TANZBERGER ERIC D

Director · Officer · SCI, SMTI

As of 2026-09-16, TANZBERGER ERIC D has 25 Form 4 transactions on record across 2 companies — 17 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: $806KIndirect: $1.4M$2.2Mas of 2026-09-16
  • Direct $806K
  • Indirect $1.4M
SCIindirect17,687 sh$1.4M
SMTIdirect22,966 sh$806K

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

SCI · 23 trades
2026-08-03: Sale, 54,800 sh ($4.7M)2026-08-03: Option exercise, 54,800 sh ($2.7M)2026-08-03: Option exercise, 54,600 sh ($0)2026-03-05: Withheld for tax, 2,277 sh ($185K)2026-02-18: Award / grant, 4,648 sh ($0)2026-02-18: Award / grant, 39,788 sh ($0)2026-02-18: Award / grant, 4,648 sh ($0)2026-01-21: Disposition, 2,080 sh ($172K)2026-01-21: Withheld for tax, 2,080 sh ($172K)2026-01-21: Award / grant, 2,080 sh ($0)2025-11-05: Sale, 80,742 sh ($6.6M)2025-11-05: Option exercise, 80,742 sh ($4.1M)2025-11-05: Sale, 58 sh ($5K)2025-11-05: Option exercise, 58 sh ($3K)2025-11-05: Option exercise, 58 sh ($0)2025-11-05: Option exercise, 80,742 sh ($0)2025-03-05: Withheld for tax, 2,222 sh ($175K)2025-02-19: Award / grant, 4,474 sh ($0)2025-02-19: Award / grant, 34,930 sh ($0)2025-02-19: Award / grant, 4,473 sh ($0)2025-01-09: Disposition, 13,850 sh ($1.1M)2025-01-09: Withheld for tax, 8,135 sh ($635K)2025-01-09: Award / grant, 13,850 sh ($0)
SMTI · 2 trades
2026-06-04: Award / grant, 5,308 sh ($0)2025-05-22: Award / grant, 3,590 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-03SCISale54,800 @ $86.04$4.7M−29.8% of holding129,379Form 4
2025-11-05SCISale80,742 @ $81.53$6.6M−39.2% of holding125,008Form 4
2025-11-05SCISale58 @ $81.38$5K−0.0% of holding125,008Form 4
22 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-03SCIOption exercise54,800184,179Form 4
2026-08-03SCIOption exercise54,6000Form 4
2026-06-04SMTIAward / grant5,30822,966Form 4
2026-03-05SCIWithheld for tax2,277129,379Form 4
2026-02-18SCIAward / grant4,64817,687Form 4
2026-02-18SCIAward / grant39,78839,788Form 4
2026-02-18SCIAward / grant4,648131,656Form 4
2026-01-21SCIDisposition2,08015,119Form 4
2026-01-21SCIWithheld for tax2,08013,039Form 4
2026-01-21SCIAward / grant2,080127,008Form 4
2025-11-05SCIOption exercise80,742205,750Form 4
2025-11-05SCIOption exercise58125,066Form 4
2025-11-05SCIOption exercise5880,742Form 4
2025-11-05SCIOption exercise80,7420Form 4
2025-05-22SMTIAward / grant3,59017,658Form 4
2025-03-05SCIWithheld for tax2,222125,008Form 4
2025-02-19SCIAward / grant4,47417,199Form 4
2025-02-19SCIAward / grant34,93034,930Form 4
2025-02-19SCIAward / grant4,473127,230Form 4
2025-01-09SCIDisposition13,85020,860Form 4
2025-01-09SCIWithheld for tax8,13512,725Form 4
2025-01-09SCIAward / grant13,850122,757Form 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.