Form4insider filings, from the source

Company · CIK 0001370450 · SIC 8711 — Services-Engineering Services · Nasdaq

Willdan Group, Inc. · WLDN

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $429k · 19sales $9.1M · 23net −$8.7M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 2015Apr 2017Mar 2019Jan 2021Dec 2022Oct 2024Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 MForm 4 →Sep 17, 5:44 pm EDTThomas Donald BrisbinDirector22,635$16.27$368,271119,322—
Sep 15, 2026 SForm 4 →Sep 16, 5:32 pm EDTThomas Donald BrisbinDirector4,905$79.36$389,25496,687−4.83%
Sep 15, 2026 MForm 4 →Sep 16, 5:32 pm EDTThomas Donald BrisbinDirector4,905$16.27$79,804101,592—
Sep 8, 2026 SForm 4 →Sep 9, 6:01 pm EDTThomas Donald BrisbinDirector3,439$88.19$303,28596,687−3.43%
Sep 8, 2026 MForm 4 →Sep 9, 6:01 pm EDTThomas Donald BrisbinDirector3,439$16.27$55,953100,126—
Sep 3, 2026 SForm 4 →Sep 4, 5:41 pm EDTThomas Donald BrisbinDirector58,757$88.14$5,178,84296,687−37.8%
Sep 3, 2026 MForm 4 →Sep 4, 5:41 pm EDTThomas Donald BrisbinDirector58,757$16.27$955,976155,444—
Jun 17, 2026 AForm 4 →Jun 18, 5:11 pm EDTMohammad ShahidehpourDirector1,241——15,789—
Jun 17, 2026 AForm 4 →Jun 18, 5:10 pm EDTCynthia DownesDirector1,241——10,150—
Jun 17, 2026 AForm 4 →Jun 18, 5:08 pm EDTWanda Kay RederDirector1,241——11,917—
Jun 17, 2026 AForm 4 →Jun 18, 5:06 pm EDTDennis V McGinnDirector1,241——12,571—
Jun 17, 2026 AForm 4 →Jun 18, 5:04 pm EDTSteven A CohenDirector1,241——22,090—
Jun 17, 2026 AForm 4 →Jun 18, 5:03 pm EDTThomas Donald BrisbinDirector1,241——96,687—
Dec 3, 2018 GForm 5 →Jan 10, 2019, 2:18 pm ESTDaniel ChowChief Operating Officer3,300——31,831— plan?
Nov 19, 2018 MForm 4 →Nov 20, 1:06 pm ESTRaymond W Holdsworth Jr.Director20,000$2.54$50,80030,954— plan?
Jun 13, 2018 AForm 4 →Jun 15, 5:10 pm EDTCurtis S ProbstDirector2,947——4,421— plan?
Jun 13, 2018 AForm 4 →Jun 15, 5:09 pm EDTDennis V McGinnDirector2,947——4,421— plan?
Jun 13, 2018 AForm 4 →Jun 15, 5:08 pm EDTSteven A CohenDirector2,485——12,142— plan?
Jun 13, 2018 AForm 4 →Jun 15, 5:08 pm EDTMohammad ShahidehpourDirector2,485——12,142— plan?
Jun 13, 2018 AForm 4 →Jun 15, 5:07 pm EDTDouglas James McEachernDirector2,485——14,642— plan?
Jun 13, 2018 AForm 4 →Jun 15, 5:03 pm EDTRaymond W Holdsworth Jr.Director2,485——10,954— plan?
Jun 13, 2018 AForm 4 →Jun 15, 5:02 pm EDTKeith RenkenDirector2,485——43,142— plan?
Jun 13, 2018 AForm 4 →Jun 15, 5:02 pm EDTDebra CoyDirector3,283——3,283— plan?
May 31, 2018 FForm 4 →Jun 5, 6:29 pm EDTThomas Donald BrisbinChief Executive Officer, Director14,473$28.84$417,407170,992— plan? late
May 23, 2018 SForm 4 →May 25, 5:28 pm EDTMichael A BieberPresident4,000$26.99$107,9603,333−54.5% plan?
May 23, 2018 SForm 4 →May 25, 5:28 pm EDTPaul Milton WhitelawSVP, Business Development4,709$27.18$127,9913,376−58.2% plan?
May 23, 2018 MForm 4 →May 25, 5:28 pm EDTPaul Milton WhitelawSVP, Business Development1,000$3.84$3,8408,085— plan?
Apr 11, 2018 MForm 4 →Apr 13, 5:32 pm EDTKeith RenkenDirector2,000$5.21$10,42040,657— plan?
Mar 13, 2018 SForm 4 →Mar 15, 2:44 pm EDTMarc TipermasPresident of National Programs2,500$26.47$66,17542,500−5.56% plan?
Jan 3, 2018 MForm 4 →Jan 4, 8:38 pm ESTMarc TipermasPresident of National Programs6,667$3.89$25,93545,000— plan?
Dec 15, 2017 GForm 4 →Dec 19, 2:26 pm ESTDaniel ChowChief Operating Officer4,000——35,131— plan?
Dec 14, 2017 SForm 4 →Dec 14, 8:07 pm ESTMarc TipermasPresident of National Programs3,000$25.24$75,72038,333−7.26% plan?
Dec 13, 2017 MForm 4 →Dec 14, 7:35 pm ESTWin WestfallDirector22,000$2.78$61,22043,657— plan?
Dec 8, 2017 SForm 4 →Dec 12, 4:44 pm ESTMarc TipermasPresident of National Programs682$24.50$16,70941,333−1.62% plan?
Dec 8, 2017 PForm 4 →Dec 11, 12:54 pm ESTDouglas James McEachernDirector420$23.87$10,02678,543+0.54% plan?
Dec 6, 2017 SForm 4 →Dec 8, 2:07 pm ESTMarc TipermasPresident of National Programs1,318$24.90$32,81842,015−3.04% plan?
Nov 7, 2017 PForm 4 →Nov 8, 4:54 pm ESTRaymond W Holdsworth Jr.Director2,500$25.73$64,32560,688+4.30% plan?
Oct 31, 2017 AForm 4 →Nov 27, 7:00 pm ESTDaniel ChowChief Operating Officer2,667——39,131— plan? late
Aug 16, 2017 PForm 4 →Nov 9, 8:50 pm ESTDouglas James McEachernDirector1,180$27.32$32,24278,123+1.53% plan? late
Aug 9, 2017 PForm 4 →Aug 9, 6:44 pm EDTDouglas James McEachernDirector306$36.11$11,05076,943+0.40% plan?
Aug 8, 2017 SForm 4 →Aug 9, 1:32 pm EDTMarc TipermasPresident of National Programs5,000$35.78$178,90043,333−10.3% plan?
Jun 16, 2017 SForm 4 →Jun 20, 8:55 pm EDTDaniel ChowChief Operating Officer1,203$30.43$36,60736,464−3.19% plan?
Jun 14, 2017 PForm 4 →Jun 16, 7:02 pm EDTRaymond W Holdsworth Jr.Director1,000$30.39$30,38558,188+1.75% plan?
Jun 8, 2017 AForm 4 →Jun 12, 1:31 pm EDTCurtis S ProbstDirector1,474——1,474— plan?
Jun 8, 2017 AForm 4 →Jun 12, 1:31 pm EDTDennis V McGinnDirector1,474——1,474— plan?
Jun 8, 2017 AForm 4 →Jun 12, 1:31 pm EDTWin WestfallDirector1,474——21,657— plan?
Jun 8, 2017 AForm 4 →Jun 12, 1:30 pm EDTMohammad ShahidehpourDirector1,474——9,657— plan?
Jun 8, 2017 AForm 4 →Jun 12, 1:30 pm EDTSteven A CohenDirector1,474——9,657— plan?
Jun 8, 2017 AForm 4 →Jun 12, 1:30 pm EDTDouglas James McEachernDirector1,474——12,157— plan?
Jun 8, 2017 AForm 4 →Jun 12, 1:30 pm EDTKeith RenkenDirector1,474——38,657— plan?
Jun 8, 2017 AForm 4 →Jun 12, 1:29 pm EDTRaymond W Holdsworth Jr.Director1,474——8,469— plan?
May 9, 2017 PForm 4 →May 11, 4:00 pm EDTRaymond W Holdsworth Jr.Director1,000$31.70$31,70057,188+1.78% plan?
May 9, 2017 SForm 4 →May 11, 3:48 pm EDTMarc TipermasPresident of National Programs4,714$31.05$146,37048,333−8.89% plan?
May 2, 2017 MForm 4 →May 3, 6:44 pm EDTMarc TipermasPresident of National Programs25,000$9.38$234,50053,047— plan?
Apr 12, 2017 MForm 4 →Apr 14, 1:57 pm EDTKeith RenkenDirector2,000$9.28$18,56037,183— plan?
Mar 30, 2017 MForm 4 →Mar 30, 8:37 pm EDTThomas Donald BrisbinChief Executive Officer, Director100,000$9.30$930,000185,465— plan?
Mar 15, 2017 SForm 4 →Mar 17, 8:10 pm EDTThomas Donald BrisbinChief Executive Officer, Director30,000$32.32$969,73285,465−26.0% plan?
Mar 14, 2017 SForm 4 →Mar 16, 9:48 pm EDTStacy B. McLaughlinChief Financial Officer21,569$33.94$732,0391,333−94.2% plan?
Mar 14, 2017 MForm 4 →Mar 16, 9:48 pm EDTStacy B. McLaughlinChief Financial Officer18,333$8.45$154,89522,902— plan?
Mar 14, 2017 SForm 4 →Mar 16, 9:40 pm EDTMarc TipermasPresident of National Programs8,286$33.85$280,49528,047−22.8% plan?
Mar 8, 2017 AForm 4 →Mar 10, 8:16 pm ESTStacy B. McLaughlinChief Financial Officer1,333——4,569— plan?
Mar 8, 2017 AForm 4 →Mar 10, 8:16 pm ESTMichael A BieberPresident3,333——7,333— plan?
Mar 8, 2017 AForm 4 →Mar 10, 8:13 pm ESTDaniel ChowChief Operating Officer2,667——37,667— plan?
Nov 30, 2016 SForm 4 →Nov 30, 8:33 pm ESTMarc TipermasPresident of National Programs1,000$24.32$24,32036,333−2.68% plan?
Nov 28, 2016 SForm 4 →Nov 28, 6:57 pm ESTMarc TipermasPresident of National Programs1,000$24.81$24,81037,333−2.61% plan?
Nov 15, 2016 SForm 4 →Nov 17, 3:31 pm ESTMarc TipermasPresident of National Programs3,470$19.30$66,97138,333−8.30% plan?
Nov 11, 2016 SForm 4 →Nov 15, 11:54 am ESTMarc TipermasPresident of National Programs1,962$19.51$38,28041,803−4.48% plan?
Nov 10, 2016 PForm 4 →Nov 10, 7:11 pm ESTDouglas James McEachernDirector1,095$18.72$20,49876,637+1.45% plan?
Nov 9, 2016 SForm 4 →Nov 10, 9:04 pm ESTMarc TipermasPresident of National Programs15,566$18.86$293,62843,765−26.2% plan?
Oct 19, 2016 MForm 4 →Oct 19, 8:16 pm EDTKeith RenkenDirector2,000$10.64$21,28035,183— plan?
Sep 16, 2016 PForm 4 →Sep 19, 6:14 pm EDTDouglas James McEachernDirector25$17.05$42675,542+0.03% plan?
Aug 17, 2016 PForm 4/A →Aug 18, 5:34 pm EDTDouglas James McEachernDirector1,122$14.95$16,77875,517+1.51% plan?
Aug 17, 2016 PForm 4 →Aug 17, 2:42 pm EDTDouglas James McEachernDirector1,122$14.95$16,77875,517+1.51% plan? amended
Jun 9, 2016 AForm 4 →Jun 13, 7:55 pm EDTWin WestfallDirector4,583——20,183— plan?
Jun 9, 2016 AForm 4 →Jun 13, 7:54 pm EDTSteven A CohenDirector4,583——8,183— plan?
Jun 9, 2016 AForm 4 →Jun 13, 7:54 pm EDTRaymond W Holdsworth Jr.Director4,583——63,183— plan?
Jun 9, 2016 AForm 4 →Jun 13, 7:53 pm EDTDouglas James McEachernDirector4,583——10,683— plan?
Jun 9, 2016 AForm 4 →Jun 13, 7:52 pm EDTKeith RenkenDirector4,583——33,183— plan?
Jun 9, 2016 AForm 4 →Jun 13, 7:52 pm EDTMohammad ShahidehpourDirector4,583——8,183— plan?
Jun 9, 2016 AForm 4 →Jun 13, 7:51 pm EDTJohn M ToupsDirector4,583——42,183— plan?
May 31, 2016 PForm 4 →May 31, 5:57 pm EDTDouglas James McEachernDirector25$9.93$24874,395+0.03% plan?
May 13, 2016 PForm 4 →May 16, 4:17 pm EDTDouglas James McEachernDirector1,500$10.32$15,48074,370+2.06% plan?
May 10, 2016 SForm 4 →May 16, 4:16 pm EDTMarc TipermasPresident of National Programs1,042$11.05$11,51459,331−1.73% plan? late
May 4, 2016 AForm 4 →May 5, 6:10 pm EDTThomas Donald BrisbinChief Executive Officer, Director40,000——115,465— plan?
May 4, 2016 AForm 4 →May 5, 6:08 pm EDTDaniel ChowCEO of Willdan Engineering10,000——35,000— plan?
Mar 17, 2016 PForm 4 →Mar 18, 4:30 pm EDTRaymond W Holdsworth Jr.Director2,300$9.05$20,81558,600+4.09% plan?
Mar 15, 2016 PForm 4 →Mar 16, 9:15 pm EDTRaymond W Holdsworth Jr.Director2,700$8.96$24,18356,300+5.04% plan?
Feb 10, 2016 MForm 4 →Feb 10, 7:57 pm ESTKeith RenkenDirector5,000$1.80$9,00028,600— plan?
Jan 6, 2016 MForm 4 →Jan 12, 8:27 pm ESTDouglas James McEachernDirector10,000$2.36$23,55072,870— plan? late
Dec 14, 2015 PForm 4 →Dec 14, 6:50 pm ESTDouglas James McEachernDirector2,650$8.45$22,39262,870+4.40% plan?
Dec 2, 2015 SForm 4 →Dec 4, 5:04 pm ESTMarc TipermasPresident of National Programs1,500$9.25$13,87560,373−2.42% plan?
Nov 23, 2015 SForm 4 →Nov 25, 4:40 pm ESTMarc TipermasPresident of National Programs460$9.45$4,34761,873−0.74% plan?
Nov 17, 2015 PForm 4 →Nov 18, 6:55 pm ESTDouglas James McEachernDirector220$9.08$1,99860,220+0.37% plan?
Oct 9, 2015 MForm 4 →Oct 13, 9:09 pm EDTKeith RenkenDirector10,000$2.18$21,75023,600— plan?
Sep 11, 2015 PForm 4 →Sep 15, 6:57 pm EDTDouglas James McEachernDirector1,500$10.38$15,56960,000+2.56% plan?
Aug 18, 2015 PForm 4 →Aug 19, 4:34 pm EDTDouglas James McEachernDirector3,500$9.76$34,1503,500— plan?
Jul 8, 2015 MForm 4 →Jul 9, 5:21 pm EDTDouglas James McEachernDirector5,000$1.80$9,00015,100— plan?
Jun 23, 2015 MForm 4 →Jul 1, 4:13 pm EDTDouglas James McEachernDirector5,000$4.01$20,05010,100— plan? late
Jun 12, 2015 PForm 4 →Jun 12, 5:06 pm EDTMichael A BieberSVP, Corporate Development4,000$13.95$55,8004,000— plan?
Jun 9, 2015 PForm 4 →Jun 9, 6:21 pm EDTDouglas James McEachernDirector1,500$14.01$21,0155,100+41.7% plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 MForm 4 →Sep 17, 5:44 pm EDTThomas Donald BrisbinDirector22,635——0—
Sep 15, 2026 MForm 4 →Sep 16, 5:32 pm EDTThomas Donald BrisbinDirector4,905——22,635—
Sep 8, 2026 MForm 4 →Sep 9, 6:01 pm EDTThomas Donald BrisbinDirector3,439——27,540—
Sep 3, 2026 MForm 4 →Sep 4, 5:41 pm EDTThomas Donald BrisbinDirector58,727——30,979—
Nov 19, 2018 MForm 4 →Nov 20, 1:06 pm ESTRaymond W Holdsworth Jr.Director20,000——0—
Sep 4, 2018 AForm 4 →Sep 6, 2:03 pm EDTMichael A BieberPresident25,000——25,000—
Sep 4, 2018 AForm 4 →Sep 6, 2:02 pm EDTThomas Donald BrisbinChief Executive Officer, Director125,000——125,000—
May 23, 2018 MForm 4 →May 25, 5:28 pm EDTPaul Milton WhitelawSVP, Business Development1,000——0—
Apr 11, 2018 MForm 4 →Apr 13, 5:32 pm EDTKeith RenkenDirector2,000——0—
Jan 3, 2018 MForm 4 →Jan 4, 8:38 pm ESTMarc TipermasPresident of National Programs6,667——0—
Dec 13, 2017 MForm 4 →Dec 14, 7:35 pm ESTWin WestfallDirector22,000——0—
Oct 31, 2017 AForm 4 →Nov 27, 7:00 pm ESTDaniel ChowChief Operating Officer13,333——13,333— late
May 2, 2017 MForm 4 →May 3, 6:44 pm EDTMarc TipermasPresident of National Programs25,000——0—
Apr 12, 2017 MForm 4 →Apr 14, 1:57 pm EDTKeith RenkenDirector2,000——0—
Mar 30, 2017 MForm 4 →Mar 30, 8:37 pm EDTThomas Donald BrisbinChief Executive Officer, Director100,000——0—
Mar 14, 2017 MForm 4 →Mar 16, 9:48 pm EDTStacy B. McLaughlinChief Financial Officer18,333——1,667—
Mar 8, 2017 AForm 4 →Mar 10, 8:16 pm ESTStacy B. McLaughlinChief Financial Officer6,667——6,667—
Mar 8, 2017 AForm 4 →Mar 10, 8:16 pm ESTMichael A BieberPresident16,667——16,667—
Mar 8, 2017 AForm 4 →Mar 10, 8:13 pm ESTDaniel ChowChief Operating Officer13,333——13,333—
Nov 3, 2016 AForm 4/A →Nov 15, 2:34 pm ESTMichael A BieberPresident50,000——50,000—
Nov 3, 2016 AForm 4/A →Nov 15, 2:34 pm ESTThomas Donald BrisbinChief Executive Officer, Director100,000——100,000—
Nov 3, 2016 AForm 4/A →Nov 15, 11:57 am ESTThomas Donald BrisbinChief Executive Officer, Director100,000——100,000— amended
Nov 3, 2016 AForm 4/A →Nov 15, 11:55 am ESTMichael A BieberPresident50,000——50,000— amended
Nov 3, 2016 AForm 4/A →Nov 15, 11:53 am ESTDaniel ChowChief Operating Officer30,000——30,000—
Nov 3, 2016 AForm 4/A →Nov 15, 11:52 am ESTStacy B. McLaughlinChief Financial Officer15,000——15,000—
Nov 2, 2016 AForm 4/A →Nov 7, 7:29 pm ESTMichael A BieberPresident50,000——50,000—
Nov 2, 2016 AForm 4 →Nov 4, 8:59 pm EDTThomas Donald BrisbinChief Executive Officer, Director100,000——100,000—
Nov 2, 2016 AForm 4 →Nov 4, 8:59 pm EDTStacy B. McLaughlinChief Financial Officer15,000——15,000—
Nov 2, 2016 AForm 4 →Nov 4, 8:58 pm EDTMichael A BieberPresident40,000——40,000— amended
Nov 2, 2016 AForm 4 →Nov 4, 8:57 pm EDTDaniel ChowChief Operating Officer30,000——30,000—
Oct 19, 2016 MForm 4 →Oct 19, 8:16 pm EDTKeith RenkenDirector2,000——0—
Mar 10, 2016 AForm 4 →Mar 14, 9:18 pm EDTStacy B. McLaughlinChief Financial Officer15,000——15,000—
Mar 10, 2016 AForm 4 →Mar 14, 9:18 pm EDTMichael A BieberSVP, Corporate Development25,000——25,000—
Feb 10, 2016 MForm 4 →Feb 10, 7:57 pm ESTKeith RenkenDirector5,000——0—
Jan 6, 2016 MForm 4 →Jan 12, 8:27 pm ESTDouglas James McEachernDirector10,000——0— late
Oct 9, 2015 MForm 4 →Oct 13, 9:09 pm EDTKeith RenkenDirector10,000——0—
Jul 8, 2015 MForm 4 →Jul 9, 5:21 pm EDTDouglas James McEachernDirector5,000——0—
Jun 23, 2015 MForm 4 →Jul 1, 4:13 pm EDTDouglas James McEachernDirector5,000——0— late
Jun 5, 2015 AForm 4 →Jun 8, 7:00 pm EDTThomas Donald BrisbinChief Executive Officer, Director50,000——50,000—
Jun 5, 2015 AForm 4 →Jun 8, 6:00 pm EDTMichael A BieberSVP, Corporate Development25,000——25,000—
Apr 8, 2015 MForm 4 →Apr 10, 4:18 pm EDTMarc TipermasPresident of National Programs8,000——0—
Mar 26, 2015 AForm 4 →Mar 31, 6:56 am EDTStacy B. McLaughlinChief Financial Officer15,000——15,000— late
Jan 12, 2015 MForm 4 →Jan 14, 4:34 pm ESTMarc TipermasPresident of National Programs19,333——6,667—
Dec 31, 2014 AForm 4 →Jan 7, 2015, 4:54 pm ESTMichael A BieberSVP, Corporate Development100,000——100,000— late