DIANA J WALTERS

CIK 1007203 · last filed 2026-06-02

DIANA J WALTERS is a corporate insider who has filed 75 SEC Form 4 insider transactions across 6 companies since 2015. The most recent filing, for SMR, was dated Jun 2, 2026. Across all open-market trades the lifetime net is −$914.6K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $2.2M 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.

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Disclosed Exposure

$2.20M

Companies

6

Total Filings

75

Lifetime Open-Market Net

-$914.6K

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
SMR Director 22,176 $9.89 $219.3K $0 4 2026-06-02
TMQ Director 101,302 $3.93 $398.1K -$821.6K 55 2026-06-01
ATO Director 9,300 $169.96 $1.58M -$93.0K 11 2025-02-06
Alta Mesa Resources, Inc. /DE (AMRWW) Delisted Director 51,344 $0 2 2018-04-13
Trilogy Metals Inc. (NCQ) Delisted Director $0 1 2016-06-17
Electrum Special Acquisition Corp (ELEC.U) Delisted Director 26,666 $0 2 2015-06-18

Recent Filings

75 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-02 SMR Grant (A) +8,681 $0 EDGAR
2026-06-01 TMQ Grant (A) $0 EDGAR
2026-04-24 TMQ Exer (M) +50,000 $80.5K EDGAR
2026-03-02 TMQ Grant (A) $0 EDGAR
2025-12-12 TMQ Grant (A) $0 EDGAR
2025-12-02 TMQ Grant (A) $0 EDGAR
2025-10-10 TMQ Mixed -$522.0K EDGAR
2025-09-03 TMQ Grant (A) $0 EDGAR
2025-06-03 TMQ Grant (A) $0 EDGAR
2025-05-30 SMR Grant (A) +3,109 $0 EDGAR
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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.