BIEBER MICHAEL A 4
4 · Willdan Group, Inc. · Filed May 15, 2026
Research Summary
AI-generated summary of this filing
Willdan (WLDN) CEO Michael Bieber Exercises Options, Sells 56,676 Shares
What Happened
Michael A. Bieber, President, CEO and a director of Willdan Group, exercised 56,676 shares via option/conversion (two exercises: 40,009 @ $16.27 and 16,667 @ $28.19; total exercise cost ≈ $1,120,789) on 2026-05-14, and sold those same 56,676 shares in multiple open-market transactions that day for total proceeds of ≈ $5,190,212. The filing shows the exercised derivative positions were disposed the same day, indicating an immediate sale (cashless/close-out).
Key Details
- Transaction date: 2026-05-14; Form 4 filed 2026-05-15 (timely).
- Option exercises (code M): 40,009 shares at $16.27 (≈ $650,946) and 16,667 shares at $28.19 (≈ $469,843).
- Open-market sales (code S), all on 2026-05-14:
- 25,429 shares at weighted avg $90.88 (prices ranged $90.50–$91.46) — proceeds ≈ $2,310,988.
- 23,015 shares at weighted avg $91.95 (range $91.50–$92.49) — proceeds ≈ $2,116,229.
- 7,956 shares at weighted avg $92.65 (range $92.50–$93.41) — proceeds ≈ $737,123.
- 276 shares at weighted avg $93.74 (range $93.62–$93.99) — proceeds ≈ $25,872.
- Net effect on holdings: exercised 56,676 shares and sold 56,676 shares the same day — no net increase in share count from these transactions.
- Notable footnotes: F1 lists unvested RSUs included in reported ownership (18,000; 12,834; 5,834 with staggered vesting through 2029). F6/F7 note the exercised options were granted under the company’s 2008 incentive plan and had previously vested. Pricing footnotes (F2–F5) provide per-trade price ranges for the weighted averages reported.
- Filing timeliness: appears timely (filed next day).
Context
- These entries show an exercise of options followed by immediate sale of the exercised shares (a common "cashless" or sell-to-cover pattern). Purchases (option exercise) and simultaneous sales mean this activity does not necessarily signal an increase in insider ownership.
- All items are factual disclosures of the transactions; they do not state the insider’s motives.
Insider Transaction Report
Form 4
BIEBER MICHAEL A
DirectorPRESIDENT AND CEO
Transactions
- Exercise/Conversion
Common Stock
[F1]2026-05-14$16.27/sh+40,009$650,946→ 289,534 total - Exercise/Conversion
Common Stock
[F1]2026-05-14$28.19/sh+16,667$469,843→ 306,201 total - Sale
Common Stock
[F2][F1]2026-05-14$90.88/sh−25,429$2,310,988→ 280,772 total - Sale
Common Stock
[F3][F1]2026-05-14$91.95/sh−23,015$2,116,229→ 257,757 total - Sale
Common Stock
[F4][F1]2026-05-14$92.65/sh−7,956$737,123→ 249,801 total - Sale
Common Stock
[F5][F1]2026-05-14$93.74/sh−276$25,872→ 249,525 total - Exercise/Conversion
Stock Options (Right to Buy)
[F6]2026-05-14−40,009→ 0 totalExercise: $16.27From: 2017-11-03Exp: 2026-11-03→ Common Stock (40,009 underlying) - Exercise/Conversion
Stock Options (Right to Buy)
[F7]2026-05-14−16,667→ 0 totalExercise: $28.19From: 2018-03-08Exp: 2027-03-08→ Common Stock (16,667 underlying)
Footnotes (7)
- [F1]Includes (i) 18,000 shares of restricted stock units that vest in three substantially equal installments on each of March 3, 2027, March 3, 2028 and March 3, 2029, (ii) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.
- [F2]The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $90.50 to $91.46, inclusive. The Reporting Person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2), footnote (3), footnote (4), and footnote (5).
- [F3]The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $91.50 to $92.49, inclusive.
- [F4]The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $92.50 to $93.41, inclusive.
- [F5]The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $93.62 to $93.99, inclusive.
- [F6]Stock options granted under the Willdan Group, Inc. Amended and Restated 2008 Performance Incentive Plan, which vested in three equal installments on each of November 3, 2017, November 3, 2018, and November 3, 2019.
- [F7]Stock options granted under the Willdan Group, Inc. Amended and Restated 2008 Performance Incentive Plan, which vested in three equal installments on each of March 8, 2018, March 8, 2019, and March 8, 2020.
Signature
/s/ Creighton K. Early, Attorney-in-fact for Michael A. Bieber|2026-05-15