Fred A. Middleton - 25 Jun 2026 Form 4 Insider Report for CalciMedica, Inc. (CALC)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: CALC
Reported as of: 25 Jun 2026
Net transaction value: +$199,999
SEC form: 4
Accepted by SEC: 29 Jun 2026, 08:45:12 UTC
Prior SEC filing: 26 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ John Dunn, Attorney-in-Fact

Key filing fact

Fred A. Middleton filed Form 4 for CalciMedica, Inc. (CALC) on 29 Jun 2026.

Key facts

This page summarizes Fred A. Middleton's Form 4 filing for CalciMedica, Inc. (CALC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 29 Jun 2026, 08:45.

Change

Previous filing in this sequence was filed on 26 Jun 2025.
Current net transaction value: +$199,999.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001267959 Primary reporting owner

MIDDLETON FRED A

Relationship: Director, 10%+ Owner
Address: C/O CALCIMEDICA, INC., 505 COAST BLVD. S. #307, LA JOLLA
Signature: /s/ John Dunn, Attorney-in-Fact
Signature date: 29 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CALC transaction

Common Stock

Purchase

Transaction value: $199,999
Shares: +248,972
Change %: +31%
Price: $0.8033
Shares after: 1,063,272
Date: 25 Jun 2026
Ownership: By Sanderling Venture Partners VI Co-Investment Fund, L.P.
Footnotes: F1, F2

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 946,744
Date: 25 Jun 2026
Ownership: By Sanderling Venture Partners VI, LP
Footnotes: F3

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 22,479
Date: 25 Jun 2026
Ownership: By Sanderling Ventures Management VI
Footnotes: F3

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,456
Date: 25 Jun 2026
Ownership: By Sanderling VI Beteligungs GmbH & Co KG
Footnotes: F3

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 8,884
Date: 25 Jun 2026
Ownership: By Sanderling VI Limited Partnership
Footnotes: F3

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 435,148
Date: 25 Jun 2026
Ownership: By Sanderling Ventures VII, L.P.
Footnotes: F4

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 114,260
Date: 25 Jun 2026
Ownership: By Sanderling Ventures VII (Canada), L.P.
Footnotes: F5

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 27,609
Date: 25 Jun 2026
Ownership: By Sanderling Ventures VII Annex Fund, L.P.
Footnotes: F5

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 30,292
Date: 25 Jun 2026
Ownership: By Sanderling Ventures Management VII
Footnotes: F5

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 8,176
Date: 25 Jun 2026
Ownership: By Golden Triangle Ventures, LLC
Footnotes: F6

CALC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 36,514
Date: 25 Jun 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

The securities were acquired from the Issuer pursuant to a Securities Purchase Agreement dated June 23, 2026, with a closing date of June 25, 2026. The Securities Purchase Agreement and the issuance of the securities thereunder was approved by an independent committee of the Issuer's Board of Directors.

Footnote F2

The Reporting Person, a director of Sanderling Ventures, may be deemed to beneficially own the securities of the Issuer held by Sanderling Venture Partners VI Co-Investment Fund, LP ("SVP VI Co-Investment, LP", together with Sanderling Venture Partners VI, LP., Sanderling VI Beteiligungs GmbH & Co. KG, Sanderling Ventures Management VI and Sanderling VI Limited Partnership (the "Sanderling VI Securities"). The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Footnote F3

The Reporting Person, a director of Sanderling Ventures, may be deemed to beneficially own the Sanderling VI Securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Footnote F4

The Reporting Person, a director of Sanderling Ventures, may be deemed to beneficially own the securities of the Issuer held by Sanderling Ventures VII, LP ("SVP VII, LP", together with Sanderling Ventures Management VII, Sanderling Ventures VII (Canada), L.P. and Sanderling Ventures VII Annex Fund, L.P., the "Sanderling VII Securities"). The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Footnote F5

The Reporting Person, a director of Sanderling Ventures, may be deemed to beneficially own the Sanderling VII Securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Footnote F6

The Reporting Person is a managing member of Golden Triangle Ventures LLC and may be deemed to beneficially own the securities of the Issuer held by Golden Triangle Ventures LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .