Steven Pfanstiel

CIK 1856059 · Former EVP, CFO and Treasurer · last filed 2026-05-21

Steven Pfanstiel is a Former EVP, CFO and Treasurer who has filed 16 SEC Form 4 insider transactions across 2 companies since 2021. The most recent filing shows the insider sold $11.5K of STIM on May 21, 2026. Across all open-market trades the lifetime net is −$96.3K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.1M 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

$1.11M

Companies

2

Total Filings

16

Lifetime Open-Market Net

-$96.3K

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
STIM Former EVP, CFO and Treasurer 836,643 $1.33 $1.11M -$33.5K 6 2026-05-21
MARINUS PHARMACEUTICALS, INC. (MRNS) Delisted CFO AND COO 0 $0.55 $0 -$62.8K 10 2025-02-11

Recent Filings

16 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-21 STIM Sell (S) −8,569 -$11.5K EDGAR
2026-03-24 STIM Sell (S) −16,431 -$22.0K EDGAR
2026-03-18 STIM Grant (A) +25,000 $0 EDGAR
2026-02-25 STIM Grant (A) +250,000 $0 EDGAR
2025-12-31 STIM Grant (A) +170,212 $0 EDGAR
2025-07-15 STIM Grant (A) +400,000 $0 EDGAR
2025-02-11 MARINUS PHARMACEUTICALS, INC. (MRNS) Delisted Disp (D) −79,773 -$43.9K EDGAR
2024-08-07 MARINUS PHARMACEUTICALS, INC. (MRNS) Delisted Sell (S) −4,657 -$5.3K EDGAR
2024-06-20 MARINUS PHARMACEUTICALS, INC. (MRNS) Delisted Grant (A) +12,733 $0 EDGAR
2024-02-21 MARINUS PHARMACEUTICALS, INC. (MRNS) Delisted Sell (S) −3,092 -$30.8K 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.