Skip to main content
Signal8
Knechtel Fred S. profile photo

Fred S. Knechtel

CIK: 0001564260

Transaction Breakdown

Open Market Buys (P)1 (20.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)4 (80.0%)

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

Companies & Roles (1)

Profusa, Inc. logo
PFSA

Profusa, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

  • Profusa, Inc. logo
    PFSA

    Profusa, Inc.

    Aug 21, 2026
    Other(J)
    Direct
    54.3K shares-
  • Profusa, Inc. logo
    PFSA

    Profusa, Inc.

    Aug 21, 2026
    Other(J)
    Indirect
    302K shares-
  • Profusa, Inc. logo
    PFSA

    Profusa, Inc.

    Aug 12, 2026
    Conversion(C)
    Indirect
    302K shares at avg. $4.28$1.3M
  • Profusa, Inc. logo
    PFSA

    Profusa, Inc.

    May 4, 2026
    Purchase(P)

    Convertible Promissory Note

    Indirect
    0 shares at avg. $1869796.00-
  • Profusa, Inc. logo
    PFSA

    Profusa, Inc.

    Jan 26, 2026
    Other(J)
    Direct
    819K shares-

1-5 of 5

About Knechtel Fred S.

Knechtel Fred S. (SEC CIK 0001564260) files insider reports with the SEC as Chief Financial Officer of Profusa, Inc. (PFSA).

Signal8 holds 4 ownership filings by Knechtel Fred S., all Form 4s, filed between Feb 2, 2026 and Sep 4, 2026. Those filings report 5 transactions, from Jan 26, 2026 to Aug 21, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Knechtel Fred S.'s filings is in BERKELEY, CA.

Recent filings by Knechtel Fred S.

  • Aug 21, 2026: Other transactions of PFSA shares (2 lines, Form 4, code J).
  • Aug 12, 2026: Conversion of PFSA shares (Form 4, code C).
  • May 4, 2026: Open-market purchase of PFSA derivative securities (Form 4, code P).
  • Jan 26, 2026: Other transaction of PFSA shares (Form 4, code J).

Other insiders filing for Profusa, Inc. (PFSA)

How to read Form 4 transaction codes