Insider · CIK 0001395188
Thomas Donald Brisbin
Files at WLDN (Willdan Group, Inc.). First filing Dec 16, 2024, latest Sep 16, 2026.
In brief
Thomas Donald Brisbin files SEC Form 4 as director at WLDN (Willdan Group, Inc.). Since Dec 16, 2024, Thomas Donald Brisbin has reported 0 open-market buys worth $0 and 13 open-market sells worth $51M, the latest filed on Sep 16, 2026.
A track record needs three past buys with six months of prices behind them; Thomas Donald Brisbin has 0, so none is measured yet.
The newest scored trade: sold $389k of WLDN on Sep 15, 2026, filed Sep 16, 2026, scored 16 (weak). In the last 12 months: 0 buys worth $0 and 3 sells worth $5.9M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
WLDN: Willdan Group, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 16Weak | WLDNsell Willdan Group, Inc. | $389k 4,905 shares | -5% | - | |
| 14Weak | WLDNsell Willdan Group, Inc. | $303k 3,439 shares | -3% | - | |
| 35Weak | WLDNsell Willdan Group, Inc. | $5.2M 58,757 shares | -38% | - | |
| 75Notable | Willdan Group, Inc. | $13M 117,595 shares | -62% | +260% from low-8% from high | |
| 35Weak | Willdan Group, Inc. | $612k 5,182 shares | -7% | +276% from low-4% from high | |
| 65Notable | Willdan Group, Inc. | $13M 125,000 shares | -40% | +244% from low-12% from high | |
| 52Moderate | Willdan Group, Inc. | $772k 7,405 shares | -2% | +234% from low-14% from high | |
| 50Moderate | Willdan Group, Inc. | $14M 130,082 shares | -29% | +255% from low-9% from high | |
| 40Moderate | Willdan Group, Inc. | $1.2M 22,459 shares | -5% | +74% from low0% from high | |
| 24Weak | Willdan Group, Inc. | $84k 1,626 shares | -0% | +67% from low0% from high | |
| 29Weak | Willdan Group, Inc. | $308k 5,915 shares | -1% | +66% from low0% from high | |
| 40Moderate | Willdan Group, Inc. | $971k 20,000 shares | -5% | +57% from low0% from high | |
| 48Moderate | Willdan Group, Inc. | $982k 23,100 shares | -5% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 15, 2026 | WLDN WILLDAN GROUP, INC. | 4,905 0.03% of outstanding | $389k | Sep 15, 2026 | $5.5M |
| Sep 8, 2026 | WLDN WILLDAN GROUP, INC. | 3,439 0.02% of outstanding | $303k | Sep 8, 2026 | $5.2M |
| Sep 3, 2026 | WLDN WILLDAN GROUP, INC. | 58,757 0.39% of outstanding | $5.2M | Sep 3, 2026 | none |
| Aug 25, 2025 | WLDN WILLDAN GROUP, INC. | 5,182 0.04% of outstanding | $612k | Aug 25, 2025 | $42M |
| Aug 18, 2025 | WLDN WILLDAN GROUP, INC. | 5,082 0.03% of outstanding | $571k | Aug 18, 2025 | $1.6M |
| May 27, 2025 | WLDN WILLDAN GROUP, INC. | 22,459 0.15% of outstanding | $1.2M | May 27, 2025 | $1.4M |
| May 20, 2025 | WLDN Willdan Group, Inc. | 10,000 0.07% of outstanding | $515k | May 20, 2025 | $971k |
| May 19, 2025 | WLDN Willdan Group, Inc. | 20,000 0.14% of outstanding | $1.0M | May 19, 2025 | $971k |
| May 13, 2025 | WLDN Willdan Group, Inc. | 20,000 0.14% of outstanding | $961k | May 13, 2025 | none |
Transactions
The newest 50 of 57 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | WLDN Willdan Group, Inc. | MOption exercise Common Stock | +22,635 | $16.27 | $368k | 119,322 | 27 d ago |
| Sep 16, 2026 | WLDN Willdan Group, Inc. | MOption exercise Stock Options (Right to Buy)derivative | -22,635 | $0.00 | $0 | 0 | 27 d ago |
| Sep 15, 2026 | WLDN Willdan Group, Inc. | MOption exercise Common Stock | +4,905 | $16.27 | $80k | 101,592 | 28 d ago |
| Sep 15, 2026 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -4,005 | $79.01 | $316k | 97,587 | 28 d ago |
| Sep 15, 2026 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -900 | $80.91 | $73k | 96,687 | 28 d ago |
| Sep 15, 2026 | WLDN Willdan Group, Inc. | MOption exercise Stock Options (Right to Buy)derivative | -4,905 | $0.00 | $0 | 22,635 | 28 d ago |
| Sep 8, 2026 | WLDN Willdan Group, Inc. | MOption exercise Common Stock | +3,439 | $16.27 | $56k | 100,126 | 35 d ago |
| Sep 8, 2026 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -3,439 | $88.19 | $303k | 96,687 | 35 d ago |
| Sep 8, 2026 | WLDN Willdan Group, Inc. | MOption exercise Stock Options (Right to Buy)derivative | -3,439 | $0.00 | $0 | 27,540 | 35 d ago |
| Sep 3, 2026 | WLDN Willdan Group, Inc. | MOption exercise Common Stock | +58,757 | $16.27 | $956k | 155,444 | 40 d ago |
| Sep 3, 2026 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -58,757 | $88.14 | $5.2M | 96,687 | 40 d ago |
| Sep 3, 2026 | WLDN Willdan Group, Inc. | MOption exercise Stock Options (Right to Buy)derivative | -58,727 | $0.00 | $0 | 30,979 | 40 d ago |
| Jun 17, 2026 | WLDN Willdan Group, Inc. | AGrant or award Common Stock | +1,241 | $0.00 | $0 | 96,687 | Jun 18, 2026 |
| Mar 11, 2026 | WLDN Willdan Group, Inc. | AGrant or award Common Stock | +24,750 | $0.00 | $0 | 95,446 | Mar 12, 2026 |
| Aug 22, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -10,615 | $104.58 | $1.1M | 177,676 | Aug 26, 2025 |
| Aug 25, 2025 | WLDN Willdan Group, Inc. | MOption exercise Common Stock | +5,182 | $16.27 | $84k | 75,878 | Aug 26, 2025 |
| Aug 25, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -5,182 | $118.15 | $612k | 70,696 | Aug 26, 2025 |
| Aug 22, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -4,910 | $105.36 | $517k | 172,766 | Aug 26, 2025 |
| Aug 25, 2025 | WLDN Willdan Group, Inc. | MOption exercise Stock Options (Right to Buy)derivative | -5,182 | $0.00 | $0 | 89,736 | Aug 26, 2025 |
| Aug 22, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -7,520 | $106.68 | $802k | 165,246 | Aug 26, 2025 |
| Aug 22, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -8,974 | $107.65 | $966k | 156,272 | Aug 26, 2025 |
| Aug 22, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -24,988 | $108.90 | $2.7M | 131,284 | Aug 26, 2025 |
| Aug 22, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -33,096 | $109.39 | $3.6M | 98,188 | Aug 26, 2025 |
| Aug 22, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -27,492 | $110.84 | $3.0M | 70,696 | Aug 26, 2025 |
| Aug 21, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -7,000 | $101.87 | $713k | 306,291 | Aug 25, 2025 |
| Aug 21, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -17,106 | $103.01 | $1.8M | 289,185 | Aug 25, 2025 |
| Aug 21, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -33,464 | $103.95 | $3.5M | 255,721 | Aug 25, 2025 |
| Aug 21, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -33,950 | $104.66 | $3.6M | 221,771 | Aug 25, 2025 |
| Aug 21, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -33,380 | $105.91 | $3.5M | 188,391 | Aug 25, 2025 |
| Aug 21, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -100 | $106.34 | $11k | 188,291 | Aug 25, 2025 |
| Aug 20, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -7,405 | $104.19 | $772k | 313,291 | Aug 21, 2025 |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | AGrant or award Common Stock | +21,461 | $0.00 | $0 | 445,696 | Aug 20, 2025 |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | MOption exercise Common Stock | +5,082 | $16.27 | $83k | 450,778 | Aug 20, 2025 |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -4,782 | $112.30 | $537k | 445,996 | Aug 20, 2025 |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -300 | $113.01 | $34k | 445,696 | Aug 20, 2025 |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -33,233 | $108.63 | $3.6M | 412,463 | Aug 20, 2025 |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -58,303 | $109.51 | $6.4M | 354,160 | Aug 20, 2025 |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -26,258 | $110.51 | $2.9M | 327,902 | Aug 20, 2025 |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -7,206 | $111.21 | $801k | 320,696 | Aug 20, 2025 |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | MOption exercise Stock Options (Right to Buy)derivative | -5,082 | $0.00 | $0 | 94,918 | Aug 20, 2025 |
| Jun 11, 2025 | WLDN Willdan Group, Inc. | AGrant or award Common Stock | +1,781 | $0.00 | $0 | 424,235 | Jun 12, 2025 |
| May 27, 2025 | WLDN Willdan Group, Inc. | MOption exercise Common Stock | +22,459 | $13.91 | $312k | 444,913 | May 29, 2025 |
| May 27, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -22,459 | $52.34 | $1.2M | 422,454 | May 29, 2025 |
| May 27, 2025 | WLDN Willdan Group, Inc. | MOption exercise Stock Options (Right to Buy)derivative | -22,459 | $0.00 | $0 | 0 | May 29, 2025 |
| May 23, 2025 | WLDN Willdan Group, Inc. | MOption exercise Common Stock | +1,626 | $13.91 | $23k | 424,080 | May 28, 2025 |
| May 23, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -1,626 | $51.54 | $84k | 422,454 | May 28, 2025 |
| May 23, 2025 | WLDN Willdan Group, Inc. | MOption exercise Stock Options (Right to Buy)derivative | -1,626 | $0.00 | $0 | 22,459 | May 28, 2025 |
| May 22, 2025 | WLDN Willdan Group, Inc. | MOption exercise Common Stock | +5,915 | $13.91 | $82k | 428,369 | May 27, 2025 |
| May 22, 2025 | WLDN Willdan Group, Inc. | SOpen-market sale Common Stock | -5,915 | $52.04 | $308k | 422,454 | May 27, 2025 |
| May 22, 2025 | WLDN Willdan Group, Inc. | MOption exercise Stock Options (Right to Buy)derivative | -5,915 | $0.00 | $0 | 24,085 | May 27, 2025 |
Questions about Thomas Donald Brisbin
Answered from the filings on this page, as of the latest one.
Is Thomas Donald Brisbin buying or selling?
In the last 12 months Thomas Donald Brisbin reported 0 open-market buys worth $0 and 3 open-market sells worth $5.9M on SEC Form 4; the latest was sold $389k of WLDN on Sep 15, 2026. Grants, option exercises and tax withholding are not counted.
How did Thomas Donald Brisbin's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Thomas Donald Brisbin has 0.
Where does Thomas Donald Brisbin file Form 4?
Thomas Donald Brisbin has filed Form 4 at WLDN (Willdan Group, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.