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MICHAEL D OHALLERAN

CIK 1023265 · Senior Exec VP · last filed 2026-04-30

MICHAEL D OHALLERAN is a Senior Exec VP who has filed 45 SEC Form 4 insider transactions across 5 companies since 2007. The most recent filing, for RYAN, was dated Apr 30, 2026. Across all open-market trades the lifetime net is −$2.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $31.4M 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

$31.39M

Companies

5

Total Filings

45

Lifetime Open-Market Net

-$2.46M

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
RYAN Director 820,915 $35.64 $29.26M $5.68M 9 2026-04-30
NUVASIVE INC (NUVA) Delisted Director 29,111 $39.75 $1.16M $494.8K 9 2019-05-10
CAREFUSION Corp (CFN) Delisted Director 49,509 — — $0 15 2014-11-06
CAH Director 9,526 $223.85 $2.13M $0 3 2009-09-02
Aon plc (AOC) Delisted Senior Exec VP 194,538 — — -$8.63M 8 2007-08-17

Recent Filings

45 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-04-30 RYAN Grant (A) +5,757 $0 EDGAR
2025-06-03 RYAN Grant (A) +2,323 $0 EDGAR
2024-05-02 RYAN Grant (A) +2,496 $0 EDGAR
2023-05-02 RYAN Grant (A) +2,814 $0 EDGAR
2022-11-17 RYAN Buy (P) +29,474 $1.00M EDGAR
2022-06-09 RYAN Grant (A) +2,829 $0 EDGAR
2022-03-22 RYAN Grant (A) +4,361 $0 EDGAR
2021-07-28 RYAN Buy (P) +199,000 $4.68M EDGAR
2021-07-23 RYAN Disp (D) — $0 EDGAR
2019-05-10 NUVASIVE INC (NUVA) Delisted Grant (A) — $0 EDGAR
Showing 1–10 of 45
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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.