Company profile
BioAtla, Inc. Insider Trading
BCABEvery SEC Form 4 insider trading filing for BioAtla, Inc. (BCAB) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Biological Products, (No Diagnostic Substances)
- CIK
- 0001826892
- Filings
- 126
- Insiders
- 10
- Last filing
- 2026-05-31
Activity summary
No insider transactions in the last 30 days. The most recent was on May 31, 2026, when Sievers Eric sold 134 shares. 126 filings from 10 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q2 23 to Q2 26. BioAtla, Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $173K.
90 day insight
Over the last 90 days, BioAtla, Inc. insiders sold $2K across 3 transactions with no open-market purchases.
- Most active insider: Short Jay M PHD with 1 transaction totaling $1K.
- Largest single sale: $1K by Short Jay M PHD on May 31, 2026.
Activity skews bearish — sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 31, 2026 | Sievers Eric | BCAB | Tax Withholding | 134 | $3.93 | $527 |
| May 31, 2026 | Vasquez Christian | BCAB | Tax Withholding | 82 | $3.93 | $322 |
| May 31, 2026 | Short Jay M PHD | BCAB | Tax Withholding | 259 | $3.93 | $1K |
| Mar 12, 2026 | Short Jay M PHD | BCAB | Tax Withholding | 639 | $0.17 | $107 |
| Mar 11, 2026 | Vasquez Christian | BCAB | Tax Withholding | 175 | $0.17 | $30 |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=BCAB" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of BioAtla, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →