Insider Profile · SEC Form 4 Activity · Trailing 90 Days

Burow Kristina

Over the trailing 90 days, Burow Kristina (Other at Kardigan, Inc.) traded $40.0M of stock (net buying $39.6M) across 5 companies, per 18 SEC Form 4 transactions.

Role: Other
Companies: KARD SPTX SRRK BOLD NMRA
Window: Trailing 90 days · 18 transactions · CIK 1569248
Net activity: +$39.6M ($39.8M bought · $204K sold)
Source: Official filings on sec.gov ↗

By Company (Trailing 90 Days)

Symbol	Company	Txns	Bought	Sold	Net
KARD	Kardigan, Inc.	5	$20.0M	—	$20.0M
SPTX	Seaport Therapeutics, Inc.	5	$19.8M	—	$19.8M
SRRK	Scholar Rock Holding Corp	4	—	$164K	−$164K
BOLD	Boundless Bio, Inc.	3	$16K	$40K	−$23K
NMRA	Neumora Therapeutics, Inc.	1	—	—	$0

Transactions (18)

Date	Symbol	Type	Shares	Value	Description
2026-07-01	BOLD	Sell	16.0K	$0	Exercise or conversion of derivative security
2026-07-01	BOLD	Sell	16.0K	$40K	Open market or private sale
2026-07-01	BOLD	Buy	16.0K	$16K	Exercise or conversion of derivative security
2026-07-01	SRRK	Sell	2.1K	$113K	Open market or private sale
2026-07-01	SRRK	Sell	948	$51K	Open market or private sale
2026-06-22	KARD	Buy	1.2M	$20.0M	Open market or private purchase
2026-06-17	KARD	Sell	2.3M	$0	Conversion of derivative security
2026-06-17	KARD	Sell	5.1M	$0	Conversion of derivative security
2026-06-17	KARD	Sell	1.2M	$0	Conversion of derivative security
2026-06-17	KARD	Buy	13.8M	$0	Conversion of derivative security
2026-06-04	SRRK	Buy	4.3K	$0	Grant, award or other acquisition
2026-06-04	SRRK	Buy	6.8K	$0	Grant, award or other acquisition
2026-05-27	NMRA	Buy	80.0K	$0	Grant, award or other acquisition
2026-05-04	SPTX	Buy	1.1M	$19.8M	Open market or private purchase
2026-05-04	SPTX	Buy	2.7M	$0	Conversion of derivative security
2026-05-04	SPTX	Buy	2.5M	$0	Conversion of derivative security
2026-05-04	SPTX	Sell	2.5M	$0	Conversion of derivative security
2026-05-04	SPTX	Sell	2.7M	$0	Conversion of derivative security

Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.

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