Transaction · 0001193125-26-259689

Sievers Eric

Sievers Eric, CMO, reported a transaction classified as withholding at BioAtla, Inc. involving 134.000000 shares for an estimated $526.62. Reported holdings after the transaction were 11840.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCMO
BCABBioAtla, Inc.
Filing timeJun 05
Trade dateMay 31, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
—
Pre-filing
1mo ago1w ago1d ago
Returns since
7d30d90d180d1y

BCAB price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
BCAB since 2026-06-05Filed 91 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001193125-26-259689
Common Stock
Transaction date
May 31, 2026
Filed Jun 05, 2026, 08:30 PM · 5d delay
Shares
134 sh
$393 per share
Estimated value
-$52.6k
Computed from shares × price
Holdings after
11.8k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
-16score
Filing-only score

-16

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

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

    This transaction is not a sale of shares by the Reporting Person. Instead, this represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligat…

  2. F2

    Effective on April 6, 2026, the Issuer effected a 50-for-1 share consolidation of its common stock (the "Share Consolidation"). The amount of securities reported on this Form 4 has been adjusted to re…

Original filing · 0001193125-26-259689
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