,739
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.79
Quantity 11,944 -0.5%
Value US$140,844
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.67
Quantity 43,997 -1.9%
Value US$513,353
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.50
Quantity 6,766 -0.3%
Value US$77,814
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.51
Quantity 17,740 -0.8%
Value US$204,234
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.59
Quantity 14,970 -0.6%
Value US$173,523
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.21
Quantity 63,368 -2.7%
Value US$710,495
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.84
Quantity 42,788 -1.8%
Value US$506,773
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.17
Quantity 7,086 -0.3%
Value US$79,144
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.32
Quantity 6,713 -0.3%
Value US$75,972
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
11.21
Quantity 69,599 -2.8%
Value US$780,421
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
10.82
Quantity 98,600 -3.8%
Value US$1,066,911
3.5
Harborne Christopher Large shareholder
Transaction date
Sale
Price
10.16
Quantity 10,000 -0.4%
Value US$101,569
2.5
BRESSNER GLEN R Non-Executive Director
Transaction date
Purchase
Price
6.83
Quantity 4,000 +3.2%
Value US$27,312
2.5
BRESSNER GLEN R Non-Executive Director
Transaction date
Purchase
Price
6.71
Quantity 1,000 +0.8%
Value US$6,707
2.5
BRESSNER GLEN R Non-Executive Director
Transaction date
Purchase
Price
6.53
Quantity 5,000 +4.2%
Value US$32,630
2.5
BRESSNER GLEN R Non-Executive Director
Transaction date
Purchase
Price
5.63
Quantity 2,109 +1.8%
Value US$11,866
2.5
BRESSNER GLEN R Non-Executive Director
Transaction date
Purchase
Price
5.55
Quantity 12,891 +12.5%
Value US$71,542
2.5
BRESSNER GLEN R Non-Executive Director
Transaction date
Purchase
Price
7.85
Quantity 10,000 +14.0%
Value US$78,467
1.8
Estate of Geoffrey S. M. Hedrick Stakeholder Large shareholder
Transaction date
Proposed sale
Price
7.07
Quantity 174,387
Value US$1,232,567
Transaction date
Sale
Price
6.90
Quantity 3,499 -26.9%
Value US$24,143
3.1
WINSTON J CHURCHILL Former Affiliate
Transaction date
Proposed sale
Price
6.90
Quantity 3,499
Value US$24,143
3.1
WINSTON J CHURCHILL Former Affiliate
Transaction date
Proposed sale
Price
6.90
Quantity 14
Value US$97
Transaction date
Sale
Price
6.90
Quantity 14 -0.1%
Value US$97
Transaction date
Sale
Price
6.90
Quantity 1,556 -10.7%
Value US$10,736
3.1
WINSTON J CHURCHILL Former Affiliate
Transaction date
Proposed sale
Price
6.90
Quantity 1,556
Value US$10,736
Transaction date
Sale
Price
7.00
Quantity 900 -5.8%
Value US$6,304
3.1
WINSTON J CHURCHILL Former Affiliate
Transaction date
Proposed sale
Price
7.00
Quantity 900
Value US$6,304
Transaction date
Sale
Price
7.00
Quantity 80 -0.5%
Value US$560
2.5
BRESSNER GLEN R Non-Executive Director
Transaction date
Sale
Price
7.15
Quantity 1,319 -1.9%
Value US$9,431
3.1
WINSTON J CHURCHILL Former Affiliate
Transaction date
Proposed sale
Price
7.00
Quantity 80
Value US$560
Transaction date
Sale
Price
7.00
Quantity 300 -1.9%
Value US$2,100
3.1
WINSTON J CHURCHILL Former Affiliate
Transaction date
Proposed sale
Price
7.00
Quantity 300
Value US$2,100
2.5
BRESSNER GLEN R Non-Executive Director
Transaction date
Purchase
Price
7.21
Quantity 1,319 +1.8%
Value US$9,510
2.5
BRESSNER GLEN R Non-Executive Director
Transaction date
Purchase
Price
7.15
Quantity 3,681 +5.4%
Value US$26,319
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.50
Quantity 6,506 +0.2%
Value US$48,795
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.40
Quantity 11,294 +0.4%
Value US$83,589
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.75
Quantity 5,730 +0.2%
Value US$44,391
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.75
Quantity 7,104 +0.3%
Value US$55,056
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.74
Quantity 12,856 +0.5%
Value US$99,539
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.75
Quantity 1,398 +0.1%
Value US$10,834
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.75
Quantity 3,086 +0.1%
Value US$23,916
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.75
Quantity 9,215 +0.4%
Value US$71,416
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.75
Quantity 2,243 +0.1%
Value US$17,383
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.75
Quantity 4,874 +0.2%
Value US$37,774
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.75
Quantity 1,849 +0.1%
Value US$14,330
3.5
Harborne Christopher Large shareholder
Transaction date
Purchase
Price
7.75
Quantity 3,412 +0.1%
Value US$26,443
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-09-23 2026-09-23 B Purchase Choe Dong Cheol (최동철)

Inside Director (사내이사)

Executive Director Large shareholder
80,018 +29.2%
42.18
₩275,819
80,018 +29.2% 42.18 ₩275,819
2026-09-23 2026-09-22 B Purchase Choe Dong Cheol (최동철)

Inside Director (사내이사)

Executive Director Large shareholder
74,721 -8.1%
375.78
₩1,792,313
74,721 -8.1% 375.78 ₩1,792,313
2026-09-18 2026-09-18 B Purchase Choe Dong Cheol (최동철)

Inside Director (사내이사)

Executive Director Large shareholder
9,670 -18.3%
287.83
₩3,982,149
9,670 -18.3% 287.83 ₩3,982,149
2026-09-18 2026-09-17 B Purchase Choe Dong Cheol (최동철)

Inside Director (사내이사)

Executive Director Large shareholder
1,000 +0.1%
3,355.00
₩100,000
1,000 +0.1% 3,355.00 ₩100,000
2026-09-18 2026-09-16 B Purchase Choe Dong Cheol (최동철)

Inside Director (사내이사)

Executive Director Large shareholder
1,000 +0.9%
3,333.00
₩100,000
1,000 +0.9% 3,333.00 ₩100,000
2026-09-11 2026-09-10 B Purchase Choe Dong Cheol (최동철)

Inside Director (사내이사)

Executive Director Large shareholder
1,000 +4.1%
3,377.00
₩100,000
1,000 +4.1% 3,377.00 ₩100,000
2025-07-01 2025-06-30 S Sale Large shareholder
145,009 -8.4%
13.69
US$1,984,912
145,009 -8.4% 13.69 US$1,984,912
2025-07-01 2025-06-27 S Sale Large shareholder
31,580 -1.8%
13.91
US$439,199
31,580 -1.8% 13.91 US$439,199
2025-07-01 2025-06-27 S Sale Large shareholder
40,919 -2.3%
13.50
US$552,406
40,919 -2.3% 13.50 US$552,406
2025-06-27 2025-06-26 S Sale Large shareholder
59,667 -3.2%
13.21
US$788,213
59,667 -3.2% 13.21 US$788,213
2025-06-26 2025-06-25 S Sale Large shareholder
90,655 -4.6%
12.92
US$1,171,417
90,655 -4.6% 12.92 US$1,171,417
2025-06-24 2025-06-23 S Sale Large shareholder
89,414 -4.4%
12.50
US$1,117,246
89,414 -4.4% 12.50 US$1,117,246
2025-06-23 2025-06-20 S Sale Large shareholder
31,953 -1.5%
12.25
US$391,424
31,953 -1.5% 12.25 US$391,424
2025-06-20 2025-06-18 S Sale Large shareholder
17,198 -0.8%
12.28
US$211,117
17,198 -0.8% 12.28 US$211,117
2025-06-18 2025-06-17 S Sale Large shareholder
21,809 -1.0%
12.77
US$278,536
21,809 -1.0% 12.77 US$278,536
2025-06-12 2025-06-11 S Sale Large shareholder
5,116 -0.2%
11.77
US$60,217
5,116 -0.2% 11.77 US$60,217
2025-06-11 2025-06-10 S Sale Large shareholder
438 -0.0%
11.75
US$5,146
438 -0.0% 11.75 US$5,146
2025-06-10 2025-06-09 S Sale Large shareholder
63,592 -2.9%
11.78
US$749,247
63,592 -2.9% 11.78 US$749,247
2025-06-09 2025-06-06 S Sale Large shareholder
35,437 -1.6%
11.76
US$416,739
35,437 -1.6% 11.76 US$416,739
2025-06-06 2025-06-05 S Sale Large shareholder
11,944 -0.5%
11.79
US$140,844
11,944 -0.5% 11.79 US$140,844
2025-06-05 2025-06-04 S Sale Large shareholder
43,997 -1.9%
11.67
US$513,353
43,997 -1.9% 11.67 US$513,353
2025-06-05 2025-06-03 S Sale Large shareholder
6,766 -0.3%
11.50
US$77,814
6,766 -0.3% 11.50 US$77,814
2025-06-05 2025-06-02 S Sale Large shareholder
17,740 -0.8%
11.51
US$204,234
17,740 -0.8% 11.51 US$204,234
2025-02-07 2025-02-06 S Sale Large shareholder
14,970 -0.6%
11.59
US$173,523
14,970 -0.6% 11.59 US$173,523
2025-02-05 2025-02-04 S Sale Large shareholder
63,368 -2.7%
11.21
US$710,495
63,368 -2.7% 11.21 US$710,495
2025-02-03 2025-01-31 S Sale Large shareholder
42,788 -1.8%
11.84
US$506,773
42,788 -1.8% 11.84 US$506,773
2025-01-31 2025-01-30 S Sale Large shareholder
7,086 -0.3%
11.17
US$79,144
7,086 -0.3% 11.17 US$79,144
2025-01-27 2025-01-24 S Sale Large shareholder
6,713 -0.3%
11.32
US$75,972
6,713 -0.3% 11.32 US$75,972
2025-01-24 2025-01-23 S Sale Large shareholder
69,599 -2.8%
11.21
US$780,421
69,599 -2.8% 11.21 US$780,421
2025-01-22 2025-01-21 S Sale Large shareholder
98,600 -3.8%
10.82
US$1,066,911
98,600 -3.8% 10.82 US$1,066,911
2025-01-22 2025-01-17 S Sale Large shareholder
10,000 -0.4%
10.16
US$101,569
10,000 -0.4% 10.16 US$101,569
2024-08-16 2024-08-15 B Purchase Non-Executive Director
4,000 +3.2%
6.83
US$27,312
4,000 +3.2% 6.83 US$27,312
2024-08-16 2024-08-14 B Purchase Non-Executive Director
1,000 +0.8%
6.71
US$6,707
1,000 +0.8% 6.71 US$6,707
2024-08-16 2024-08-13 B Purchase Non-Executive Director
5,000 +4.2%
6.53
US$32,630
5,000 +4.2% 6.53 US$32,630
2024-05-23 2024-05-22 B Purchase Non-Executive Director
2,109 +1.8%
5.63
US$11,866
2,109 +1.8% 5.63 US$11,866
2024-05-23 2024-05-21 B Purchase Non-Executive Director
12,891 +12.5%
5.55
US$71,542
12,891 +12.5% 5.55 US$71,542
2023-09-11 2023-09-08 B Purchase Non-Executive Director
10,000 +14.0%
7.85
US$78,467
10,000 +14.0% 7.85 US$78,467
2023-07-18 2023-07-18 S Sale Large shareholder
14,300 -0.4%
7.50
US$107,207
14,300 -0.4% 7.50 US$107,207
2023-07-18 2023-07-17 S Sale Large shareholder
9,972 -0.3%
7.84
US$78,161
9,972 -0.3% 7.84 US$78,161
2023-07-18 2023-07-14 S Sale Large shareholder
25,000 -0.7%
7.44
US$186,025
25,000 -0.7% 7.44 US$186,025
2023-07-13 2023-07-13 S Sale Large shareholder
75,000 -2.2%
7.28
US$545,700
75,000 -2.2% 7.28 US$545,700
2023-07-13 2023-07-12 S Sale Large shareholder
50,000 -1.4%
7.25
US$362,500
50,000 -1.4% 7.25 US$362,500
2023-07-13 2023-07-11 S Sale Large shareholder
100 -0.0%
7.37
US$737
100 -0.0% 7.37 US$737
2023-07-10 2023-07-10 PrS Proposed sale

Stakeholder

Large shareholder
174,387
7.07
US$1,232,567
174,387 7.07 US$1,232,567
2023-06-14 2023-06-13 S Sale
3,499 -26.9%
6.90
US$24,143
3,499 -26.9% 6.90 US$24,143
2023-06-13 2023-06-13 PrS Proposed sale

Former Affiliate

3,499
6.90
US$24,143
3,499 6.90 US$24,143
2023-06-06 2023-06-06 PrS Proposed sale

Former Affiliate

14
6.90
US$97
14 6.90 US$97
2023-06-06 2023-06-06 S Sale
14 -0.1%
6.90
US$97
14 -0.1% 6.90 US$97
2023-06-06 2023-06-05 S Sale
1,556 -10.7%
6.90
US$10,736
1,556 -10.7% 6.90 US$10,736
2023-06-05 2023-06-05 PrS Proposed sale

Former Affiliate

1,556
6.90
US$10,736
1,556 6.90 US$10,736
2023-05-30 2023-05-19 S Sale
900 -5.8%
7.00
US$6,304
900 -5.8% 7.00 US$6,304
2023-05-19 2023-05-19 PrS Proposed sale

Former Affiliate

900
7.00
US$6,304
900 7.00 US$6,304
2023-05-30 2023-05-18 S Sale
80 -0.5%
7.00
US$560
80 -0.5% 7.00 US$560
2023-05-26 2023-05-18 S Sale Non-Executive Director
1,319 -1.9%
7.15
US$9,431
1,319 -1.9% 7.15 US$9,431
2023-05-18 2023-05-18 PrS Proposed sale

Former Affiliate

80
7.00
US$560
80 7.00 US$560
2023-05-30 2023-05-17 S Sale
300 -1.9%
7.00
US$2,100
300 -1.9% 7.00 US$2,100
2023-05-17 2023-05-17 PrS Proposed sale

Former Affiliate

300
7.00
US$2,100
300 7.00 US$2,100
2024-01-29 2023-05-16 B Purchase Non-Executive Director
1,319 +1.8%
7.21
US$9,510
1,319 +1.8% 7.21 US$9,510
2024-01-29 2023-05-15 B Purchase Non-Executive Director
3,681 +5.4%
7.15
US$26,319
3,681 +5.4% 7.15 US$26,319
2023-04-12 2023-04-11 S Sale Large shareholder
3 -0.0%
7.65
US$23
3 -0.0% 7.65 US$23
2023-04-12 2023-04-10 S Sale Large shareholder
1,038 -0.0%
7.65
US$7,941
1,038 -0.0% 7.65 US$7,941
2023-03-30 2023-03-29 B Purchase Large shareholder
6,506 +0.2%
7.50
US$48,795
6,506 +0.2% 7.50 US$48,795
2023-03-27 2023-03-24 B Purchase Large shareholder
11,294 +0.4%
7.40
US$83,589
11,294 +0.4% 7.40 US$83,589
2023-03-24 2023-03-23 B Purchase Large shareholder
5,730 +0.2%
7.75
US$44,391
5,730 +0.2% 7.75 US$44,391
2023-03-24 2023-03-23 S Sale Large shareholder
2,948 -0.1%
7.75
US$22,847
2,948 -0.1% 7.75 US$22,847
2023-03-24 2023-03-22 S Sale Large shareholder
446 -0.0%
7.76
US$3,461
446 -0.0% 7.76 US$3,461
2023-03-23 2023-03-21 B Purchase Large shareholder
7,104 +0.3%
7.75
US$55,056
7,104 +0.3% 7.75 US$55,056
2023-03-21 2023-03-20 B Purchase Large shareholder
12,856 +0.5%
7.74
US$99,539
12,856 +0.5% 7.74 US$99,539
2023-03-20 2023-03-17 B Purchase Large shareholder
1,398 +0.1%
7.75
US$10,834
1,398 +0.1% 7.75 US$10,834
2023-03-17 2023-03-16 B Purchase Large shareholder
3,086 +0.1%
7.75
US$23,916
3,086 +0.1% 7.75 US$23,916
2023-03-16 2023-03-15 B Purchase Large shareholder
9,215 +0.4%
7.75
US$71,416
9,215 +0.4% 7.75 US$71,416
2023-03-14 2023-03-13 B Purchase Large shareholder
2,243 +0.1%
7.75
US$17,383
2,243 +0.1% 7.75 US$17,383
2023-03-10 2023-03-09 B Purchase Large shareholder
4,874 +0.2%
7.75
US$37,774
4,874 +0.2% 7.75 US$37,774
2023-03-08 2023-03-07 B Purchase Large shareholder
1,849 +0.1%
7.75
US$14,330
1,849 +0.1% 7.75 US$14,330
2023-03-07 2023-03-03 B Purchase Large shareholder
3,412 +0.1%
7.75
US$26,443
3,412 +0.1% 7.75 US$26,443