Martha N. Sullivan

CIK 1483896 · President and CEO (Interim) · last filed 2026-06-11

Martha N. Sullivan is a President and CEO (Interim) who has filed 85 SEC Form 4 insider transactions across 3 companies since 2013. The most recent filing, for ST, was dated Jun 11, 2026. Across all open-market trades the lifetime net is −$33.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $23.6M 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

$23.61M

Companies

3

Total Filings

85

Lifetime Open-Market Net

-$33.83M

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
ST President and CEO (Interim) 409,742 $50.40 $20.65M -$33.68M 35 2026-06-11
AVY Director 18,561 $159.25 $2.96M -$146.7K 19 2024-05-03
Mirion Technologies, Inc. (GSAH.U) Delisted Director 35,000 $11.13 $389.6K $0 2 2020-08-14

Recent Filings

85 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-11 ST Mixed +3,319 -$25.2K EDGAR
2025-06-12 ST Grant (A) +6,178 $0 EDGAR
2025-01-03 ST Mixed −56,982 -$155.9K EDGAR
2024-12-03 ST Tax (F) −5,688 -$182.8K EDGAR
2024-11-04 ST Tax (F) −5,688 -$195.3K EDGAR
2024-10-02 ST Tax (F) −5,688 -$221.0K EDGAR
2024-09-04 ST Tax (F) −5,688 -$219.3K EDGAR
2024-08-02 ST Tax (F) −5,688 -$221.8K EDGAR
2024-07-02 ST Tax (F) −5,688 -$212.7K EDGAR
2024-06-13 ST Tax (F) −74 -$2.9K 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.