Claflin Bruce L.

Director · IDXX, CIEN

As of 2026-09-16, Claflin Bruce L. has 10 Form 4 transactions on record across 2 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: $18.0MIndirect: $0$18.0Mas of 2026-09-16
  • Direct $18.0M
  • Indirect $0
CIENdirect50,843 sh$17.3M
IDXXdirect1,354 sh$695K

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

CIEN · 6 trades
2026-03-26: Award / grant, 605 sh ($0)2025-09-24: Sale, 8,461 sh ($1.2M)2025-09-24: Gift, 4,386 sh2025-09-24: Gift, 4,386 sh2025-03-27: Award / grant, 3,738 sh ($0)2025-01-06: Sale, 16,912 sh ($1.4M)
IDXX · 4 trades
2026-05-12: Award / grant, 234 sh ($0)2026-05-12: Award / grant, 525 sh ($0)2025-05-07: Award / grant, 257 sh ($0)2025-05-07: Award / grant, 600 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-09-24CIENSale8,461 @ $140.12$1.2M−13.4% of holding54,624Form 4
2025-01-06CIENSale16,912 @ $84.96$1.4M−22.2% of holding59,347Form 4
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-12IDXXAward / grant2341,354Form 4
2026-05-12IDXXAward / grant525525Form 4
2026-03-26CIENAward / grant60550,843Form 4
2025-09-24CIENGift4,38650,238Form 4
2025-09-24CIENGift4,38650,238Form 4
2025-05-07IDXXAward / grant257257Form 4
2025-05-07IDXXAward / grant600600Form 4
2025-03-27CIENAward / grant3,73863,085Form 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.