William H Chang

CIK 1594408 · last filed 2026-01-16

William H Chang is a corporate insider who has filed 26 SEC Form 4 insider transactions across 2 companies since 2014. The most recent filing, for SMLR, was dated Jan 16, 2026. Across all open-market trades the lifetime net is −$1.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $652.0K 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

$652.0K

Companies

2

Total Filings

26

Lifetime Open-Market Net

-$1.45M

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
Semler Scientific, Inc. (SMLR) Delisted Director 0 $20.98 $0 -$1.45M 23 2026-01-16
ENSC Director 2,595,640 $0.25 $652.0K $0 3 2022-06-27

Recent Filings

26 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-01-16 Semler Scientific, Inc. (SMLR) Delisted Disp (D) −824,264 $0 EDGAR
2026-01-02 Semler Scientific, Inc. (SMLR) Delisted Grant (A) $0 EDGAR
2025-12-17 Semler Scientific, Inc. (SMLR) Delisted Gift (G) −60,000 $0 EDGAR
2025-05-05 Semler Scientific, Inc. (SMLR) Delisted Grant (A) $0 EDGAR
2025-01-07 Semler Scientific, Inc. (SMLR) Delisted Gift (G) $0 EDGAR
2025-01-07 Semler Scientific, Inc. (SMLR) Delisted Grant (A) $0 EDGAR
2025-01-07 Semler Scientific, Inc. (SMLR) Delisted Mixed +1,318 $0 EDGAR
2024-12-17 Semler Scientific, Inc. (SMLR) Delisted Gift (G) −2,735 $0 EDGAR
2024-11-12 Semler Scientific, Inc. (SMLR) Delisted Grant (A) +1,318 $0 EDGAR
2024-05-29 Semler Scientific, Inc. (SMLR) 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.