MICHELLE ROBERTSON

CIK 1755098 · EVP, CHIEF FINANCIAL OFFICER · last filed 2026-05-26

MICHELLE ROBERTSON is an EVP, CHIEF FINANCIAL OFFICER who has filed 36 SEC Form 4 insider transactions across 4 companies since 2018. The most recent filing, for VSTM, was dated May 26, 2026. Across all open-market trades the lifetime net is −$733.9K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $502.7K 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

$502.7K

Companies

4

Total Filings

36

Lifetime Open-Market Net

-$733.9K

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
VSTM Director 52,666 $4.10 $215.9K $0 8 2026-05-26
GERN EVP, CHIEF FINANCIAL OFFICER 17,645 $1.15 $20.3K -$19.1K 5 2026-02-19
EDIT EVP, CHIEF FINANCIAL OFFICER 106,610 $2.50 $266.5K -$545.0K 16 2023-05-15
MOMENTA PHARMACEUTICALS INC (MNTA) Delisted Chief Financial Officer 6,813 -$169.8K 7 2019-10-29

Recent Filings

36 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-26 VSTM Grant (A) +36,000 $0 EDGAR
2026-02-19 GERN Mixed +17,645 -$19.1K EDGAR
2025-05-27 VSTM Grant (A) +8,333 $0 EDGAR
2025-02-20 GERN Grant (A) $0 EDGAR
2024-06-20 VSTM Grant (A) +8,333 $0 EDGAR
2024-06-07 GERN Grant (A) $0 EDGAR
2024-03-13 VSTM Mixed $0 EDGAR
2024-02-16 GERN Grant (A) $0 EDGAR
2023-09-27 GERN Grant (A) $0 EDGAR
2023-05-16 VSTM 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.