DeGolyer Donald W

Director · EBS

As of 2026-09-16, DeGolyer Donald W has 8 Form 4 transactions on record across 1 company — 5 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: $876KIndirect: $0$876Kas of 2026-09-16
  • Direct $876K
  • Indirect $0
EBSdirect129,721 sh$876K

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 · 8 trades
2026-05-01: Sale, 14,527 sh ($121K)2026-05-01: Sale, 954 sh ($9K)2026-04-30: Award / grant, 25,344 sh ($0)2026-04-30: Award / grant, 11,296 sh ($0)2025-11-10: Sale, 17,801 sh ($188K)2025-08-12: Sale, 7,844 sh ($68K)2025-04-30: Award / grant, 34,403 sh ($0)2025-04-30: Award / grant, 15,824 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-01EBSSale14,527 @ $8.36$121K−10.0% of holding130,675Form 4
2026-05-01EBSSale954 @ $8.96$9K−0.7% of holding129,721Form 4
2025-11-10EBSSale17,801 @ $10.54$188K−12.9% of holding119,858Form 4
2025-08-12EBSSale7,844 @ $8.65$68K−5.4% of holding137,659Form 4
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-04-30EBSAward / grant25,344145,202Form 4
2026-04-30EBSAward / grant11,29611,296Form 4
2025-04-30EBSAward / grant34,403145,503Form 4
2025-04-30EBSAward / grant15,82441,572Form 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.