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SCHEDULE 13D/A Filed 2026-06-05 Event 2026-06-05 SEC 0001193125-26-259859 →

Heritage Group → Calumet, Inc. CLMT

Stake: 16.56% Shares: 14,523,185 CUSIP: 131428104 Class: Common Stock, par value $0.01 per share
Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 36/100
  • Active Schedule 13D filer baseline
  • High conviction ownership stake (16.6%)
  • 8 NPORT-P mutual funds holding CUSIP
  • Moderate short days-to-cover (3.1 DTC)
  • Short interest building (+21.3% vs prior settlement)

Item 4 — Purpose of Transaction

Item 4 of the 2024 Schedule 13D is hereby amended to incorporate the following at the end thereof: As previously reported and in connection with the July 2024 restructuring, the Reporting Person received warrants to acquire 1,020,000 shares of Common Stock at an exercise price of $20.00 per share (the "Heritage Warrants"). On May 15, 2026, the Reporting Person exercised the Heritage Warrants in full, receiving 393,002 shares of Common Stock in net settlement thereof resulting in a decrease in beneficial ownership of 626,998 shares of Common Stock. On June 5, 2026, the General Partner Trustees approved a gift of 540,000 shares of Common Stock (the "Gift") directly held by the Reporting Person.

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
1 13D/G filings on this issuer
0 other filings besides this one
Filer Track Record
2 filings by this filer
1 other filing in the data moat
Short Interest · settle 2026-10-15
DTC 3.15
4,346,405 shares short · +21.3% vs prior

Post-Filing Returns · since 2026-06-05 on CLMT

+1 day
+0.9%
+5 days
-1.5%
+30 days
+4.8%
+60 days
—
+90 days
—
+180 days
—

Anchor price 35.17 on closest trading day on/after 2026-06-05. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other Filings by Heritage Group

FiledFormIssuerStakeShares
2019-04-18 SC Calumet Specialty Products Partners, L.P. — — view →

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