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ISSUER PROFILE · CIK 0001436126 · CUSIP 60649T107

Mistras Group, Inc.MG

4 13D/G filings 2 distinct filers 3 insider transactions (365d)

Post-Filing Returns · across 3 activist filings on this issuer

Median 30d
0.0%
avg -0.7%
Median 60d
0.0%
avg 0.0%
Median 90d
-3.2%
avg -3.2%
Median 180d
0.0%
avg 0.0%

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
4
3 SCHEDULE 13D/A · 1 SCHEDULE
Distinct filers
2
multi-activist cluster
Insiders (365d)
3
1 buys · 0 sales
Latest short DTC
4.42
as of 2026-08-31

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $13.66M
Elliott Investment Mgmt

13D/G Filings Timeline · 4 total

FiledFormFilerStakeSharesIntent
2026-09-14 SCHEDULE 13D/A Foglia Stephanie Athena 17.40% 5,532,313 view →
2026-06-12 SCHEDULE 13D/A Foglia Stephanie Athena 18.60% 5,917,135 view →
2026-06-04 SCHEDULE 13D/A Foglia Stephanie Athena 6,329,010 view →
2025-03-10 SCHEDULE Mill Road Capital III, L.P. 5.70% 1,763,304 view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-09-10 Vahaviolos Aspasia Felice 10%+ Gift 387,093
2026-09-10 Foglia Stephanie Athena 10%+ Gift 387,093
2026-05-19 PIZZI CHARLES P director Award 6,862

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-08-31 1,097,996 4.42 -5.6%
2026-08-14 1,162,719 5.30 -4.0%
2026-07-31 1,210,654 7.77 -1.2%
2026-07-15 1,225,327 6.80 +29.2%
2026-06-30 948,532 2.89 +40.3%
2026-06-15 676,268 4.39 +10.9%
2026-05-29 609,761 3.72 +17.1%
2026-05-15 520,653 2.37 +7.9%
2026-04-30 482,492 2.84 -6.3%
2026-04-15 514,771 4.04 -7.5%
2026-03-31 556,441 3.59 -7.3%
2026-03-13 600,027 2.88 +12.2%

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