CIK: 1553053 - Address: C/o Mersana Therapeutics, Inc., 840 Memorial Drive, Cambridge, MA 02139
21 results

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P%ret2171-1617425320
P%wins712957100867169

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12/1/23 17:02
12/1/23
BFAMBright Horizons Family Solutions Inc.PerSvPerSvChild Day Care ServicesAlleva Lawrence MMADS-6088.590-1-79D
6/3/21 18:58
6/1/21
MRSNMersana Therapeutics, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MMADP1514.3801952I
6/3/21 17:22
6/1/21
GRTXGalera Therapeutics, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MPADP358.59046410I
6/3/21 16:31
6/1/21
ADAPAdaptimmune Therapeutics PlcX0HealthBioPrdBiological Products, (No DiagAlleva Lawrence MX0DP100.790001310143I
11/17/20 16:06
11/13/20
GRTXGalera Therapeutics, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MPADP2410.2202586D
6/11/20 21:00
6/9/20
ADAPAdaptimmune Therapeutics PlcX0HealthBioPrdBiological Products, (No DiagAlleva Lawrence MX0DP241.8901311131I
6/3/20 17:30
6/1/20
MRSNMersana Therapeutics, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MMADP2522.9501New1D
5/21/20 16:01
5/19/20
BFAMBright Horizons Family Solutions Inc.PerSvPerSvChild Day Care ServicesAlleva Lawrence MMADP25107.950046D
5/13/20 19:22
5/11/20
BFAMBright Horizons Family Solutions Inc.PerSvPerSvChild Day Care ServicesAlleva Lawrence MMADM.d00.0001206D
12/17/19 16:05
12/13/19
GRTXGalera Therapeutics, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MPADP399.7804New4D
5/14/19 16:06
5/12/19
BFAMBright Horizons Family Solutions Inc.PerSvPerSvChild Day Care ServicesAlleva Lawrence MMADM.d00.0001324D
12/19/18 20:04
12/17/18
ADAPAdaptimmune Therapeutics PlcX0HealthBioPrdBiological Products, (No DiagAlleva Lawrence MUTDP400.840004767118I
6/14/18 16:14
6/12/18
TSROTesaro, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MMADM.d476.62073130D
6/14/18 16:14
6/12/18
TSROTesaro, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MMADS.d-30843.110-7-1930D
9/30/14 17:29
9/29/14
TSROTesaro, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MMADP2926.17121525D91-32-9-14-13-10-330143811445
11/27/13 16:52
11/12/13
BFAMBright Horizons Family Solutions Inc.DEPerSvPerSvChild Day Care ServicesAlleva Lawrence MMADP5035.36311402D-6-1-1-5-10-2-34111026
8/1/13 18:04
7/31/13
TSROTesaro, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MMADP5034.33101722D1518827-1-11-10-16-2-311-14-21
5/2/13 18:57
4/30/13
TSROTesaro, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MMADP3028.1051619D774916810-21-2191940-19
2/1/13 16:35
1/30/13
BFAMBright Horizons Family Solutions Inc.DEPerSvPerSvChild Day Care ServicesAlleva Lawrence MMADP2222.00331New1D-1-11-1152730
11/2/12 16:35
11/1/12
TSROTesaro, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MMADP5015.45032218D14102112-2231891148
7/6/12 17:28
7/3/12
TSROTesaro, Inc.DEHealthDrugPharmaceutical PreparationsAlleva Lawrence MMADP15513.50411New11D-10-1-4827159

DDerivative transaction in filing (usually option exercise)
MMultiple transactions in filing; earliest reported transaction date and weighted average transaction price
AAmended filing
EError detected in filing
S - SaleSale of securities on an exchange or to another person
S - Sale+OESale of securities on an exchange or to another person (after option exercise)
F - TaxPayment of exercise price or tax liability using portion of securities received from the company
P - PurchasePurchase of securities on an exchange or from another person
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