Form4insider filings, from the source

Company · CIK 0001527599 · SIC 2834 — Pharmaceutical Preparations · OTC

SYNLOGIC, INC. · SYBX

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $89.0M · 15sales $287k · 11net $88.7M
$10k$10k$1M$1M$100M$100MbuyssalesOct 2015Apr 2016Nov 2016Jun 2017Dec 2017Jul 2018Feb 2019

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Feb 12, 2019 SForm 4 →Feb 14, 4:06 pm ESTPaul Francis MillerChief Scientific Officer9,000$9.75$87,75048,135−15.8% plan?
Oct 18, 2018 SForm 4 →Oct 19, 4:06 pm EDTPaul Francis MillerChief Scientific Officer3,000$9.77$29,29657,135−4.99% plan?
Sep 18, 2018 SForm 4 →Sep 19, 4:05 pm EDTPaul Francis MillerChief Scientific Officer3,000$13.05$39,16360,135−4.75% plan?
Sep 5, 2018 SForm 4 →Sep 7, 4:05 pm EDTPaul Francis MillerChief Scientific Officer3,000$12.55$37,63563,135−4.54% plan?
Aug 29, 2018 SForm 4 →Aug 31, 4:05 pm EDTPaul Francis MillerChief Scientific Officer3,000$9.76$29,29066,135−4.34% plan?
Jul 18, 2018 SForm 4 →Jul 19, 4:05 pm EDTPaul Francis MillerChief Scientific Officer3,000$11.01$33,02269,135−4.16% plan?
Jun 19, 2018 SForm 4 →Jun 21, 4:06 pm EDTPaul Francis MillerChief Scientific Officer3,000$9.77$29,30372,135−3.99% plan?
Jan 26, 2018 AForm 4 →Jan 30, 4:30 pm ESTMichael PowellDirector150,000$9.75$1,462,500574,972— plan?
Jan 26, 2018 AForm 4 →Jan 30, 4:30 pm ESTChau Quang KhuongDirector715,000$9.75$6,971,2502,029,996— plan?
Jan 26, 2018 AForm 4 →Jan 30, 4:30 pm ESTORBIMED ADVISORS LLC +1Director715,000$9.75$6,971,2502,029,996— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:35 pm ESTRavi Viswanathan10% Owner410,000$9.75$3,997,5004,228,940— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:35 pm ESTPeter W. Sonsini10% Owner410,000$9.75$3,997,5004,228,940— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:34 pm ESTScott D Sandell10% Owner410,000$9.75$3,997,5004,228,940— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:34 pm ESTDavid M Mott10% Owner410,000$9.75$3,997,5004,228,940— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:33 pm ESTPatrick J Kerins10% Owner410,000$9.75$3,997,5004,228,940— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:33 pm ESTAnthony A. Florence Jr.10% Owner410,000$9.75$3,997,5004,228,940— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:32 pm ESTForest Baskett10% Owner410,000$9.75$3,997,5004,228,940— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:32 pm ESTPeter J Barris10% Owner410,000$9.75$3,997,5004,228,940— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:31 pm ESTM James Barrett10% Owner410,000$9.75$3,997,5004,228,940— plan?
Jan 26, 2018 AForm 4 →Jan 26, 4:31 pm ESTNew Enterprise Associates 14, L.P. +210% Owner410,000$9.75$3,997,5004,228,940— plan?
Oct 2, 2017 GForm 5 →Feb 13, 2018, 4:32 pm ESTJose-Carlos Gutierrez-RamosSee Remarks, Director10,000——352,619— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:48 pm EDTRavi Viswanathan10% Owner3,394,439——3,818,940— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:47 pm EDTPeter W. Sonsini10% Owner3,394,439——3,818,940— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:46 pm EDTScott D Sandell10% Owner3,394,439——3,818,940— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:45 pm EDTDavid M Mott10% Owner3,394,439——3,818,940— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:45 pm EDTPatrick J Kerins10% Owner3,394,439——3,818,940— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:44 pm EDTAnthony A. Florence Jr.10% Owner3,394,439——3,818,940— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:43 pm EDTForest Baskett10% Owner3,394,439——3,818,940— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:42 pm EDTPeter J Barris10% Owner3,394,439——3,818,940— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:41 pm EDTM James Barrett10% Owner3,394,439——3,818,940— plan?
Aug 28, 2017 AForm 4 →Aug 30, 4:40 pm EDTNew Enterprise Associates 14, L.P. +210% Owner3,394,439——3,818,940— plan?
Dec 1, 2016 SForm 4 →Dec 2, 7:11 pm ESTJon IrvinVice President, Finance280$1.43$4027,625— plan?
Nov 11, 2016 SForm 4 →Nov 15, 7:10 pm ESTJon IrvinVice President, Finance150$1.45$2187,905−1.86% plan?
Nov 1, 2016 SForm 4 →Nov 2, 6:56 pm EDTJon IrvinVice President, Finance280$1.28$3598,055−3.36% plan?
Oct 11, 2016 SForm 4 →Oct 12, 4:26 pm EDTJon IrvinVice President, Finance150$1.83$2748,335−1.77% plan?
Oct 3, 2016 SForm 4 →Oct 5, 6:21 pm EDTJon IrvinVice President, Finance250$1.93$4818,485−2.86% plan?
Oct 6, 2015 PForm 4 →Oct 7, 5:42 pm EDTPFIZER INC10% Owner714,285$7.00$4,999,9952,253,509+46.4% plan?
Oct 6, 2015 PForm 4 →Oct 6, 4:09 pm EDTSofinnova Venture Partners VIII, L.P. +410% Owner857,142$7.00$5,999,9942,974,811+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:18 pm EDTHarry R Weller10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:17 pm EDTRavi Viswanathan10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:16 pm EDTPeter W. Sonsini10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:16 pm EDTScott D Sandell10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:15 pm EDTDavid M Mott10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:14 pm EDTKrishna Kittu Kolluri10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:13 pm EDTPatrick J Kerins10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:13 pm EDTNew Enterprise Associates 14, L.P.10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:12 pm EDTAnthony A. Florence Jr.10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:10 pm EDTForest Baskett10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:10 pm EDTPeter J Barris10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 3:09 pm EDTM James Barrett10% Owner857,142$7.00$5,999,9942,971,517+40.5% plan?
Oct 6, 2015 PForm 4 →Oct 6, 1:36 pm EDTMichael PowellDirector, 10% Owner857,142$7.00$5,999,9942,974,811+40.5% plan?
Oct 5, 2015 CJForm 4 →Oct 7, 5:42 pm EDTPFIZER INC10% Owner1,775,079$7.00$1,650,9852,489,364— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 4:09 pm EDTSofinnova Venture Partners VIII, L.P. +410% Owner2,117,669——2,117,669— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:18 pm EDTHarry R Weller10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:17 pm EDTRavi Viswanathan10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:16 pm EDTPeter W. Sonsini10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:16 pm EDTScott D Sandell10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:15 pm EDTDavid M Mott10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:14 pm EDTKrishna Kittu Kolluri10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:13 pm EDTPatrick J Kerins10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:13 pm EDTNew Enterprise Associates 14, L.P.10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:12 pm EDTAnthony A. Florence Jr.10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:10 pm EDTForest Baskett10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:10 pm EDTPeter J Barris10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 3:09 pm EDTM James Barrett10% Owner2,114,375——2,114,375— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 1:37 pm EDTMatthew WinklerDirector802,276——51,034— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 1:36 pm EDTMichael PowellDirector, 10% Owner2,117,669——2,117,669— plan?
Oct 5, 2015 CJForm 4 →Oct 6, 1:34 pm EDTLawrence M AllevaDirector4,025——4,025— plan?

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 27, 2026 HPForm 4 →Aug 14, 4:09 pm EDTNew Enterprise Associates 14, L.P. +5Director, 10% Owner5,281,690——2,640,845— late
Mar 5, 2019 AForm 4 →Mar 6, 4:06 pm ESTAoife BrennanSee Remarks, Director185,000——185,000—
Mar 5, 2019 AForm 4 →Mar 6, 4:05 pm ESTTodd ShegogSee Remarks58,500——58,500—
Feb 11, 2019 AForm 4 →Feb 12, 6:33 pm ESTPatricia N. HurterDirector20,000——20,000—
Oct 31, 2018 AForm 4 →Nov 1, 4:05 pm EDTAoife BrennanPresident and CEO, Director150,000——150,000—
Jun 13, 2018 AForm 4 →Jun 14, 4:29 pm EDTEdward T MathersDirector10,000——10,000—
Jun 13, 2018 AForm 4 →Jun 14, 4:05 pm EDTNick LeschlyDirector10,000——10,000—
Jun 13, 2018 AForm 4 →Jun 14, 4:05 pm EDTPeter BarrettDirector10,000——10,000—
Jun 13, 2018 AForm 4 →Jun 14, 4:05 pm EDTMichael PowellDirector10,000——10,000—
Jun 13, 2018 AForm 4 →Jun 14, 4:05 pm EDTChau Quang KhuongDirector10,000——10,000—
Jun 13, 2018 AForm 4 →Jun 14, 4:05 pm EDTRichard P SheaDirector10,000——10,000—
Jun 5, 2018 AForm 4 →Jun 6, 5:20 pm EDTAoife BrennanInterim President and CEO54,000——54,000—
Mar 14, 2018 AForm 4 →Mar 16, 6:05 am EDTJose-Carlos Gutierrez-RamosSee Remarks, Director120,540——120,540—
Mar 14, 2018 AForm 4 →Mar 15, 4:11 pm EDTTodd ShegogSee Remarks48,000——48,000—
Mar 14, 2018 AForm 4 →Mar 15, 4:05 pm EDTAoife BrennanChief Medical Officer56,000——56,000—
Mar 14, 2018 AForm 4 →Mar 15, 4:05 pm EDTAndrew GengosChief Operating Officer10,000——10,000—
Mar 14, 2018 AForm 4 →Mar 15, 4:05 pm EDTPaul Francis MillerChief Scientific Officer16,000——16,000—
Dec 29, 2017 AForm 4 →Jan 3, 2018, 4:36 pm ESTChau Quang KhuongDirector17,143——17,143—
Dec 29, 2017 AForm 4 →Jan 3, 2018, 4:32 pm ESTEdward T MathersDirector18,572——18,572—
Dec 29, 2017 AForm 4 →Jan 3, 2018, 4:31 pm ESTMichael PowellDirector18,572——18,572—
Dec 29, 2017 AForm 4 →Jan 3, 2018, 4:31 pm ESTPeter BarrettDirector28,713$6.60$76,36211,570—
Dec 29, 2017 AForm 4 →Jan 3, 2018, 4:30 pm ESTRichard P SheaDirector17,143——17,143—
Dec 29, 2017 AForm 4 →Jan 3, 2018, 4:30 pm ESTNick LeschlyDirector17,143——17,143—
Oct 31, 2017 AForm 4 →Dec 22, 8:06 pm ESTAndrew GengosSee Remarks154,000——154,000— late
Aug 28, 2017 AForm 4 →Aug 30, 4:41 pm EDTEdward T MathersDirector1,428——1,428—
Aug 28, 2017 AForm 4 →Aug 30, 4:13 pm EDTNick LeschlyDirector2,857——2,857—
Aug 28, 2017 AForm 4 →Aug 30, 4:10 pm EDTRichard P SheaDirector2,857——2,857—
Aug 28, 2017 AForm 4 →Aug 30, 4:08 pm EDTChau Quang KhuongDirector2,857——2,857—
Aug 28, 2017 AForm 4 →Aug 30, 4:08 pm EDTPeter BarrettDirector2,857——2,857—
Aug 28, 2017 AForm 4 →Aug 30, 4:06 pm EDTMichael PowellDirector1,428——1,428—
Jun 29, 2016 AForm 4 →Sep 6, 6:33 pm EDTClay B SiegallDirector10,000——10,000— late
Jun 29, 2016 AForm 4 →Sep 6, 6:31 pm EDTEdward T MathersDirector10,000——10,000— late
Jun 29, 2016 AForm 4 →Sep 6, 6:29 pm EDTMichael PowellDirector10,000——10,000— late
Jun 29, 2016 AForm 4 →Sep 6, 6:28 pm EDTLawrence M AllevaDirector10,000——10,000— late
Jun 29, 2016 AForm 4 →Sep 6, 6:27 pm EDTPeter GreenleafDirector10,000——10,000— late
Jun 29, 2016 AForm 4 →Sep 6, 6:25 pm EDTMatthew WinklerDirector10,000——10,000— late
Jun 29, 2016 AForm 4 →Sep 6, 6:23 pm EDTPerry NisenDirector20,000——20,000— late
Apr 25, 2016 AForm 4 →Apr 26, 8:19 pm EDTVincent O'NeillChief Medical Officer250,000——250,000—
Mar 11, 2016 AForm 4 →Mar 14, 5:24 pm EDTPeter GreenleafDirector8,000——8,000—
Mar 11, 2016 AForm 4 →Mar 14, 5:24 pm EDTJon IrvinVice President, Finance10,000——10,000—
Mar 11, 2016 AForm 4 →Mar 14, 5:23 pm EDTCasi DeYoungChief Business Officer60,000——60,000—
Mar 11, 2016 AForm 4 →Mar 14, 5:23 pm EDTAlan FuhrmanChief Financial Officer60,000——60,000—
Mar 11, 2016 AForm 4 →Mar 14, 5:22 pm EDTPaul LammersPresident & CEO, Director165,000——165,000—
Mar 1, 2016 AForm 4 →Mar 2, 1:35 pm ESTPeter GreenleafDirector12,000——12,000—
Oct 5, 2015 CForm 4 →Oct 7, 5:42 pm EDTPFIZER INC10% Owner1,539,224——0—
Oct 5, 2015 CForm 4 →Oct 6, 4:09 pm EDTSofinnova Venture Partners VIII, L.P. +410% Owner1,827,828——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:18 pm EDTHarry R Weller10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:17 pm EDTRavi Viswanathan10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:16 pm EDTPeter W. Sonsini10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:16 pm EDTScott D Sandell10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:15 pm EDTDavid M Mott10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:14 pm EDTKrishna Kittu Kolluri10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:13 pm EDTPatrick J Kerins10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:13 pm EDTNew Enterprise Associates 14, L.P.10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:12 pm EDTAnthony A. Florence Jr.10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:10 pm EDTForest Baskett10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:10 pm EDTPeter J Barris10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 3:09 pm EDTM James Barrett10% Owner1,825,209——0—
Oct 5, 2015 CForm 4 →Oct 6, 1:37 pm EDTMatthew WinklerDirector714,470——0—
Oct 5, 2015 CForm 4 →Oct 6, 1:36 pm EDTMichael PowellDirector, 10% Owner1,827,828——0—
Oct 5, 2015 CForm 4 →Oct 6, 1:34 pm EDTLawrence M AllevaDirector3,818——0—
Sep 30, 2015 AForm 4 →Sep 30, 7:33 pm EDTEdward T MathersDirector7,200——7,200—
Sep 30, 2015 AForm 4 →Sep 30, 7:26 pm EDTMatthew WinklerDirector7,200——7,200—
Sep 30, 2015 AForm 4 →Sep 30, 7:26 pm EDTClay B SiegallDirector12,000——12,000—
Sep 30, 2015 AForm 4 →Sep 30, 7:25 pm EDTMichael PowellDirector, 10% Owner7,200——7,200—
Sep 30, 2015 AForm 4 →Sep 30, 7:24 pm EDTPaul LammersPresident & CEO, Director76,666——76,666—
Sep 30, 2015 AForm 4 →Sep 30, 7:24 pm EDTSinil KimChief Medical Officer25,000——25,000—
Sep 30, 2015 AForm 4 →Sep 30, 7:23 pm EDTElaine V JonesDirector7,200——7,200—
Sep 30, 2015 AForm 4 →Sep 30, 7:22 pm EDTJon IrvinVice President, Finance25,000——25,000—
Sep 30, 2015 AForm 4 →Sep 30, 7:22 pm EDTAlan FuhrmanChief Financial Officer167,180——167,180—
Sep 30, 2015 AForm 4 →Sep 30, 7:21 pm EDTCasi DeYoungChief Business Officer26,666——26,666—
Sep 30, 2015 AForm 4 →Sep 30, 7:20 pm EDTMiguel BarbosaChief Scientific Officer284,206——284,206—
Sep 30, 2015 AForm 4 →Sep 30, 7:20 pm EDTLawrence M AllevaDirector10,533——10,533—