Mazumdar Claire

CIK 2034671 · Chief Executive Officer · last filed 2026-05-20

Mazumdar Claire is a Chief Executive Officer who has filed 11 SEC Form 4 insider transactions across 2 companies since 2025. The most recent filing, for BCAX, was dated May 20, 2026. Across all open-market trades the lifetime net is −$3.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $7.8M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$7.75M

Companies

2

Total Filings

11

Lifetime Open-Market Net

-$3.49M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
BCAX Chief Executive Officer 377,152 $20.56 $7.75M -$3.49M 10 2026-05-20
RLAY Director $14.09 $0 1 2025-06-11

Recent Filings

11 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-20 BCAX Mixed -$243.7K EDGAR
2026-04-20 BCAX Mixed +22,760 -$193.9K EDGAR
2026-03-20 BCAX Mixed -$225.5K EDGAR
2026-03-11 BCAX Mixed -$565.3K EDGAR
2026-03-06 BCAX Mixed -$123.1K EDGAR
2026-02-04 BCAX Grant (A) $0 EDGAR
2025-12-18 BCAX Exer (M) +29,500 $160.9K EDGAR
2025-11-25 BCAX Mixed -$620.4K EDGAR
2025-10-20 BCAX Mixed -$362.4K EDGAR
2025-10-15 BCAX Mixed -$373.2K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.