BIEBER MICHAEL A — SEC Form 4 filings
SEC reporting owner CIK 1270606. 27 Form 4 filings on record with FilingPulse; latest filed 2026-05-15.
Transaction summary — filings shown
Covers all 27 filings on record, filed 2024-03-11 to 2026-05-15. 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): 17 legs across 11 filings — 163,568 shares, $9,961,671 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 55.
- Largest priced transaction: sale of 25,429 shares @ $90.88 ($2,310,988) in Willdan Group, Inc., filed 2026-05-15.
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 |
|---|---|---|---|---|---|
| Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO, Director | 27 | — | 17 legs · 163,568 sh · $9,961,671 | 55 |
Form 4 filings — BIEBER MICHAEL A
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-15 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 40,009 @ $16.27 · Option exercise (M): 16,667 @ $28.19 · Sale (S): 25,429 @ $90.88 · Sale (S): 23,015 @ $91.95 · Sale (S): 7,956 @ $92.65 · Sale (S): 276 @ $93.74 · +2 more | EDGAR |
| 2026-05-14 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 9,991 @ $16.27 · Sale (S): 9,991 @ $92.65 · Option exercise (M): 9,991 (derivative) @ $0 | EDGAR |
| 2026-03-26 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 15,750 @ $0 · Tax withholding (F): 6,444 @ $82.80 | EDGAR |
| 2026-03-23 | 4 | Willdan Group, Inc. (WLDN) | Tax withholding (F): 2,387 @ $75.52 | EDGAR |
| 2026-03-19 | 4 | Willdan Group, Inc. (WLDN) | Tax withholding (F): 2,625 @ $78.29 | EDGAR |
| 2026-03-17 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 17,326 @ $0 · Tax withholding (F): 7,090 @ $78.61 | EDGAR |
| 2026-03-12 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 18,810 @ $0 · Tax withholding (F): 7,697 @ $83.98 | EDGAR |
| 2026-03-11 | 4 | Willdan Group, Inc. (WLDN) | Tax withholding (F): 1,814 @ $82.98 | EDGAR |
| 2026-03-05 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 18,000 @ $0 | EDGAR |
| 2025-08-20 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 12,963 @ $0 · Tax withholding (F): 6,788 @ $109.53 | EDGAR |
| 2025-05-20 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 25,000 @ $13.91 · Sale (S): 25,000 @ $48.11 · Option exercise (M): 25,000 (derivative) @ $0 | EDGAR |
| 2025-03-26 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 15,750 @ $0 · Tax withholding (F): 8,246 @ $42.53 | EDGAR |
| 2025-03-24 | 4 | Willdan Group, Inc. (WLDN) | Tax withholding (F): 3,054 @ $43.06 | EDGAR |
| 2025-03-19 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 19,250 @ $0 | EDGAR |
| 2025-03-12 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 11,970 @ $0 · Tax withholding (F): 6,268 @ $40.11 | EDGAR |
| 2025-03-11 | 4 | Willdan Group, Inc. (WLDN) | Tax withholding (F): 2,429 @ $41.80 | EDGAR |
| 2024-11-12 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 10,868 @ $13.49 · Sale (S): 10,868 @ $45.67 · Option exercise (M): 10,868 (derivative) @ $0 | EDGAR |
| 2024-11-08 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 1,804 @ $13.49 · Sale (S): 1,804 @ $45.86 · Option exercise (M): 1,804 (derivative) @ $0 | EDGAR |
| 2024-08-21 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 8,246 @ $0 · Tax withholding (F): 4,318 @ $37.36 | EDGAR |
| 2024-08-14 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 750 @ $13.49 · Sale (S): 750 @ $36.46 · Option exercise (M): 750 (derivative) @ $0 | EDGAR |
| 2024-08-12 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 10,273 @ $13.49 · Sale (S): 10,273 @ $36.43 · Option exercise (M): 9,209 @ $13.49 · Sale (S): 9,209 @ $36.36 · Option exercise (M): 10,273 (derivative) @ $0 · Option exercise (M): 9,209 (derivative) @ $0 | EDGAR |
| 2024-08-08 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 12,000 @ $13.49 · Sale (S): 12,000 @ $36.58 · Option exercise (M): 10,346 @ $13.49 · Sale (S): 10,346 @ $36.61 · Option exercise (M): 12,000 (derivative) @ $0 · Option exercise (M): 10,346 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 6,000 @ $13.49 · Sale (S): 4,460 @ $30.32 · Option exercise (M): 6,000 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 6,000 @ $13.49 · Sale (S): 4,464 @ $30.25 · Option exercise (M): 6,000 @ $13.49 · Sale (S): 4,394 @ $30.98 · Option exercise (M): 6,000 (derivative) @ $0 · Option exercise (M): 6,000 (derivative) @ $0 | EDGAR |
| 2024-06-12 | 4 | Willdan Group, Inc. (WLDN) | Option exercise (M): 4,514 @ $13.49 · Sale (S): 3,333 @ $31.03 · Option exercise (M): 4,514 (derivative) @ $0 | EDGAR |
| 2024-03-22 | 4 | Willdan Group, Inc. (WLDN) | Grant/award (A): 17,500 @ $0 · Grant/award (A): 11,970 @ $0 · Tax withholding (F): 5,303 @ $27.55 | EDGAR |
| 2024-03-11 | 4 | Willdan Group, Inc. (WLDN) | Tax withholding (F): 2,201 @ $19.85 | 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.
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