Home

Dr. Halden Stuart Shane

CIK 1665888 · Chief Executive Officer · last filed 2024-05-17

Dr. Halden Stuart Shane is a Chief Executive Officer who has filed 20 SEC Form 4 insider transactions across 1 company since 2020. The most recent filing, for TOMZ, was dated May 17, 2024. Across all open-market trades the lifetime net is +$93.2K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $1.5M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$1.46M

Companies

1

Total Filings

20

Lifetime Open-Market Net

$93.2K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
TOMZ Chief Executive Officer 846,055 $1.73 $1.46M $93.2K 9 2024-05-17

Recent Filings

20 filings
Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
Filed Symbol Action Net Shares Net $ Link
2024-05-17 TOMZ Grant (A) — $0 EDGAR
2023-08-23 TOMZ Buy (P) +2,503 $3.0K EDGAR
2023-08-21 TOMZ Buy (P) +3,000 $3.2K EDGAR
2023-01-27 TOMZ Grant (A) — $0 EDGAR
2022-07-20 TOMZ Exer (M) +31,250 $25.0K EDGAR
2022-01-20 TOMZ Grant (A) — $0 EDGAR
2021-09-07 TOMZ Buy (P) +43,282 $87.0K EDGAR
2021-02-16 TOMZ Disp (D) — $0 EDGAR
2020-10-02 TOMZ Grant (A) — $0 EDGAR
2020-04-27 — Grant (A) — $0
Showing 1–10 of 20
Page 1 of 2
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.