Transaction · 0001193125-26-395552

Kropotova Alexandra

Kropotova Alexandra, CMO, reported a transaction classified as withholding at SAB Biotherapeutics, Inc. involving 473.000000 shares. Reported holdings after the transaction were 41853.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCMO
SABSSAB Biotherapeutics, Inc.
Trade date
Sep 17, 2026
Filing date
Sep 18, 2026
View on SEC Insider profile
Disclosed valueUnknownShares × reported price
Shares traded473Price unknown
Holdings after41.8kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

SABS price since this filing

Daily closing prices, with the filing date and available return windows
SABS · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +2.4%1w ago +0.0%1d ago +0.0%
Returns since7d -11.1%30d -31.9%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001193125-26-395552
Common Stock
Transaction date
Sep 17, 2026
Filed Sep 18, 2026, 08:15 PM · 1d delay
Shares
473 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
41,853 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

-20 points

Compact filing score computed from stored Form 4 facts. Version v1.

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CHIEF MEDICAL OFFICER

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Represents shares of the Issuer's common stock ("Common Stock") withheld to statisfy tax withholding requirements on the vesting of the Issuer's restricked stock units ("RSUs").

  2. F2

    Includes 38,402 shares of Common Stock and 3,433 shares of Common Stock which remain subject to vesting of RSUs granted under the Issuer's 2021 Equity Incentive Plan, as amended.

  3. F3

    Each RSU represents a contingent right to receive one share of Common Stock.

Original filing · 0001193125-26-395552
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

SABS