Shaff Eric D.

Number of records: 24
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
17-May-24 8:18 PM
View: 
Seres Therapeutics, Inc. (MCRB) 15-May-24Option Exercise 7,812----6%
135.32K to 143.13K
17-May-24 8:18 PM
View: 
Seres Therapeutics, Inc. (MCRB) 15-May-24Planned Option Sale 2,435$0.94$2,288.90(2%)
143.13K to 140.7K
16-Feb-24 9:42 PM
View: 
Seres Therapeutics, Inc. (MCRB) 16-Feb-24Planned Option Sale 11,549$1.08$12,472.90(8%)
146.87K to 135.32K
16-Feb-24 9:42 PM
View: 
Seres Therapeutics, Inc. (MCRB) 15-Feb-24Option Exercise 31,250----27%
115.62K to 146.87K
31-Oct-23 9:40 PM
View: 
Seres Therapeutics, Inc. (MCRB) 30-Oct-23Planned Option Sale 8,552$1.35$11,545.20(7%)
124.17K to 115.62K
31-Oct-23 9:40 PM
View: 
Seres Therapeutics, Inc. (MCRB) 27-Oct-23Option Exercise 27,838----29%
96.33K to 124.17K
06-Jul-22 7:21 PM
View: 
Seres Therapeutics, Inc. (MCRB) 05-Jul-22Grant 63,492$3.15$200,000.00193%
32.84K to 96.33K
28-Jan-20 4:07 PM
View: 
Seres Therapeutics, Inc. (MCRB) 26-Jan-20Option Exercise 20,000----156%
12.84K to 32.84K
29-Jan-19 6:52 PM
View: 
Seres Therapeutics, Inc. (MCRB) 28-Jan-19Market Option Sale 4,378$5.75$25,187.50(25%)
17.22K to 12.84K
(269%)
29-Jan-19 6:52 PM
View: 
Seres Therapeutics, Inc. (MCRB) 26-Jan-19Option Exercise 12,000----230%
5.22K to 17.22K
30-Jan-18 9:01 PM
View: 
Seres Therapeutics, Inc. (MCRB) 26-Jan-18Option Exercise 8,000----100%
0 to 8.0K
30-Jan-18 9:01 PM
View: 
Seres Therapeutics, Inc. (MCRB) 26-Jan-18Market Option Sale 2,780$11.02$30,635.60(35%)
8.0K to 5.22K
(93%)
30-Jun-16 5:46 PM
View: 
Seres Therapeutics, Inc. (MCRB) 30-Jun-16Option Exercise 4,533$7.79$35,312.10100%
0 to 4.53K
30-Jun-16 5:46 PM
View: 
Seres Therapeutics, Inc. (MCRB) 30-Jun-16Market Option Sale 4,533$29.54$133,905.00(100%)
4.53K to 0
32%
29-Jun-16 7:21 PM
View: 
Seres Therapeutics, Inc. (MCRB) 28-Jun-16Option Exercise 1,667$7.79$12,985.90100%
0 to 1.67K
29-Jun-16 7:21 PM
View: 
Seres Therapeutics, Inc. (MCRB) 28-Jun-16Market Option Sale 1,667$28.85$48,092.90(100%)
1.67K to 0
31%
29-Jun-16 7:21 PM
View: 
Seres Therapeutics, Inc. (MCRB) 27-Jun-16Option Exercise 3,334$7.79$25,971.90100%
0 to 3.33K
29-Jun-16 7:21 PM
View: 
Seres Therapeutics, Inc. (MCRB) 27-Jun-16Market Option Sale 3,334$28.00$93,352.00(100%)
3.33K to 0
28%
06-Apr-16 5:44 PM
View: 
Seres Therapeutics, Inc. (MCRB) 04-Apr-16Option Exercise 6,568$7.79$51,164.70100%
0 to 6.57K
06-Apr-16 5:44 PM
View: 
Seres Therapeutics, Inc. (MCRB) 04-Apr-16Market Option Sale 6,568$28.85$189,487.00(100%)
6.57K to 0
31%
04-Apr-16 7:23 PM
View: 
Seres Therapeutics, Inc. (MCRB) 31-Mar-16Option Exercise 7,663$7.79$59,694.80100%
0 to 7.66K
04-Apr-16 7:23 PM
View: 
Seres Therapeutics, Inc. (MCRB) 31-Mar-16Market Option Sale 7,663$26.30$201,569.00(100%)
7.66K to 0
24%
29-Mar-16 7:08 PM
View: 
Seres Therapeutics, Inc. (MCRB) 28-Mar-16Option Exercise 5,473$7.79$42,634.70100%
0 to 5.47K
29-Mar-16 7:08 PM
View: 
Seres Therapeutics, Inc. (MCRB) 28-Mar-16Market Option Sale 5,473$24.07$131,735.00(100%)
5.47K to 0
17%