PROTOPAPAS ANNA (President & CEO) sold 12.9% of their position (41.94K shares) of MERSANA THERAPEUTICS, INC. on the open market
Open‑market sale worth $513.2K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 2 sales
Filed: 7/19/2021ACC: 0001104659-21-093665
DirectorOfficer· President & CEO
Since Jan 2019
-41.94K
Net shares
Net seller
$513.2K
Total sold
2
Open market trades
0B · 2S
4
Total transactions
100K acquired · 141.94K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
+100K
Price / share
—
Trade value
—
% of position
44.5%
7/15/2021
224.92K→324.92K
Common Stock
Direct
Shares
−20.04K
Price / share
$12.47
Trade value
$249.94K
% of position
6.2%
7/16/2021
324.92K→304.88K
Common Stock
Direct
Shares
−21.90K
Price / share
$12.02
Trade value
$263.25K
% of position
7.2%
7/19/2021
304.88K→282.98K
Total
Net shares
+58.06K
Net value
-$513.19K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 7/15/2021 | M · Option Exercise | +100K | — | — | 44.5% | 224.92K | 324.92K |
| Common Stock Direct | 7/16/2021 | S · Sale | −20.04K | $12.47 | $249.94K | 6.2% | 324.92K | 304.88K |
| Common Stock Direct | 7/19/2021 | S · Sale | −21.90K | $12.02 | $263.25K | 7.2% | 304.88K | 282.98K |
| Total | +58.06K | -$513.19K | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Common Stock
100K shares
Shares
−100K
Strike price
Held after
0.00
Exercisable
—
7/15/2021
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock100K shares | 7/15/2021 | M · Option Exercise | −100K | — | 0.00 |