Form4insider filings, from the source

Company · CIK 0000730272 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq

REPLIGEN CORP · RGEN

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $47.2M · 49net −$47.2M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMar 2015Feb 2017Jan 2019Dec 2020Nov 2022Oct 2024Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
May 11, 2016 SForm 4 →May 13, 3:32 pm EDTHoward BenjaminOther2,889$26.72$77,19918,626−13.4% plan?
May 5, 2016 FForm 4 →May 9, 4:58 pm EDTAnthony HuntChief Executive Officer1,622$25.71$41,70273,342— plan?
Feb 26, 2016 AFForm 4 →Mar 1, 2:40 pm ESTJames R RuscheSenior Vice President6,505$26.05$36,965100,516— plan?
Feb 26, 2016 AFForm 4 →Mar 1, 2:40 pm ESTHoward BenjaminVP Business Development7,565$26.05$33,91721,515— plan?
Feb 26, 2016 AFForm 4 →Mar 1, 2:39 pm ESTJon SnodgresCFO8,653$26.05$19,48517,777— plan?
Feb 26, 2016 AFForm 4 →Mar 1, 2:38 pm ESTAnthony HuntChief Executive Officer35,856$26.05$59,05574,964— plan?
Nov 19, 2015 MForm 4 →Nov 20, 2:55 pm ESTHoward BenjaminOther5,000$3.33$16,65016,554— plan?
Nov 10, 2015 AForm 4 →Nov 12, 8:24 am ESTKaren A DawesDirector1,000$26.70$26,70040,241— plan?
Nov 9, 2015 AForm 4 →Nov 12, 8:25 am ESTGlenn L Cooper M.D.Director1,000$26.56$26,56435,331— plan? late
Jul 14, 2015 FForm 4 →Nov 12, 8:22 am ESTJon SnodgresChief Financial Officer325$41.30$13,42210,620— plan? late
Jun 12, 2015 FForm 4 →Nov 12, 8:23 am ESTAnthony HuntChief Executive Officer1,625$38.46$62,49843,642— plan? late
Jun 8, 2015 SForm 4 →Jun 10, 3:36 pm EDTHoward BenjaminOther35,000$38.14$1,334,85411,554−75.2% plan?
May 29, 2015 GForm 4 →Jun 2, 1:56 pm EDTThomas F Ryan Jr.Director1,000——20,331— plan?
May 21, 2015 AForm 4 →May 26, 6:28 pm EDTAlfred Lewis GoldbergDirector1,019——40,331— plan?
May 21, 2015 AForm 4 →May 26, 6:28 pm EDTKaren A DawesDirector1,498——39,241— plan?
May 21, 2015 AForm 4 →May 26, 6:27 pm EDTJohn CoxDirector1,858——1,858— plan?
May 21, 2015 AForm 4 →May 26, 6:26 pm EDTGlenn L Cooper M.D.Director1,019——34,331— plan?
May 21, 2015 AForm 4 →May 26, 6:26 pm EDTNicolas BarthelemyDirector1,019——1,019— plan?
May 21, 2015 AForm 4 →May 26, 6:19 pm EDTThomas F Ryan Jr.Director1,019——21,331— plan?
May 15, 2015 SForm 4 →May 19, 8:05 am EDTJames R RuscheSenior Vice President15,000$41.32$619,83396,849−13.4% plan?
May 12, 2015 SForm 4 →May 14, 12:45 pm EDTWalter C HerlihyPRESIDENT, CEO, Director45,431$38.97$1,770,332262,430−14.8% plan?
May 11, 2015 GForm 4 →May 12, 1:25 pm EDTWalter C HerlihyPRESIDENT, CEO, Director10,000——307,861— plan?
May 8, 2015 SForm 4 →May 12, 1:25 pm EDTWalter C HerlihyPRESIDENT, CEO, Director104,569$37.94$3,967,077317,861−24.8% plan?
May 8, 2015 SForm 4 →May 12, 8:38 am EDTThomas F Ryan Jr.Director20,000$37.19$743,80020,312−49.6% plan?
Mar 20, 2015 SForm 4 →Mar 23, 6:32 pm EDTWalter C HerlihyPRESIDENT AND CEO, Director24,536$31.78$779,802422,430−5.49% plan?
Mar 19, 2015 SForm 4 →Mar 25, 8:05 pm EDTJames R RuscheSenior Vice President14,650$33.30$487,845111,849−11.6% plan? late
Mar 19, 2015 SForm 4 →Mar 20, 4:50 pm EDTWalter C HerlihyPRESIDENT AND CEO, Director49,695$33.08$1,643,762446,966−10.0% plan?
Mar 19, 2015 SForm 4 →Mar 20, 4:50 pm EDTThomas F Ryan Jr.Director10,000$32.62$326,18740,312−19.9% plan?
Mar 18, 2015 SForm 4 →Mar 19, 5:41 pm EDTHoward BenjaminOther15,795$32.63$515,44346,554−25.3% plan?
Mar 18, 2015 MForm 4 →Mar 19, 5:41 pm EDTHoward BenjaminOther13,807$8.90$122,86962,349— plan?
Feb 26, 2015 AForm 4 →Mar 2, 8:36 am ESTAnthony HuntChief Operating Officer20,267——45,267— plan?
Feb 26, 2015 AForm 4 →Mar 2, 8:33 am ESTJon SnodgresChief Financial Officer5,945——10,945— plan?
Feb 26, 2015 AForm 4 →Mar 2, 8:29 am ESTJames R RuscheSenior Vice President5,229——126,499— plan?
Feb 26, 2015 AForm 4 →Mar 2, 8:26 am ESTHoward BenjaminVP Business Development4,691——48,542— plan?
Jun 13, 2014 GForm 5 →Jan 2, 2015, 1:08 pm ESTWalter C HerlihyPRESIDENT, CEO, Director10,000——486,661— plan?

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 24, 2026 MForm 4 →Sep 25, 4:09 pm EDTOlivier LoeillotChief Executive Officer, Director12,946——9,085—10b5-1
Sep 21, 2026 MForm 4 →Sep 22, 4:07 pm EDTOlivier LoeillotChief Executive Officer, Director5,426——5,426—10b5-1
Aug 20, 2026 MForm 4 →Aug 21, 4:06 pm EDTOlivier LoeillotChief Executive Officer, Director5,426——10,852—10b5-1
Feb 28, 2019 AForm 4 →Mar 4, 6:58 pm ESTJon SnodgresChief Financial Officer5,653——5,653—
Feb 28, 2019 AForm 4 →Mar 4, 6:52 pm ESTAnthony HuntChief Executive Officer, Director21,651——21,651—
Feb 28, 2019 AForm 4 →Mar 4, 6:52 pm ESTRalf KuriyelSenior VP, R&D4,042——4,042—
Nov 26, 2018 MForm 4 →Nov 28, 4:43 pm ESTJon SnodgresCFO31,753——5,127—
Sep 10, 2018 MForm 4 →Sep 12, 4:15 pm EDTAnthony HuntChief Executive Officer, Director11,873——38,127—
Aug 29, 2018 MForm 4 →Aug 31, 4:15 pm EDTNicolas BarthelemyDirector4,426——0—
Jul 26, 2018 PSForm 4 →Jul 30, 6:27 pm EDTRoy T Eddleman10% Owner2$837,500.00$1,675,0001—
Jul 12, 2018 PSForm 4 →Jul 16, 5:06 pm EDTRoy T Eddleman10% Owner2$1,000,000.00$2,000,0001—
May 16, 2018 AForm 4 →May 17, 4:45 pm EDTThomas F Ryan Jr.Director3,304——3,304—
May 16, 2018 AForm 4 →May 17, 4:44 pm EDTGlenn P MuirDirector3,304——3,304—
May 16, 2018 AForm 4 →May 17, 4:44 pm EDTKaren A DawesDirector4,626——4,626—
May 16, 2018 AForm 4 →May 17, 4:43 pm EDTJohn CoxDirector3,304——3,304—
May 16, 2018 AForm 4 →May 17, 4:43 pm EDTGlenn L Cooper M.D.Director3,304——3,304—
May 16, 2018 AForm 4 →May 17, 4:42 pm EDTNicolas BarthelemyDirector3,304——3,304—
May 11, 2018 MForm 4 →May 15, 9:53 am EDTKaren A DawesDirector20,000——0—
May 9, 2018 MForm 4 →May 11, 10:38 am EDTNicolas BarthelemyDirector27,366——0—
Mar 8, 2018 MForm 4 →Mar 12, 5:32 pm EDTThomas F Ryan Jr.Director4,696——0—
Mar 1, 2018 AForm 4 →Mar 5, 10:00 pm ESTRalf KuriyelSenior VP, R&D12,850——12,850—
Mar 1, 2018 AForm 4 →Mar 5, 9:38 pm ESTJon SnodgresCFO20,659——20,659—
Mar 1, 2018 AForm 4 →Mar 5, 9:21 pm ESTAnthony HuntChief Executive Officer, Director359,809——285,563—
Dec 14, 2017 MForm 4 →Dec 18, 5:59 pm ESTHoward BenjaminVP Business Development12,729——8,124—
May 18, 2017 AForm 4 →May 22, 5:02 pm EDTThomas F Ryan Jr.Director2,434——2,434—
May 18, 2017 AForm 4 →May 22, 5:02 pm EDTGlenn P MuirDirector2,434——2,434—
May 18, 2017 AForm 4 →May 22, 5:01 pm EDTJohn CoxDirector2,434——2,434—
May 18, 2017 AForm 4 →May 22, 5:00 pm EDTGlenn L Cooper M.D.Director2,434——2,434—
May 18, 2017 AForm 4 →May 22, 4:56 pm EDTNicolas BarthelemyDirector2,434——2,434—
May 18, 2017 AForm 4 →May 22, 4:56 pm EDTKaren A DawesDirector3,459——3,459—
Mar 21, 2017 MForm 4 →Mar 22, 5:20 pm EDTKaren A DawesDirector20,000——0—
Mar 20, 2017 MForm 4 →Mar 22, 4:41 pm EDTHoward BenjaminVP Business Development14,968——0—
Mar 20, 2017 MForm 4 →Mar 22, 4:34 pm EDTThomas F Ryan Jr.Director4,000——1,000—
Mar 17, 2017 MForm 4 →Mar 21, 9:03 pm EDTJon SnodgresChief Financial Officer4,000——6,000—
Feb 23, 2017 AForm 4/A →May 22, 5:15 pm EDTHoward BenjaminVP Business Development8,289——8,289—
Feb 23, 2017 AForm 4/A →May 22, 5:12 pm EDTJon SnodgresChief Financial Officer18,165——18,165—
Feb 23, 2017 AForm 4/A →Mar 21, 8:23 pm EDTHoward BenjaminVP Business Development9,012——9,012— amended
Feb 23, 2017 AForm 4/A →Mar 21, 8:22 pm EDTJon SnodgresChief Financial Officer19,750——19,750— amended
Feb 23, 2017 AForm 4/A →Mar 21, 8:22 pm EDTAnthony HuntChief Executive Officer64,975——64,975—
Feb 23, 2017 AForm 4 →Mar 1, 9:00 pm ESTHoward BenjaminVP Business Development9,012——9,012— late amended
Feb 23, 2017 AForm 4 →Mar 1, 8:57 pm ESTJon SnodgresChief Financial Officer19,750——19,750— late amended
Feb 23, 2017 AForm 4 →Mar 1, 8:56 pm ESTAnthony HuntChief Executive Officer64,975——64,975— late amended
Jun 28, 2016 MForm 4 →Jun 29, 2:46 pm EDTThomas F Ryan Jr.Director5,000$3.22$16,1005,000—
Jun 27, 2016 MForm 4 →Jun 28, 4:40 pm EDTKaren A DawesDirector15,000——0—
May 24, 2016 MForm 4 →May 26, 3:31 pm EDTHoward BenjaminOther10,000——10,000—
May 11, 2016 AForm 4 →May 13, 3:42 pm EDTThomas F Ryan Jr.Director3,366——3,366—
May 11, 2016 AForm 4 →May 13, 3:41 pm EDTGlenn P MuirDirector3,366——3,366—
May 11, 2016 AForm 4 →May 13, 3:39 pm EDTJohn CoxDirector3,366——3,366—
May 11, 2016 AForm 4 →May 13, 3:38 pm EDTGlenn L Cooper M.D.Director3,366——3,366—
May 11, 2016 AForm 4 →May 13, 3:37 pm EDTNicolas BarthelemyDirector3,366——3,366—
May 11, 2016 AForm 4 →May 13, 3:37 pm EDTKaren A DawesDirector4,783——4,783—
Feb 26, 2016 AForm 4 →Mar 1, 2:40 pm ESTJames R RuscheSenior Vice President9,895——9,895—
Feb 26, 2016 AForm 4 →Mar 1, 2:40 pm ESTHoward BenjaminVP Business Development12,186——12,186—
Feb 26, 2016 AForm 4 →Mar 1, 2:39 pm ESTJon SnodgresCFO15,380——15,380—
Feb 26, 2016 AForm 4 →Mar 1, 2:38 pm ESTAnthony HuntChief Executive Officer65,351——65,351—
Nov 19, 2015 MForm 4 →Nov 20, 2:55 pm ESTHoward BenjaminOther5,000——0—
Sep 14, 2015 AForm 4 →Sep 16, 10:13 am EDTGlenn P MuirDirector24,000——24,000—
May 21, 2015 AForm 4 →May 26, 6:28 pm EDTAlfred Lewis GoldbergDirector1,992——1,992—
May 21, 2015 AForm 4 →May 26, 6:28 pm EDTKaren A DawesDirector2,929——2,929—
May 21, 2015 AForm 4 →May 26, 6:27 pm EDTJohn CoxDirector3,632——3,632—
May 21, 2015 AForm 4 →May 26, 6:26 pm EDTGlenn L Cooper M.D.Director1,992——1,992—
May 21, 2015 AForm 4 →May 26, 6:26 pm EDTNicolas BarthelemyDirector1,992——1,992—
May 21, 2015 AForm 4 →May 26, 6:19 pm EDTThomas F Ryan Jr.Director1,992——1,992—
Mar 18, 2015 MForm 4 →Mar 19, 5:41 pm EDTHoward BenjaminOther13,807——7,614—
Feb 26, 2015 AForm 4 →Mar 2, 8:36 am ESTAnthony HuntChief Operating Officer39,037——39,037—
Feb 26, 2015 AForm 4 →Mar 2, 8:33 am ESTJon SnodgresChief Financial Officer11,445——11,445—
Feb 26, 2015 AForm 4 →Mar 2, 8:29 am ESTJames R RuscheSenior Vice President10,067——10,067—
Feb 26, 2015 AForm 4 →Mar 2, 8:26 am ESTHoward BenjaminVP Business Development9,031——9,031—