Insider Transactions Reported by 11 Insiders of Diameter Credit Co

Location
New York, NY

Key facts

  • Diameter Credit Co has 11 insiders with reported activity on this page.
  • Net insider value flow over the last year: +$127,736,002.
  • Recent transaction rows are available for direct filing-level review.

Change

  • Buy value: $127,736,002; sell value: $0.
  • Net share flow: +4,639,521.

Research use

  • 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.

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 buying over the last 12 months. Net value: +$127,736,002.

Buys

$127,736,002

Shares: 4,639,521

Insiders: 5

Sells

$0

Shares: 0

Insiders: 0

Net

+$127,736,002

Shares: +4,639,521

Insiders: 5

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 40,052 0 $1,119,999 $0 +$1,119,999
3-6 0 0 $0 $0 $0
6-9 2,970,400 0 $81,927,998 $0 +$81,927,998
9-12 1,629,068 0 $44,688,005 $0 +$44,688,005

Diameter Credit Co executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Apollo Principal Holdings B, L.P. 10%+ Owner $288,893,373 +$119,000,003 +70% Mixed 02 Mar 2026
Jonathan Lewinsohn Director $17,953,970 +$7,897,499 +79% Filing P/S 02 Mar 2026
Joseph Alexander Carvalho Co-Chief Executive Officer, Director $883,256 +$390,000 +79% Filing P/S 02 Mar 2026
Benjamin David Pasternack Co-Chief Executive Officer $883,256 +$390,000 +79% Filing P/S 02 Mar 2026
Vishal Sheth Chief Financial Officer $147,062 +$58,500 +66% Filing P/S 02 Mar 2026
Michael Joshua Cohn General Counsel and Chief Compliance Officer Mixed 01 Aug 2024
Steven Bossi Director Mixed 15 Apr 2024
Daniel Max Kasell Director Mixed 13 Feb 2024
ICONIQ Capital, LLC 10%+ Owner Mixed 13 Feb 2024
Wurtz Amanda Richman Director Mixed 13 Feb 2024
Shailini Rao General Counsel and Chief Compliance Officer Mixed 13 Feb 2024

Top shareholders of Diameter Credit Co (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 first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings 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
APO Corp.
13D/G
—
20%
8,547,379
 — $0 17 Sep 2025
13D/G
ICONIQ Capital, LLC
13D/G 3/4/5
10%+ Owner
5.9%
3,003,806
 — $0 31 Dec 2025
13D/G 3/4/5
Banco BTG Pactual S.A.
13D/G
BTGP Boreas Fund LP - Series A
5.8%
2,971,799
 — $0 31 Dec 2025
13D/G
Exor N.V.
13F
Company
617%
182,543,970
 $5,001,704,778 — 31 Mar 2026
13F
ORBIMED ADVISORS LLC
13F
Company
21%
6,210,899
 $22,079,801 — 31 Mar 2026
13F
Strategic Investment Solutions, Inc. /IL
13F
Company
0%
127
 $29,157 — 31 Mar 2026
13F
Apollo Principal Holdings B, L.P.
3/4/5
10%+ Owner —
class O/S missing
11,080,958
 $288,893,373 +$119,000,003 02 Mar 2026
3/4/5
Jonathan Lewinsohn
3/4/5
Director —
class O/S missing
642,050
 $17,953,970 +$7,897,499 02 Mar 2026
3/4/5
Benjamin David Pasternack
3/4/5
Co-Chief Executive Officer —
class O/S missing
31,586
 $883,256 +$390,000 02 Mar 2026
3/4/5
Joseph Alexander Carvalho
3/4/5
Co-Chief Executive Officer, Director —
class O/S missing
31,586
 $883,256 +$390,000 02 Mar 2026
3/4/5
Vishal Sheth
3/4/5
Chief Financial Officer —
class O/S missing
5,259
 $147,062 +$58,500 02 Mar 2026
3/4/5

Recent Insider Transactions by Companies or Individuals for Diameter Credit Co

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

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Apollo Principal Holdings B, L.P. Common shares of beneficial interest Purchase 5.99% 625,816 11,080,958 02 Mar 2026 See Footnote
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 5.95% $500,000 $27.96 17,880 318,261 02 Mar 2026 By Diameter Principal Finance LLC
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 6% $512,500 $27.96 18,327 323,789 02 Mar 2026 Direct
Benjamin David Pasternack Common shares of beneficial interest, par value $0.001 Purchase 6% $50,000 $27.96 1,788 31,586 02 Mar 2026 Direct
Joseph Alexander Carvalho Common shares of beneficial interest, par value $0.001 Purchase 6% $50,000 $27.96 1,788 31,586 02 Mar 2026 Direct
Vishal Sheth Common shares of beneficial interest, par value $0.001 Purchase 5.37% $7,500 $27.96 268 5,259 02 Mar 2026 Direct
Apollo Principal Holdings B, L.P. Common shares of beneficial interest Purchase 10.7% $28,000,050 $27.63 1,013,331 10,455,143 14 Nov 2025 See Footnote
Joseph Alexander Carvalho Common shares of beneficial interest, par value $0.001 Purchase 10.8% $80,000 $27.63 2,895 29,798 14 Nov 2025 Direct
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 10.7% $800,002 $27.63 28,952 300,381 14 Nov 2025 By Diameter Principal Finance LLC
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 10.8% $820,001 $27.63 29,676 305,462 14 Nov 2025 Direct
Benjamin David Pasternack Common shares of beneficial interest, par value $0.001 Purchase 10.8% $80,000 $27.63 2,895 29,798 14 Nov 2025 Direct
Vishal Sheth Common shares of beneficial interest, par value $0.001 Purchase 9.79% $12,000 $27.63 434 4,870 14 Nov 2025 Direct
Apollo Principal Holdings B, L.P. Common shares of beneficial interest Purchase 10.5% $24,499,956 $27.39 894,433 9,441,812 20 Oct 2025 See Footnote
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 10.4% $699,999 $27.39 25,555 271,428 20 Oct 2025 By Diameter Principal Finance LLC
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 10.5% $717,499 $27.39 26,194 275,786 20 Oct 2025 Direct
Vishal Sheth Common shares of beneficial interest, par value $0.001 Purchase 9.68% $10,500 $27.39 383 4,345 20 Oct 2025 Direct
Joseph Alexander Carvalho Common shares of beneficial interest, par value $0.001 Purchase 10.5% $70,000 $27.39 2,556 26,903 20 Oct 2025 Direct
Benjamin David Pasternack Common shares of beneficial interest, par value $0.001 Purchase 10.5% $70,000 $27.39 2,556 26,903 20 Oct 2025 Direct
Vishal Sheth Common shares of beneficial interest, par value $0.001 Purchase 10.6% $10,500 $27.72 379 3,962 17 Sep 2025 Direct
Apollo Principal Holdings B, L.P. Common shares of beneficial interest Purchase 11.5% $24,499,992 $27.72 883,966 8,547,379 17 Sep 2025 See Footnote
Benjamin David Pasternack Common shares of beneficial interest, par value $0.001 Purchase 11.6% $70,000 $27.72 2,526 24,347 17 Sep 2025 Direct
Joseph Alexander Carvalho Common shares of beneficial interest, par value $0.001 Purchase 11.6% $70,000 $27.72 2,526 24,347 17 Sep 2025 Direct
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 11.4% $700,000 $27.72 25,256 245,873 17 Sep 2025 By Diameter Principal Finance LLC
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 11.6% $717,500 $27.72 25,888 249,592 17 Sep 2025 Direct
Apollo Principal Holdings B, L.P. Common shares of beneficial interest Purchase 11.2% $21,000,036 $27.32 768,708 7,663,413 28 Jul 2025 See Footnote
Joseph Alexander Carvalho Common shares of beneficial interest, par value $0.001 Purchase 11.2% $60,000 $27.32 2,196 21,822 28 Jul 2025 Direct
Benjamin David Pasternack Common shares of beneficial interest, par value $0.001 Purchase 11.2% $60,000 $27.32 2,196 21,822 28 Jul 2025 Direct
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 11.1% $600,001 $27.32 21,963 220,617 28 Jul 2025 By Diameter Principal Finance LLC
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 11.2% $615,001 $27.32 22,512 223,704 28 Jul 2025 Direct
Vishal Sheth Common shares of beneficial interest, par value $0.001 Purchase 10.4% $9,000 $27.32 329 3,509 28 Jul 2025 Direct
Apollo Principal Holdings B, L.P. Common shares of beneficial interest Purchase 12.4% $20,999,969 $27.55 762,371 6,894,705 09 Jun 2025 See Footnote
Joseph Alexander Carvalho Common shares of beneficial interest, par value $0.001 Purchase 12.5% $60,000 $27.55 2,178 19,625 09 Jun 2025 Direct
Vishal Sheth Common shares of beneficial interest, par value $0.001 Purchase 11.4% $9,000 $27.55 327 3,180 09 Jun 2025 Direct
Benjamin David Pasternack Common shares of beneficial interest, par value $0.001 Purchase 12.5% $60,000 $27.55 2,178 19,625 09 Jun 2025 Direct
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 12.3% $599,999 $27.55 21,782 198,654 09 Jun 2025 By Diameter Principal Finance LLC
Jonathan Lewinsohn Common shares of beneficial interest, par value $0.001 Purchase 12.5% $614,999 $27.55 22,327 201,192 09 Jun 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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