Bay Walter D. — SEC Form 4 filings
SEC reporting owner CIK 1410235. 20 Form 4 filings on record with FilingPulse; latest filed 2026-08-26.
Transaction summary — filings shown
Covers all 20 filings on record, filed 2024-03-05 to 2026-08-26. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 11 legs across 6 filings — 76,864 shares, $20,757,504 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 44.
- Largest priced transaction: sale of 15,850 shares @ $255.00 ($4,041,750) in Arthur J. Gallagher & Co., filed 2025-12-23.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Arthur J. Gallagher & Co. (AJG) | General Counsel | 20 | — | 11 legs · 76,864 sh · $20,757,504 | 44 |
Form 4 filings — Bay Walter D.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-26 | 4 | Arthur J. Gallagher & Co. (AJG) | Sale (S): 12,000 @ $270.08 | EDGAR |
| 2026-04-01 | 4 | Arthur J. Gallagher & Co. (AJG) | Option exercise (M): 1,415.09 @ $215.95 · Tax withholding (F): 627 @ $215.95 · Option exercise (M): 1,415.09 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Arthur J. Gallagher & Co. (AJG) | Grant/award (A): 7,090 @ $0 · Option exercise (M): 7,090 @ $0 · Option exercise (M): 7,090 @ $0 · Tax withholding (F): 2,411 @ $207.93 | EDGAR |
| 2026-03-06 | 4 | Arthur J. Gallagher & Co. (AJG) | Grant/award (A): 1,982.29 (derivative) @ $227.01 | EDGAR |
| 2026-03-03 | 4 | Arthur J. Gallagher & Co. (AJG) | Grant/award (A): 16,952 (derivative) @ $0 | EDGAR |
| 2025-12-23 | 4 | Arthur J. Gallagher & Co. (AJG) | Option exercise (M): 15,850 @ $79.59 · Sale (S): 15,850 @ $255 · Gift (G): 1,724 @ $0 · Option exercise (M): 15,850 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Arthur J. Gallagher & Co. (AJG) | Option exercise (M): 78.75 @ $0 · Tax withholding (F): 78.75 @ $345.24 · Option exercise (M): 78.75 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | Arthur J. Gallagher & Co. (AJG) | Grant/award (A): 7,180 @ $0 · Option exercise (M): 7,180 @ $0 · Option exercise (M): 7,180 @ $0 · Tax withholding (F): 3,108 @ $325.24 | EDGAR |
| 2025-03-14 | 4 | Arthur J. Gallagher & Co. (AJG) | Option exercise (M): 2,250 @ $0 · Option exercise (M): 2,250 @ $0 · Tax withholding (F): 945 @ $325.75 | EDGAR |
| 2025-03-11 | 4 | Arthur J. Gallagher & Co. (AJG) | Code (I): 1,400.87 (derivative) @ $321.23 | EDGAR |
| 2025-03-05 | 4 | Arthur J. Gallagher & Co. (AJG) | Grant/award (A): 11,350 (derivative) @ $0 | EDGAR |
| 2025-02-14 | 4 | Arthur J. Gallagher & Co. (AJG) | Sale (S): 10,000 @ $326.62 | EDGAR |
| 2025-02-07 | 4 | Arthur J. Gallagher & Co. (AJG) | Option exercise (M): 94,731.84 @ $0 · Tax withholding (F): 40,612.84 @ $316.30 · Option exercise (M): 94,731.84 (derivative) @ $0 | EDGAR |
| 2024-12-11 | 4 | Arthur J. Gallagher & Co. (AJG) | Code (I): 4,942.40 (derivative) @ $283.74 | EDGAR |
| 2024-07-30 | 4 | Arthur J. Gallagher & Co. (AJG) | Sale (S): 6,335 @ $284.06 | EDGAR |
| 2024-06-18 | 4 | Arthur J. Gallagher & Co. (AJG) | Sale (S): 8,303 @ $262.74 · Code (I): 9,675.47 (derivative) @ $261.16 | EDGAR |
| 2024-05-20 | 4 | Arthur J. Gallagher & Co. (AJG) | Sale (S): 7,576 @ $253 · Option exercise (M): 7,283 @ $70.74 · Sale (S): 7,283 @ $256.04 · Option exercise (M): 8,717 @ $70.74 · Sale (S): 3,863 @ $256.27 · Sale (S): 4,468 @ $257.53 · +6 more | EDGAR |
| 2024-03-19 | 4 | Arthur J. Gallagher & Co. (AJG) | Grant/award (A): 8,914 @ $0 · Option exercise (M): 8,914 @ $0 · Option exercise (M): 8,914 @ $0 · Tax withholding (F): 3,858 @ $253.17 | EDGAR |
| 2024-03-18 | 4 | Arthur J. Gallagher & Co. (AJG) | Option exercise (M): 3,500 @ $0 · Option exercise (M): 3,500 @ $0 · Tax withholding (F): 980 @ $254.91 | EDGAR |
| 2024-03-05 | 4 | Arthur J. Gallagher & Co. (AJG) | Grant/award (A): 10,884 (derivative) @ $0 · Code (I): 1,850.86 (derivative) @ $243.13 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1410235 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →