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Horning Sandra profile photo

Sandra Horning

CIK: 0001638709

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (18.2%)

Derivative conversions

Awards (A)9 (81.8%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (4)

Revolution Medicines, Inc. logo
RVMD

Revolution Medicines, Inc.

Director
Olema Pharmaceuticals, Inc. logo
OLMA

Olema Pharmaceuticals, Inc.

Director
Moderna, Inc. logo
MRNA

Moderna, Inc.

Director
GILEAD SCIENCES, INC. logo
GILD

GILEAD SCIENCES, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (11 total)

  • Revolution Medicines, Inc. logo
    RVMD

    Revolution Medicines, Inc.

    Jun 18, 2026
    Award(A)
    Direct
    1.2K shares-
  • Olema Pharmaceuticals, Inc. logo
    OLMA

    Olema Pharmaceuticals, Inc.

    Jun 18, 2026
    Award(A)

    Stock Option (right to buy)

    Direct
    29.5K shares-
  • Moderna, Inc. logo
    MRNA

    Moderna, Inc.

    May 6, 2026
    Award(A)

    Restricted Stock Units

    Direct
    2.1K shares-
  • Moderna, Inc. logo
    MRNA

    Moderna, Inc.

    May 6, 2026
    Award(A)

    Stock Option (Right to Buy)

    Direct
    9.7K shares-
  • Moderna, Inc. logo
    MRNA

    Moderna, Inc.

    Apr 30, 2026
    Exercise(M)
    Direct
    16.2K shares-
  • GILEAD SCIENCES, INC. logo
    GILD

    GILEAD SCIENCES, INC.

    Apr 30, 2026
    Award(A)
    Direct
    1.1K shares-
  • Revolution Medicines, Inc. logo
    RVMD

    Revolution Medicines, Inc.

    Jun 26, 2025
    Award(A)
    Direct
    3.1K shares-
  • Olema Pharmaceuticals, Inc. logo
    OLMA

    Olema Pharmaceuticals, Inc.

    Jun 11, 2025
    Award(A)

    Stock Option (right to buy)

    Direct
    24.2K shares-
  • GILEAD SCIENCES, INC. logo
    GILD

    GILEAD SCIENCES, INC.

    May 7, 2025
    Award(A)
    Direct
    1.5K shares-
  • Moderna, Inc. logo
    MRNA

    Moderna, Inc.

    Apr 30, 2025
    Award(A)

    Restricted Stock Units

    Direct
    16.2K shares-
  • Moderna, Inc. logo
    MRNA

    Moderna, Inc.

    Apr 30, 2025
    Exercise(M)
    Direct
    979 shares-

1-11 of 11

About Horning Sandra

Horning Sandra (SEC CIK 0001638709) files insider reports with the SEC as Director of Revolution Medicines, Inc. (RVMD), Director of Olema Pharmaceuticals, Inc. (OLMA) and Director of Moderna, Inc. (MRNA). Signal8 also holds filings tied to 1 other company.

Signal8 holds 9 ownership filings by Horning Sandra, all Form 4s, filed between May 1, 2025 and Jun 23, 2026. Those filings report 11 transactions, from Apr 30, 2025 to Jun 18, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Horning Sandra's filings is in SAN FRANCISCO, CA.

Recent filings by Horning Sandra

  • Jun 18, 2026: Grant or award of RVMD shares (Form 4, code A).
  • Jun 18, 2026: Grant or award of OLMA derivative securities (Form 4, code A).
  • May 6, 2026: Grants or awards of MRNA derivative securities (2 lines, Form 4, code A).
  • Apr 30, 2026: Option exercise of MRNA shares (Form 4, code M).
  • Apr 30, 2026: Grant or award of GILD shares (Form 4, code A).

Other insiders filing for Revolution Medicines, Inc. (RVMD)

How to read Form 4 transaction codes