Matthew T Shafer

CIK 1684933 · Chief Financial Officer · last filed 2026-01-16

Matthew T Shafer is a Chief Financial Officer who has filed 11 SEC Form 4 insider transactions across 1 company since 2016. Current disclosed insider exposure totals $308 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

$308

Companies

1

Total Filings

11

Lifetime Open-Market Net

$0

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
OPTT CFO and Treasurer 1,122 $0.27 $308 $0 8 2021-01-19

Recent Filings

11 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-01-16 Grant (A) +62,500 $0
2025-12-15 Mixed +35,000 $0
2024-03-06 Other (J) $0
2021-01-19 OPTT Grant (A) $0 EDGAR
2020-01-21 OPTT Grant (A) $0 EDGAR
2019-05-21 OPTT Tax (F) −208 -$485 EDGAR
2018-12-11 OPTT Grant (A) $0 EDGAR
2018-09-19 OPTT Tax (F) −1,770 -$814 EDGAR
2017-09-19 OPTT Tax (F) −1,683 -$2.2K EDGAR
2017-05-23 OPTT Grant (A) +14,584 $20.4K 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.