GLENN PIERCE

CIK 1256964 · Interim CSO · last filed 2026-06-11

GLENN PIERCE is an Interim CSO who has filed 25 SEC Form 4 insider transactions across 2 companies since 2016. The most recent filing, for VYGR, was dated Jun 11, 2026. Across all open-market trades the lifetime net is +$28.5K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $76.3K 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

$76.3K

Companies

2

Total Filings

25

Lifetime Open-Market Net

$28.5K

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
VYGR Director 21,788 $3.50 $76.3K $28.5K 15 2026-06-11
Global Blood Therapeutics, Inc. (GBT) Delisted Director 0 $68.49 $0 $0 10 2022-10-06

Recent Filings

25 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-11 VYGR Grant (A) $0 EDGAR
2025-06-04 VYGR Grant (A) $0 EDGAR
2024-06-07 VYGR Grant (A) $0 EDGAR
2023-06-07 VYGR Grant (A) $0 EDGAR
2022-10-06 Global Blood Therapeutics, Inc. (GBT) Delisted Disp (D) −26,437 $0 EDGAR
2022-07-18 VYGR Sell (S) −9,512 -$63.7K EDGAR
2022-06-16 Global Blood Therapeutics, Inc. (GBT) Delisted Mixed +3,600 $0 EDGAR
2022-06-08 VYGR Grant (A) $0 EDGAR
2022-01-18 VYGR Grant (A) +26,300 $0 EDGAR
2021-06-21 Global Blood Therapeutics, Inc. (GBT) Delisted Mixed +3,037 $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.