COLLIS STEVEN H

Director · Officer · BLCO, ELV, COR

As of 2026-09-16, COLLIS STEVEN H has 38 Form 4 transactions on record across 3 companies — 7 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: $21.1MIndirect: $0$21.1Mas of 2026-09-16
  • Direct $21.1M
  • Indirect $0
CORdirect58,699 sh$18.7M
ELVdirect4,202 sh$1.7M
BLCOdirect42,003 sh$717K

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

COR · 30 trades
2025-09-16: Sale, 31,350 sh ($9.1M)2025-09-16: Option exercise, 29,350 sh ($2.5M)2025-09-16: Option exercise, 29,350 sh ($0)2025-08-19: Sale, 14,579 sh ($4.2M)2025-08-19: Option exercise, 12,579 sh ($1.1M)2025-08-19: Option exercise, 12,579 sh ($0)2025-07-22: Sale, 14,578 sh ($4.3M)2025-07-22: Option exercise, 12,578 sh ($1.1M)2025-07-22: Option exercise, 12,578 sh ($0)2025-06-24: Sale, 14,579 sh ($4.3M)2025-06-24: Option exercise, 12,579 sh ($1.1M)2025-06-24: Option exercise, 12,579 sh ($0)2025-05-20: Sale, 14,578 sh ($4.3M)2025-05-20: Option exercise, 12,578 sh ($1.1M)2025-05-20: Option exercise, 12,578 sh ($0)2025-04-22: Sale, 14,579 sh ($4.1M)2025-04-22: Option exercise, 12,579 sh ($1.1M)2025-04-22: Option exercise, 12,579 sh ($0)2025-03-25: Sale, 12,578 sh ($3.4M)2025-03-25: Option exercise, 12,578 sh ($1.1M)2025-03-25: Sale, 2,000 sh ($539K)2025-03-25: Option exercise, 12,578 sh ($0)2025-02-27: Sale, 12,579 sh ($3.2M)2025-02-27: Option exercise, 12,579 sh ($1.1M)2025-02-27: Sale, 2,000 sh ($502K)2025-02-27: Option exercise, 12,579 sh ($0)2024-12-18: Withheld for tax, 395 sh ($92K)2024-12-18: Option exercise, 395 sh ($0)2024-12-18: Option exercise, 395 sh2024-12-18: Option exercise, 395 sh
BLCO · 5 trades
2026-05-26: Award / grant, 15,842 sh ($250K)2026-04-30: Award / grant, 1,415 sh ($22K)2026-02-23: Purchase, 15,000 sh ($267K)2026-02-23: Award / grant, 4,491 sh ($0)2026-02-19: Award / grant, 5,255 sh ($0)
ELV · 3 trades
2026-05-13: Award / grant, 563 sh ($0)2026-03-05: Purchase, 3,000 sh ($870K)2025-08-01: Award / grant, 639 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-05ELVPurchase3,000 @ $289.84$870K+469.5% of holding3,639Form 4
2026-02-23BLCOPurchase15,000 @ $17.81$267K+285.4% of holding20,255Form 4
2025-09-16CORSale31,350 @ $289.86$9.1M−9.3% of holding305,913Form 4
2025-08-19CORSale14,579 @ $289.98$4.2M−4.5% of holding307,913Form 4
2025-07-22CORSale14,578 @ $292.67$4.3M−4.5% of holding309,913Form 4
2025-06-24CORSale14,579 @ $292.62$4.3M−4.5% of holding311,913Form 4
2025-05-20CORSale14,578 @ $293.84$4.3M−4.4% of holding313,913Form 4
2025-04-22CORSale14,579 @ $281.81$4.1M−4.4% of holding315,913Form 4
2025-03-25CORSale12,578 @ $269.51$3.4M−3.8% of holding319,913Form 4
2025-03-25CORSale2,000 @ $269.51$539K−0.6% of holding317,913Form 4
2025-02-27CORSale12,579 @ $251.08$3.2M−3.8% of holding319,913Form 4
2025-02-27CORSale2,000 @ $251.08$502K−0.6% of holding319,913Form 4
26 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-26BLCOAward / grant15,84242,003Form 4
2026-05-13ELVAward / grant5634,202Form 4
2026-04-30BLCOAward / grant1,41526,161Form 4
2026-02-23BLCOAward / grant4,49124,746Form 4
2026-02-19BLCOAward / grant5,2555,255Form 4
2025-09-16COROption exercise29,350337,263Form 4
2025-09-16COROption exercise29,35058,699Form 4
2025-08-19COROption exercise12,579322,492Form 4
2025-08-19COROption exercise12,57988,049Form 4
2025-08-01ELVAward / grant639639Form 4
2025-07-22COROption exercise12,578324,491Form 4
2025-07-22COROption exercise12,578100,628Form 4
2025-06-24COROption exercise12,579326,492Form 4
2025-06-24COROption exercise12,579113,206Form 4
2025-05-20COROption exercise12,578328,491Form 4
2025-05-20COROption exercise12,578125,785Form 4
2025-04-22COROption exercise12,579330,492Form 4
2025-04-22COROption exercise12,579138,363Form 4
2025-03-25COROption exercise12,578332,491Form 4
2025-03-25COROption exercise12,578150,942Form 4
2025-02-27COROption exercise12,579332,492Form 4
2025-02-27COROption exercise12,579163,520Form 4
2024-12-18CORWithheld for tax395321,913Form 4
2024-12-18COROption exercise3959,474Form 4
2024-12-18COROption exercise395322,308Form 4
2024-12-18COROption exercise395322,308Form 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.