Gregory K. Chow

CIK 1761333 · CFO · last filed 2026-06-02

Gregory K. Chow is a CFO who has filed 13 SEC Form 4 insider transactions across 2 companies since 2019. The most recent filing, for STRO, was dated Jun 2, 2026. Across all open-market trades the lifetime net is −$710.2K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $136.1K 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

$136.1K

Companies

2

Total Filings

13

Lifetime Open-Market Net

-$710.2K

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
STRO CFO 4,725 $28.80 $136.1K $16.0K 5 2026-06-02
Aptose Biosciences Inc. (APTO) Delisted Executive VP & CFO 232,846 $1.71 $398.2K -$726.2K 8 2021-01-06

Recent Filings

13 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-02 STRO Exer (M) +2,500 $0 EDGAR
2026-03-03 STRO Grant (A) $0 EDGAR
2025-12-29 STRO Grant (A) $0 EDGAR
2025-10-16 STRO Buy (P) +19,750 $16.0K EDGAR
2025-06-02 STRO Grant (A) $0 EDGAR
2021-01-06 Aptose Biosciences Inc. (APTO) Delisted Grant (A) $0 EDGAR
2020-07-10 Aptose Biosciences Inc. (APTO) Delisted Sell (S) −126,668 -$766.3K EDGAR
2020-05-07 Aptose Biosciences Inc. (APTO) Delisted Grant (A) +225,000 $0 EDGAR
2020-03-12 Aptose Biosciences Inc. (APTO) Delisted Grant (A) +225,000 $0 EDGAR
2020-02-03 Aptose Biosciences Inc. (APTO) Delisted Grant (A) $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.