Insider Transactions Reported by 15 Insiders of INNOVATIVE SOLUTIONS & SUPPORT INC

Symbol
ISSC on Nasdaq
Location
Exton, PA

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Quick Takeaways

  • ISSC - INNOVATIVE SOLUTIONS & SUPPORT INC has 15 insiders with reported activity on this page.
  • Net insider value flow over the last year: -$9,102,064.
  • Recent transaction rows are available for direct filing-level review.

What Changed

  • Buy value: ; sell value: $9,102,064.
  • Net share flow: -713,234.

Why This Matters

  • This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
  • Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$9,102,064.

Buys

$0

Shares: 0

Insiders: 0

Sells

$9,102,064

Shares: 713,234

Insiders: 1

Net

-$9,102,064

Shares: -713,234

Insiders: -1

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 713,234 $0 $9,102,064 -$9,102,064

INNOVATIVE SOLUTIONS & SUPPORT INC executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Christopher Harborne 10%+ Owner $21,674,046 -$9,102,064 -30% Filing P/S 27 Jun 2025
Shahram Askarpour Chief Executive Officer, Director $14,967,051 Mixed 22 Feb 2026
Of Geoffrey S. M. Hedrick Estate 10%+ Owner $12,964,373 Mixed 09 Aug 2023
Jeffrey DiGiovanni Chief Financial Officer $2,600,772 Mixed 08 Apr 2026
Robert E. Mittelstaedt Jr. Former Director $973,054 Mixed 14 Jun 2022
Glen R. Bressner Director $809,787 Mixed 17 Apr 2025
Roger A. Carolin Director $502,456 Mixed 17 Apr 2025
Stephen L. Belland Director $183,652 Mixed 17 Apr 2025
Parizad Olver Director $146,529 Mixed 13 Apr 2024
Garry C. Dean Director $80,460 Mixed 17 Apr 2025
Winston J. Churchill Former Director $74,724 Mixed 13 Jun 2023
Denise L. Devine Director $53,208 Mixed 17 Apr 2025
Michael Linacre Chief Financial Officer $47,724 Mixed 21 Aug 2023
Richard A. Silfen Director Mixed 17 Feb 2026
Relland M. Winand Interim CFO Mixed 09 Nov 2023

Top shareholders of INNOVATIVE SOLUTIONS & SUPPORT INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Christopher Harborne
3/4/5
10%+ Owner
9.1%
1,583,411
$21,674,046 -$9,102,064 27 Jun 2025
Shahram Askarpour
3/4/5
Chief Executive Officer, Director
mixed-class rows
1,052,918
mixed-class rows
$14,967,051 22 Feb 2026
MARSHALL WACE, LLP
13F
Company
4.3%
754,488
$14,290,004 31 Dec 2025
13F
VANGUARD GROUP INC
13F
Company
4%
696,748
$13,196,407 31 Dec 2025
13F
Of Geoffrey S. M. Hedrick Estate
3/4/5
10%+ Owner
class O/S missing
1,652,207
$12,964,373 09 Aug 2023
MORGAN STANLEY
13F
Company
3.8%
671,528
$12,718,745 31 Dec 2025
13F
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.
13F
Company
3.4%
595,174
$11,272,596 31 Dec 2025
13F
WealthTrust Axiom LLC
13F
Company
2.2%
386,370
$7,317,853 31 Dec 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
2.2%
377,833
$7,158,327 31 Dec 2025
13F
BlackRock, Inc.
13F
Company
2%
343,761
$6,510,835 31 Dec 2025
13F
STIFEL FINANCIAL CORP
13F
Company
1.7%
291,945
$5,529,444 31 Dec 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
1.6%
280,579
$5,314,166 31 Dec 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
1.5%
269,093
$5,096,621 31 Dec 2025
13F
Palisades Investment Partners, LLC
13F
Company
1.4%
239,276
$4,531,887 31 Dec 2025
13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
1.3%
225,101
$4,263,413 31 Dec 2025
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
1.3%
221,745
$4,199,850 31 Dec 2025
13F
Kevin P. Gilboy
13D/G
3.8%
664,155
$3,798,967 $0 02 Dec 2024
JANE STREET GROUP, LLC
13F
Company
1%
173,622
$3,288,400 31 Dec 2025
13F
ISTHMUS PARTNERS, LLC
13F
Company
0.98%
170,995
$3,238,645 31 Dec 2025
13F
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
0.95%
165,084
$3,126,691 31 Dec 2025
13F
RAYMOND JAMES FINANCIAL INC
13F
Company
0.94%
163,520
$3,097,069 31 Dec 2025
13F
Ancora Advisors LLC
13F
Company
0.93%
161,800
$3,064,492 31 Dec 2025
13F
Man Group plc
13F
Company
0.89%
154,716
$2,930,321 31 Dec 2025
13F
Pekin Hardy Strauss, Inc.
13F
Company
0.8%
139,700
$2,645,918 31 Dec 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
0.8%
138,932
$2,632,246 31 Dec 2025
13F
Jeffrey DiGiovanni
3/4/5
Chief Financial Officer
mixed-class rows
206,139
mixed-class rows
$2,600,772 08 Apr 2026
Teton Advisors, LLC
13F
Company
0.75%
130,000
$2,462,200 31 Dec 2025
13F
GAMCO INVESTORS, INC. ET AL
13F
Company
0.73%
126,500
$2,395,910 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.68%
118,559
$2,245,508 31 Dec 2025
13F
GABELLI FUNDS LLC
13F
Company
0.63%
109,813
$2,079,858 31 Dec 2025
13F
LAZARD ASSET MANAGEMENT LLC
13F
Company
0.59%
102,619
$1,943,604 31 Dec 2025
13F
Mesirow Financial Investment Management, Inc.
13F
Company
0.52%
90,199
$1,708,368 31 Dec 2025
13F
UBS Group AG
13F
Company
0.5%
86,932
$1,646,492 31 Dec 2025
13F
Qube Research & Technologies Ltd
13F
Company
0.46%
80,975
$1,533,667 31 Dec 2025
13F
NEW YORK STATE COMMON RETIREMENT FUND
13F
Company
0.41%
71,180
$1,348,149 31 Dec 2025
13F
Hennion & Walsh Asset Management, Inc.
13F
Company
0.37%
64,599
$1,223,505 31 Dec 2025
13F
STATE STREET CORP
13F
Company
0.37%
64,193
$1,215,815 31 Dec 2025
13F
Russell Investments Group, Ltd.
13F
Company
0.35%
60,479
$1,145,471 31 Dec 2025
13F
Informed Momentum Co LLC
13F
Company
0.3%
51,581
$976,944 31 Dec 2025
13F
Robert E. Mittelstaedt Jr.
3/4/5
Former Director
class O/S missing
124,008
$973,054 14 Jun 2022
Point72 Asset Management, L.P.
13F
Company
0.28%
49,475
$937,057 31 Dec 2025
13F
HighTower Advisors, LLC
13F
Company
0.28%
49,167
$931,220 31 Dec 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
0.28%
48,138
$911,734 31 Dec 2025
13F
683 Capital Management, LLC
13F
Company
0.26%
45,000
$852,300 31 Dec 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.26%
44,630
$845,292 31 Dec 2025
13F
NORTHERN TRUST CORP
13F
Company
0.25%
43,748
$828,587 31 Dec 2025
13F
OMERS ADMINISTRATION Corp
13F
Company
0.25%
43,100
$816,314 31 Dec 2025
13F
Glen R. Bressner
3/4/5
Director
class O/S missing
141,737
$809,787 17 Apr 2025
XTX Topco Ltd
13F
Company
0.23%
40,166
$760,744 31 Dec 2025
13F
SEI INVESTMENTS CO
13F
Company
0.18%
31,399
$594,697 31 Dec 2025
13F

Recent Insider Transactions by Companies or Individuals for INNOVATIVE SOLUTIONS & SUPPORT INC

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Jeffrey DiGiovanni ISSC Common Stock Tax liability -0.86% -765 88,371 08 Apr 2026 Direct
Jeffrey DiGiovanni ISSC Common Stock Tax liability -1% -897 89,136 31 Mar 2026 Direct
Shahram Askarpour ISSC Common Stock Tax liability -0.58% -2,876 495,941 22 Feb 2026 Direct
Shahram Askarpour ISSC Common Stock Tax liability -0.72% -3,625 498,817 18 Feb 2026 Direct
Jeffrey DiGiovanni ISSC Common Stock Tax liability -2.36% -2,172 90,033 18 Feb 2026 Direct
Richard A. Silfen ISSC Restricted Stock Units Award 1,890 1,890 17 Feb 2026 Direct
Shahram Askarpour ISSC Restricted Stock Units Award 4.18% 20,171 502,442 17 Feb 2026 Direct
Shahram Askarpour ISSC Performance Stock Units Award 20,171 20,171 17 Feb 2026 Direct
Shahram Askarpour ISSC Non-Qualified Stock Option (Right to Buy) Award 34,364 34,364 17 Feb 2026 Direct
Jeffrey DiGiovanni ISSC Restricted Stock Units Award 11.4% 9,455 92,205 17 Feb 2026 Direct
Jeffrey DiGiovanni ISSC Performance Stock Units Award 9,455 9,455 17 Feb 2026 Direct
Jeffrey DiGiovanni ISSC Non-Qualified Stock Option (Right to Buy) Award 16,108 16,108 17 Feb 2026 Direct
Jeffrey DiGiovanni ISSC Common Stock Tax liability -1.04% -868 82,750 13 Jan 2026 Direct
Shahram Askarpour ISSC Common Stock Tax liability -0.44% -2,128 482,271 11 Jan 2026 Direct
Jeffrey DiGiovanni ISSC Common Stock Tax liability -1.18% -1,000 83,618 31 Dec 2025 Direct
Shahram Askarpour ISSC Common Stock Tax liability -15.4% -87,918 484,399 20 Nov 2025 Direct
Shahram Askarpour ISSC Common Stock Options Exercise 54.1% 201,000 572,317 20 Nov 2025 Direct
Shahram Askarpour ISSC Performance Stock Units Options Exercise -100% -201,000 0 20 Nov 2025 Direct
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -8.39% $1,984,912 $13.69 -145,009 1,583,411 30 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -4.03% $991,605 $13.68 -72,499 1,728,420 27 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -3.21% $788,213 $13.21 -59,667 1,800,919 26 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -4.65% $1,171,417 $12.92 -90,655 1,860,586 25 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -4.38% $1,117,246 $12.50 -89,414 1,951,241 23 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -1.54% $391,424 $12.25 -31,953 2,040,655 20 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -0.82% $211,117 $12.28 -17,198 2,072,608 18 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -1.03% $278,536 $12.77 -21,809 2,089,806 17 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -0.24% $60,217 $11.77 -5,116 2,111,615 11 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -0.02% $5,146 $11.75 -438 2,116,731 10 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -2.92% $749,247 $11.78 -63,592 2,117,169 09 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -1.6% $416,739 $11.76 -35,437 2,180,761 06 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -0.54% $140,844 $11.79 -11,944 2,216,198 05 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -1.94% $513,353 $11.67 -43,997 2,228,142 04 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -0.3% $77,814 $11.50 -6,766 2,272,139 03 Jun 2025 See Footnote
Christopher Harborne ISSC Common Stock, par value $0.001 per share Sale -0.77% $204,234 $11.51 -17,740 2,278,905 02 Jun 2025 See Footnote
Glen R. Bressner ISSC Restricted Stock Units Award 10.6% 13,536 141,737 17 Apr 2025 Direct
Denise L. Devine ISSC Restricted Stock Units Award 197% 13,536 20,407 17 Apr 2025 Direct
Garry C. Dean ISSC Restricted Stock Units Award 132% 13,536 23,790 17 Apr 2025 Direct
Roger Anthony Carolin ISSC Restricted Stock Units Award 21.1% 13,536 77,570 17 Apr 2025 Direct
Stephen L. Belland ISSC Restricted Stock Units Award 57.8% 13,536 36,941 17 Apr 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.