Robert W. McMahon
CIK 1608730 · SVP & Chief Financial Officer · last filed 2026-06-05
"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
$22.43M
Companies
4
Total Filings
55
Lifetime Open-Market Net
$0
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 |
|---|---|---|---|---|---|---|---|
| OSUR | Director | 123,137 | $4.18 | $514.7K | $0 | 6 | 2026-06-05 |
| WSTw | SVP & Chief Financial Officer | 4,230 | — | — | $0 | 3 | 2026-03-03 |
| A | Sr. VP and CFO | 168,753 | $129.84 | $21.91M | $0 | 31 | 2025-05-27 |
| HOLOGIC INC (HOLX) Delisted | Chief Financial Officer | 112,244 | $76.01 | $8.53M | $0 | 15 | 2018-08-03 |
Recent Filings · Page 2 of 6
55 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2024-11-26 | A | Tax (F) | −5,775 | -$772.9K | EDGAR |
| 2024-11-21 | A | Mixed | +5,639 | $708.8K | EDGAR |
| 2024-11-19 | A | Tax (F) | −1,295 | -$164.6K | EDGAR |
| 2024-05-16 | OSUR | Grant (A) | +19,943 | $0 | EDGAR |
| 2023-11-30 | A | Mixed | +12,047 | $1.34M | EDGAR |
| 2023-11-27 | A | Grant (A) | +36,953 | $4.58M | EDGAR |
| 2023-11-20 | A | Tax (F) | −2,429 | -$274.8K | EDGAR |
| 2023-11-20 | A | Tax (F) | −504 | -$57.6K | EDGAR |
| 2023-11-17 | A | Tax (F) | −664 | -$75.4K | EDGAR |
| 2023-11-17 | A | Mixed | +12,439 | $1.39M | EDGAR |
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.