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Dunn Michael J.

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53429
SEC CIK
0001968792

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CompanyLast reported asReport datePublished
CalciMedica, Inc.CALC · Entity 7804President and COOApril 05, 2026April 08, 2026

Disclosed balances

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Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

CalciMedica, Inc.

Report date April 05, 2026 · Filed April 08, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Employee Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.59 · Expires 2036-04-04Direct65,124 Reported balance After 2025-04-05 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2025-04-05 · Grant · Acquired 65,124 · Balance 65,124

F1: Beginning April 1, 2026, 1/48th of the shares subject to the option vest in equal monthly installments over a four year period, provided, however, that no shares shall vest until the filing of the Company's registration statement on Form S-8 covering the shares of Common Stock that were automatically added to the shares authorized for issuance under the Company's 2023 Equity Incentive Plan on January 1, 2026 pursuant to an annual "evergreen" provision.

Filing footnotes · ownership attribution and instrument terms

F1: Beginning April 1, 2026, 1/48th of the shares subject to the option vest in equal monthly installments over a four year period, provided, however, that no shares shall vest until the filing of the Company's registration statement on Form S-8 covering the shares of Common Stock that were automatically added to the shares authorized for issuance under the Company's 2023 Equity Incentive Plan on January 1, 2026 pursuant to an annual "evergreen" provision.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
June 24, 2025 Filed Jun 26, 2025 22:27 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (Right to Buy) · Derivative 47,125 $0.00 Strike: $1.53 $0.00
Disclosure

SEC source: 0001415889-25-018306 · form4-06262025_100621.xml · derivative · entry 1

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,125

Underlying: Common Stock · 47,125 shares

Expires 2035-04-22

F1 · date: The option grant was approved by the Board of Directors of CalciMedica, Inc. (the "Company") on April 23, 2025, subject to stockholder approval of an amendment of the Company's 2023 Equity Incentive Plan (the "Amended 2023 EIP") under which the option was granted. The Company's stockholders approved the Amended 2023 EIP on June 24, 2025.

F2 · derivative.exercise_date: Immediately exercisable.

Read SEC document
April 23, 2025 Filed Apr 25, 2025 20:33 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (Right to Buy) · Derivative 125,000 $0.00 Strike: $1.53 $0.00
Disclosure

SEC source: 0001415889-25-011361 · form4-04252025_080404.xml · derivative · entry 1

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Common Stock · 125,000 shares

Expires 2035-04-22

F1 · derivative.exercise_date: Beginning March 26, 2025, 1/48th of the shares subject to the option vest in equal monthly installments over a four year period.

Read SEC document
April 05, 2025 Filed Apr 8, 2026 01:50 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (Right to Buy) · Derivative 65,124 $0.00 Strike: $0.59 $0.00
Disclosure

SEC source: 0001968792-26-000002 · form4-04072026_090405.xml · derivative · entry 1

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,124

Underlying: Common Stock · 65,124 shares

Expires 2036-04-04

F1 · derivative.exercise_date: Beginning April 1, 2026, 1/48th of the shares subject to the option vest in equal monthly installments over a four year period, provided, however, that no shares shall vest until the filing of the Company's registration statement on Form S-8 covering the shares of Common Stock that were automatically added to the shares authorized for issuance under the Company's 2023 Equity Incentive Plan on January 1, 2026 pursuant to an annual "evergreen" provision.

Read SEC document
September 09, 2024 Filed Sep 11, 2024 21:00 UTC CalciMedica, Inc. CALC · Entity 7804 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 11,761 Not disclosed Strike: $1.39 Not disclosed
Disclosure

SEC source: 0001415889-24-023226 · form4-09112024_050902.xml · derivative · entry 2

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,761 shares

Expires 2024-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Received in exchange for a stock option to acquire 408,402 shares of common stock of CalciMedica, Inc. ("CalciMedica") pursuant to an Agreement and Plan of Merger and Reorganization (the "Merger Agreement") by and among CalciMedica, the Issuer (formerly known as Graybug Vision, Inc.) and Camaro Merger Sub, Inc., a wholly-owned subsidiary of the Issuer ("Merger Sub"). Under the terms of the Merger Agreement, on March 20, 2023, Merger Sub merged with and into CalciMedica (the "Merger"), with CalciMedica surviving the Merger as a wholly-owned subsidiary of the Issuer. Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock. Subsequent to the Merger, the name of the Issuer was changed from Graybug Vision, Inc. to CalciMedica, Inc.

F1 · derivative.exercise_date: Immediately exercisable.

Read SEC document
September 09, 2024 Filed Sep 11, 2024 21:00 UTC CalciMedica, Inc. CALC · Entity 7804 Exercise / conversionCommon Stock 11,761 $1.39 $16,347.79
Disclosure

SEC source: 0001415889-24-023226 · form4-09112024_050902.xml · nonDerivative · entry 1

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,761

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 27, 2024 Filed Aug 28, 2024 23:11 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (Right to Buy) · Derivative 62,500 $0.00 Strike: $4.16 $0.00
Disclosure

SEC source: 0001415889-24-022504 · form4-08282024_110824.xml · derivative · entry 1

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,500

Underlying: Common Stock · 62,500 shares

Expires 2034-08-26

F1 · derivative.exercise_date: 1/48th of the shares subject to the option vest in equal monthly installments over a four year period following March 28, 2024.

Read SEC document
March 28, 2024 Filed Apr 23, 2024 01:40 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (Right to Buy) · Derivative 62,500 $0.00 Strike: $4.16 $0.00
Disclosure

SEC source: 0001415889-24-011349 · form4-04232024_010442.xml · derivative · entry 1

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,500

Underlying: Common Stock · 62,500 shares

Expires 2034-03-27

F1 · derivative.exercise_date: 1/48th of the shares subject to the option vest in equal monthly installments over a four year period following the date of grant.

Read SEC document
May 08, 2023 Filed May 10, 2023 22:19 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (Right to Buy) · Derivative 55,190 $0.00 Strike: $3.25 $0.00
Disclosure

SEC source: 0001209191-23-028550 · doc4.xml · derivative · entry 1

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,190

Underlying: Common Stock · 55,190 shares

Expires 2033-05-07

F1 · derivative.exercise_date: 1/48th of the shares subject to the option vest in equal monthly installments over a four year period following the date of grant.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 847 Not disclosed Strike: $17.34 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 11

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 847

Underlying: Common Stock · 847 shares

Expires 2023-03-19

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F16 · price: Received in exchange for a stock option to acquire 29,420 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F14 · derivative.exercise_date: Beginning on November 22, 2022, the shares subject to the option vest in a series of forty-eight (48) successive equal monthly installments.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 24,747 Not disclosed Strike: $17.34 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 10

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,747

Underlying: Common Stock · 24,747 shares

Expires 2033-03-19

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F15 · price: Received in exchange for a stock option to acquire 859,280 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F14 · derivative.exercise_date: Beginning on November 22, 2022, the shares subject to the option vest in a series of forty-eight (48) successive equal monthly installments.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 1,954 Not disclosed Strike: $10.42 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 9

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,954

Underlying: Common Stock · 1,954 shares

Expires 2032-08-30

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F13 · price: Received in exchange for a stock option to acquire 67,873 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F1 · derivative.exercise_date: Immediately exercisable.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 1,323 Not disclosed Strike: $10.42 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 8

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,323

Underlying: Common Stock · 1,323 shares

Expires 2032-08-30

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F12 · price: Received in exchange for a stock option to acquire 45,955 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F1 · derivative.exercise_date: Immediately exercisable.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 7,915 Not disclosed Strike: $7.99 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 7

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,915

Underlying: Common Stock · 7,915 shares

Expires 2031-06-30

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F10 · price: Received in exchange for a stock option to acquire 274,848 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F9 · derivative.exercise_date: Beginning on February 22, 2021, the shares subject to the option vest in a series of forty-eight (48) successive equal monthly installments.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 13,147 Not disclosed Strike: $7.99 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 6

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,147

Underlying: Common Stock · 13,147 shares

Expires 2031-04-27

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F11 · price: Received in exchange for a stock option to acquire 456,522 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F1 · derivative.exercise_date: Immediately exercisable.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 7,915 Not disclosed Strike: $7.99 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 5

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,915

Underlying: Common Stock · 7,915 shares

Expires 2031-04-27

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F10 · price: Received in exchange for a stock option to acquire 274,848 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F9 · derivative.exercise_date: Beginning on February 22, 2021, the shares subject to the option vest in a series of forty-eight (48) successive equal monthly installments.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 23,589 Not disclosed Strike: $6.60 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 4

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,589

Underlying: Common Stock · 23,589 shares

Expires 2030-06-29

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F8 · price: Received in exchange for a stock option to acquire 819,064 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F7 · derivative.exercise_date: 25% of the shares subject to the option vested on June 30, 2020 and the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments thereafter.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 8,640 Not disclosed Strike: $2.44 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 3

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,640

Underlying: Common Stock · 8,640 shares

Expires 2029-04-24

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F6 · price: Received in exchange for a stock option to acquire 300,000 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F5 · derivative.exercise_date: 25% of the shares subject to the option vested on April 30, 2020 and the balance of the shares vest in a series of thirty-six (36) successive equal monthly installments thereafter.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 22,777 Not disclosed Strike: $2.44 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 2

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,777

Underlying: Common Stock · 22,777 shares

Expires 2028-08-01

F3 · price: Received in exchange for a stock option to acquire 790,880 shares of common stock of CalciMedica pursuant to the Merger Agreement.

F4 · price: Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F1 · derivative.exercise_date: Immediately exercisable.

Read SEC document
March 20, 2023 Filed Mar 23, 2023 00:47 UTC CalciMedica, Inc. CALC · Entity 7804 GrantEmployee Stock Option (right to buy) · Derivative 11,761 Not disclosed Strike: $1.39 Not disclosed
Disclosure

SEC source: 0001209191-23-020677 · doc4.xml · derivative · entry 1

Dunn Michael J. · CIK 0001968792 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,761

Underlying: Common Stock · 11,761 shares

Expires 2024-10-01

F2 · price: Received in exchange for a stock option to acquire 408,402 shares of common stock of CalciMedica, Inc. ("CalciMedica") pursuant to an Agreement and Plan of Merger and Reorganization (the "Merger Agreement") by and among CalciMedica, the Issuer and Camaro Merger Sub, Inc., a wholly-owned subsidiary of the Issuer ("Merger Sub"). Under the terms of the Merger Agreement, on March 20, 2023, Merger Sub merged with and into CalciMedica (the "Merger"), with CalciMedica surviving the Merger as a wholly-owned subsidiary of the Issuer. Upon the closing of the Merger, each outstanding option to purchase shares of CalciMedica common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock. Subsequent to the Merger, the name of the Issuer was changed from Graybug Vision, Inc. to CalciMedica, Inc.

F1 · derivative.exercise_date: Immediately exercisable.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.