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ISSUER PROFILE · CIK 0000040211 · CUSIP 361448103

GATX CORPGATX

1 13D/G filings 1 distinct filers 0 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
1
1 SCHEDULE
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
4.60
as of 2026-03-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2025-01-16 SCHEDULE GAMCO INVESTORS, INC. ET AL 3.70% 1,321,365 view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 945,018 4.60 +13.1%
2026-03-13 835,614 4.76 -1.9%
2026-02-27 851,479 3.08 -1.9%
2026-02-13 867,824 5.06 +8.6%
2026-01-30 799,278 3.33 -9.1%
2026-01-15 878,933 6.62 -1.0%
2025-12-31 887,441 5.48 -16.9%
2025-12-15 1,068,422 6.74 +21.3%

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