HAGSTROM WILLIAM A

Director · CDNA

As of 2026-09-16, HAGSTROM WILLIAM A has 12 Form 4 transactions on record across 1 company — 0 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Trades by company

CDNA · 12 trades
2025-06-11: Sale, 19,391 sh ($386K)2025-06-11: Option exercise, 15,000 sh ($221K)2025-06-11: Option exercise, 4,391 sh ($35K)2025-06-11: Option exercise, 4,391 sh ($0)2025-06-11: Option exercise, 15,000 sh ($0)2025-05-28: Sale, 30,000 sh ($523K)2025-05-28: Option exercise, 24,745 sh ($197K)2025-05-28: Option exercise, 4,745 sh ($23K)2025-05-28: Option exercise, 510 sh ($3K)2025-05-28: Option exercise, 510 sh ($0)2025-05-28: Option exercise, 24,745 sh ($0)2025-05-28: Option exercise, 4,745 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-06-11CDNASale19,391 @ $19.90$386K−26.4% of holding53,979Form 4
2025-05-28CDNASale30,000 @ $17.45$523K−35.7% of holding53,979Form 4
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-06-11CDNAOption exercise15,00068,979Form 4
2025-06-11CDNAOption exercise4,39173,370Form 4
2025-06-11CDNAOption exercise4,3910Form 4
2025-06-11CDNAOption exercise15,0000Form 4
2025-05-28CDNAOption exercise24,74583,469Form 4
2025-05-28CDNAOption exercise4,74558,724Form 4
2025-05-28CDNAOption exercise51083,979Form 4
2025-05-28CDNAOption exercise5100Form 4
2025-05-28CDNAOption exercise24,7454,391Form 4
2025-05-28CDNAOption exercise4,7450Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.