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ISSUER PROFILE · CIK 0000836690 · CUSIP 45769N105

INNOVATIVE SOLUTIONS & SUPPORT INCISSC

5 13D/G filings 3 distinct filers 1 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
avg —
Median 60d
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Median 90d
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Median 180d
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Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
5
1 SCHEDULE · 4 SC
Distinct filers
3
multi-activist cluster
Insiders (365d)
1
1 buys · 0 sales
Latest short DTC
1.00
as of 2026-05-29

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $937K
Point72 Asset Mgmt

13D/G Filings Timeline · 5 total

FiledFormFilerStakeSharesIntent
2025-01-27 SCHEDULE Harborne Christopher 13.80% 2,424,857 view →
2024-02-26 SC Estate of Geoffrey S. M. Hedrick view →
2023-08-11 SC Estate of Geoffrey S. M. Hedrick view →
2022-09-23 SC Harborne Christopher view →
2019-07-09 SC PESSIN NORMAN H view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-04-16 Dean Garry C. director Award 5,618

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 366,262 1.00 -8.1%
2026-05-15 398,347 1.00 -3.9%
2026-04-30 414,616 1.00 -40.1%
2026-04-15 691,727 1.27 +37.9%
2026-03-31 501,688 1.00 -39.9%
2026-03-13 834,320 1.00 +26.4%
2026-02-27 660,079 1.50 +25.2%
2026-02-13 527,361 1.35 -16.1%
2026-01-30 628,971 1.41 -13.4%
2026-01-15 725,972 1.00 +29.5%
2025-12-31 560,568 1.00 -2.2%
2025-12-15 573,033 2.33 -9.4%

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