Insider holders · CIK 0001556263
Syros Pharmaceuticals, Inc. · SYRS
Every insider with a reported Table I holding at this company, ranked by their last-reported share count. A balance is only as fresh as its filing — the report date sits next to every row on purpose. ← Back to activity
| Insider | Direct shares | Indirect shares | Total reported | Last report (ET) | From |
|---|---|---|---|---|---|
| Robert NelsenDirector | 4,472,554 | 4,637,137 | 9,109,691 | Mar 11, 2019 · 5:58 pm EDT | Form 4 |
| ARCH Venture Partners VII, L.P.10% Owner | 4,472,554 | — | 4,472,554 | Mar 11, 2019 · 5:58 pm EDT | Form 4 |
| ARCH Venture Partners VII, LLC10% Owner | 4,472,554 | — | 4,472,554 | Mar 11, 2019 · 5:58 pm EDT | Form 4 |
| ARCH Venture Fund VII, L.P.10% Owner | 4,472,554 | — | 4,472,554 | Mar 11, 2019 · 5:58 pm EDT | Form 4 |
| Clinton Bybee10% Owner | 4,472,554 | — | 4,472,554 | Mar 11, 2019 · 5:58 pm EDT | Form 4 |
| Keith Crandell10% Owner | 4,472,554 | — | 4,472,554 | Mar 11, 2019 · 5:58 pm EDT | Form 4 |
| Flagship VentureLabs IV, LLC10% Owner | 2,378,663 | 24,527 | 2,403,190 | Aug 21, 2017 · 4:19 pm EDT | Form 4 |
| Flagship Ventures Fund IV-Rx, L.P.10% Owner | 2,378,663 | 24,527 | 2,403,190 | Aug 21, 2017 · 4:19 pm EDT | Form 4 |
| Flagship Ventures Fund IV General Partner LLC10% Owner | 2,378,663 | 24,527 | 2,403,190 | Aug 21, 2017 · 4:19 pm EDT | Form 4 |
| Flagship Ventures Fund IV, L.P.10% Owner | 2,378,663 | 24,527 | 2,403,190 | Aug 21, 2017 · 4:19 pm EDT | Form 4 |
| Edwin M Kania Jr.10% Owner | 2,378,663 | 24,527 | 2,403,190 | Aug 21, 2017 · 4:19 pm EDT | Form 4 |
| Srinivas AkkarajuDirector | — | 1,059,938 | 1,059,938 | Feb 2, 2018 · 3:53 pm EST | Form 4 |
| WuXi PharmTech Healthcare Fund I L.P.10% Owner | 931,857 | — | 931,857 | Jul 7, 2016 · 8:15 am EDT | Form 4 |
| Aisling Capital Partners III LLC10% Owner | 908,565 | — | 908,565 | Jul 6, 2016 · 5:10 pm EDT | Form 4 |
| Aisling Capital Partners III LP10% Owner | 908,565 | — | 908,565 | Jul 6, 2016 · 5:10 pm EDT | Form 4 |
| AISLING CAPITAL III LP10% Owner | 908,565 | — | 908,565 | Jul 6, 2016 · 5:10 pm EDT | Form 4 |
| Dennis J Purcell10% Owner | 908,565 | — | 908,565 | Jul 6, 2016 · 5:10 pm EDT | Form 4 |
| Steve Elms10% Owner | 908,565 | — | 908,565 | Jul 6, 2016 · 5:10 pm EDT | Form 4 |
| Andrew N Schiff10% Owner | 908,565 | — | 908,565 | Jul 6, 2016 · 5:10 pm EDT | Form 4 |
| Nancy A SimonianPresident and CEO | 669,288 | 80,000 | 749,288 | Feb 14, 2019 · 5:19 pm EST | Form 4 |
| Deerfield Mgmt III, L.P.10% Owner | — | 628,566 | 628,566 | Jul 6, 2016 · 11:54 am EDT | Form 4 |
| Deerfield Private Design Fund III, L.P.10% Owner | — | 628,566 | 628,566 | Jul 6, 2016 · 11:54 am EDT | Form 4 |
| Deerfield Special Situations Fund, L.P.10% Owner | — | 628,566 | 628,566 | Jul 6, 2016 · 11:54 am EDT | Form 4 |
| James E Flynn10% Owner | — | 628,566 | 628,566 | Jul 6, 2016 · 11:54 am EDT | Form 4 |
| Deerfield Mgmt L.P.10% Owner | — | 628,566 | 628,566 | Jul 6, 2016 · 11:54 am EDT | Form 4 |
| DEERFIELD MANAGEMENT CO10% Owner | — | 628,566 | 628,566 | Jul 6, 2016 · 11:54 am EDT | Form 4 |
| Nathanael Gray10% Owner | 426,666 | — | 426,666 | Jun 29, 2016 · 6:52 pm EDT | Form 3 |
| WuXi Healthcare Ventures II, L.P.10% Owner | 423,805 | — | 423,805 | Jul 6, 2016 · 9:25 pm EDT | Form 4 |
| Richard A YoungDirector | 420,101 | — | 420,101 | Aug 16, 2017 · 4:08 pm EDT | Form 4 |
| Perspecta Trust LLC10% Owner | — | 351,666 | 351,666 | Jun 29, 2016 · 6:57 pm EDT | Form 3 |
| JEB Syros Trust10% Owner | 351,666 | — | 351,666 | Jun 29, 2016 · 6:57 pm EDT | Form 3 |
| Philip A SharpDirector | 146,666 | 40,000 | 186,666 | Jul 6, 2016 · 9:23 pm EDT | Form 4 |
| Jeremy P. SpringhornChief Business Officer | 102,000 | — | 102,000 | Feb 14, 2019 · 5:19 pm EST | Form 4 |
| Joseph J Ferra Jr.Chief Financial Officer | 87,000 | — | 87,000 | Feb 14, 2019 · 5:17 pm EST | Form 4 |
| Eric R OlsonChief Scientific Officer | 87,000 | — | 87,000 | Feb 14, 2019 · 5:17 pm EST | Form 4 |
| David RothChief Medical Officer | 87,000 | — | 87,000 | Feb 14, 2019 · 5:18 pm EST | Form 4 |
| Gerald E QuirkChief Legal & Admin. Officer | 87,000 | — | 87,000 | Feb 14, 2019 · 5:18 pm EST | Form 4 |
| Jeremy Green10% Owner | 49,793 | — | 49,793 | Jul 7, 2016 · 6:03 am EDT | Form 4 |
| Redmile Group, LLC10% Owner | 49,793 | — | 49,793 | Jul 7, 2016 · 6:03 am EDT | Form 4 |
| Polaris Management Co. VII, L.L.C.10% Owner | — | 48,320 | 48,320 | Jul 7, 2016 · 5:41 pm EDT | Form 4 |
| Polaris Entrepreneurs' Fund VII, L.P.10% Owner | — | 48,320 | 48,320 | Jul 7, 2016 · 5:41 pm EDT | Form 4 |
| Polaris Partners VII, L.P.10% Owner | — | 48,320 | 48,320 | Jul 7, 2016 · 5:41 pm EDT | Form 4 |
| Amir NashatDirector | — | 48,320 | 48,320 | Jul 7, 2016 · 5:41 pm EDT | Form 4 |
| Stephane BancelDirector | 47,980 | — | 47,980 | Jul 6, 2016 · 9:24 pm EDT | Form 4 |
| Noubar Afeyan10% Owner | 0 | 24,527 | 24,527 | Feb 13, 2018 · 6:43 pm EST | Form 5 |
| Colleen Elizabeth DeSimonePrincipal Accounting Officer | 0 | — | 0 | Oct 23, 2017 · 4:44 pm EDT | Form 4 |
Balances come from each insider’s most recent filing that reports a Table I holding; an insider who left the company years ago still appears with their last-known figure and its date. Indirect totals collapse multiple vehicles (trusts, LLCs) into one number — open the filing for the breakdown. Shares as filed, not split-adjusted.