Insiders · MACK

Eric Andersen

Director at Merrimack Pharmaceuticals Inc (MACK)

Eric Andersen has filed 16 insider reports with the SEC since April 2021, as director at Merrimack Pharmaceuticals Inc (MACK). Eric Andersen made no open-market purchases or sales in the last 12 months. In the latest amended filing, on December 28, 2023, Eric Andersen bought 49,550 shares of Merrimack Pharmaceuticals Inc (MACK) for $652K at an average of $13.15.

Filings

16

Companies

1

Bought on market

$12.5M

Sold on market

$338K

Companies where Eric Andersen is an insider

Company	Role	Shares held	Bought	Sold	Avg buy	Price now	Last filing
MACK Merrimack Pharmaceuticals Inc	Director		$12.5M	$338K	$10.86		Dec 28, 2023

Shares held: common shares owned directly after the latest filing that states it. Avg buy: open-market purchase dollars divided by shares bought, every filing on record.

Every filing

• Dec 28, 2023
  MACKAndersen Eric bought $651,754 worth of shares (49,550 units at $13.15)

  Form 4/AOpen-market purchase
  +$652K
• Dec 7, 2023
  MACKAndersen Eric bought $1,298,472 worth of shares (101,050 units at $12.85)

  Form 4/AOpen-market purchase
  +$1.3M
• Nov 17, 2023
  MACKAndersen Eric bought $3,750 worth of shares (300 units at $12.50)

  Form 4/AOpen-market purchase
  +$3,750
• Nov 14, 2023
  MACKAndersen Eric bought $627,125 worth of shares (50,170 units at $12.50)

  Form 4/AOpen-market purchase
  +$627K
• Nov 9, 2023
  MACKAndersen Eric bought $289,319 worth of shares (23,798 units at $12.16)

  Form 4/AOpen-market purchase
  +$289K
• Aug 8, 2023
  MACKSEC Form 4: Andersen Eric bought $2,658,741 worth of shares (221,550 units at $12.00)

  Form 4Open-market purchase
  +$2.66M
• Mar 21, 2023
  MACKSEC Form 4 filed by Andersen Eric

  Form 4Open-market purchase
  +$1.85M
• Jan 31, 2023
  MACKSEC Form 4: Andersen Eric bought $306,375 worth of shares (26,967 units at $11.36) (Amendment)

  Form 4Open-market purchase
  +$306K
• Jan 31, 2023
  MACKSEC Form 4: Andersen Eric bought $306,068 worth of shares (26,940 units at $11.36)

  Form 4Open-market purchase
  +$306K
• Jan 27, 2023
  MACKSEC Form 4: Andersen Eric bought $249,298 worth of shares (21,875 units at $11.40)

  Form 4Open-market purchase
  +$249K
• Jan 3, 2023
  MACKSEC Form 4: Andersen Eric bought $347,159 worth of shares (30,632 units at $11.33)

  Form 4Open-market purchase
  +$347K
• Dec 30, 2022
  MACKSEC Form 4: Andersen Eric bought $2,774,716 worth of shares (259,936 units at $10.67)

  Form 4Open-market purchase
  +$2.77M
• Jul 1, 2021
  MACKSEC Form 4: Andersen Eric bought $651,857 worth of Common Stock (100,214 units at $6.50) and sold $338,120 worth of Common Stock (52,914 units at $6.39) (Amendment)

  Form 4Open-market purchaseOpen-market sale
  +$652K
• Apr 14, 2021
  MACKSEC Form 4: Andersen Eric bought $313,736 worth of Common Stock (47,300 units at $6.63)

  Form 4Open-market purchase
  +$314K
• Apr 13, 2021
  MACKSEC Form 4: Andersen Eric bought $61,780 worth of Common Stock (9,874 units at $6.26)

  Form 4Open-market purchase
  +$61.8K
• Apr 12, 2021
  MACKSEC Form 4: Andersen Eric bought $143,194 worth of Common Stock (23,629 units at $6.06)

  Form 4Open-market purchase
  +$143K

Compare Eric Andersen with

• Eric Andersen vs Gary L Crocker1 shared
• Eric Andersen vs Ana Radeljevic1 shared
• Eric Andersen vs Ulrik B. Nielsen1 shared
• Eric Andersen vs Noah G. Levy1 shared
• Eric Andersen vs Russell T Ray1 shared

Questions about Eric Andersen

What is Eric Andersen's role at Merrimack Pharmaceuticals Inc?

Eric Andersen reports to the SEC as director at Merrimack Pharmaceuticals Inc (MACK), according to the latest filing on December 28, 2023.

Has Eric Andersen bought or sold stock recently?

The most recent open-market purchase was on December 28, 2023: bought 49,550 shares of Merrimack Pharmaceuticals Inc (MACK) for $652K at an average of $13.15. The most recent open-market sale was on July 1, 2021: sold 52,914 shares of Merrimack Pharmaceuticals Inc (MACK) for $338K at an average of $6.39.

How do I get alerts when Eric Andersen files?

Follow Eric Andersen on Quantisnow and you get an email, and a phone notification on Plus, within minutes of each new Form 4 or Form 5, and of each Form 144 notice of a planned sale.

From SEC Forms 3, 4, 5 and 144 filed by Eric Andersen (SEC CIK 0001517667). Totals count each trade once, skipping amendments whose original is on file, from Apr 14, 2021 on. View on SEC EDGAR