Katkin Keith

Director · EBS, SNDX, ELDN

As of 2026-09-18, Katkin Keith has 13 Form 4 transactions on record across 3 companies — 6 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.

Reconstructed holdings

Direct: $2.3MIndirect: $0$2.3Mas of 2026-09-18
  • Direct $2.3M
  • Indirect $0
SNDXdirect124,000 sh$2.2M
EBSdirect11,296 sh$77K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

EBS · 6 trades
2026-04-30: Sale, 15,481 sh ($128K)2026-04-30: Award / grant, 11,296 sh ($0)2026-04-30: Award / grant, 25,344 sh ($0)2025-05-23: Sale, 7,844 sh ($49K)2025-04-30: Award / grant, 15,824 sh ($0)2025-04-30: Award / grant, 34,403 sh ($0)
ELDN · 4 trades
2026-01-10: Option exercise, 8,575 sh ($0)2026-01-10: Option exercise, 8,575 sh ($0)2025-01-10: Award / grant, 77,175 sh ($0)2025-01-10: Award / grant, 8,575 sh ($0)
SNDX · 3 trades
2026-02-04: Award / grant, 24,000 sh ($0)2025-05-19: Purchase, 10,000 sh ($91K)2025-02-05: Award / grant, 25,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-04-30EBSSale15,481 @ $8.28$128K−13.9% of holding96,294Form 4
2025-05-23EBSSale7,844 @ $6.30$49K−8.3% of holding86,431Form 4
2025-05-19SNDXPurchase10,000 @ $9.11$91K+11.1% of holding100,000Form 4
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-04-30EBSAward / grant11,29611,296Form 4
2026-04-30EBSAward / grant25,344111,775Form 4
2026-02-04SNDXAward / grant24,000124,000Form 4
2026-01-10ELDNOption exercise8,5758,575Form 4
2026-01-10ELDNOption exercise8,5750Form 4
2025-04-30EBSAward / grant15,82441,572Form 4
2025-04-30EBSAward / grant34,40394,275Form 4
2025-02-05SNDXAward / grant25,00090,000Form 4
2025-01-10ELDNAward / grant77,17577,175Form 4
2025-01-10ELDNAward / grant8,5758,575Form 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.