NASDAQ: COLL
Collegium Pharmaceutical Inc Stock Ownership - Who owns Collegium Pharmaceutical?

Insider buying vs selling

Have Collegium Pharmaceutical Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
David DieterEVP General Counsel2026-03-1813,976$34.92
$488.10kSell
David DieterEVP General Counsel2026-03-178,840$35.72
$315.76kSell
David DieterEVP General Counsel2026-03-096,224$36.65
$228.11kSell
Scott DreyerEVP Chief Commercial Officer2026-03-033,559$40.99
$145.88kSell
Scott DreyerEVP Chief Commercial Officer2026-03-0346,417$40.36
$1.87MSell
Vikram KarnaniPresident and CEO2026-02-1011,296$46.75
$528.09kSell
Thomas B. SmithEVP and Chief Medical Officer2026-02-105,897$46.75
$275.68kSell
David DieterEVP General Counsel2026-02-102,781$46.75
$130.01kSell
Colleen TupperEVP Chief Financial Officer2026-02-1026,679$46.75
$1.25MSell
Colleen TupperEVP Chief Financial Officer2026-02-1011,861$46.75
$554.50kSell

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Net Insider Buy/Sell (L12M) Ownership

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COLL Shareholders

What type of owners hold Collegium Pharmaceutical Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
David Hirsch20.28%6,438,798$222.65MInsider
Rubric Capital Management LP19.81%6,290,486$217.53MInsider
Longitude Capital Partners LLC17.77%5,643,684$195.16MInsider
Skyline Venture Partners V LP16.06%5,099,832$176.35MInsider
Blackrock Inc16.06%5,099,702$176.35MInstitution
Vanguard Group Inc7.11%2,256,254$78.02MInstitution
Yasunori Kaneko6.77%2,150,186$74.35MInsider
Patrick J. Heron5.94%1,887,332$65.26MInsider
Frazier Healthcare VI LP5.94%1,887,332$65.26MInsider
Eventide Asset Management LLC5.91%1,876,239$64.88MInstitution

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COLL vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
COLL51.97%48.03%Net SellingNet Selling
EVO5.54%0.00%
ALVO4.99%0.00%
AMPH48.75%51.25%Net BuyingNet Selling
CRON13.75%49.84%Net SellingNet Selling

Collegium Pharmaceutical Stock Ownership FAQ

Who owns Collegium Pharmaceutical?

Collegium Pharmaceutical (NASDAQ: COLL) is owned by 116.92% institutional shareholders, 108.05% Collegium Pharmaceutical insiders, and 0.00% retail investors. David Hirsch is the largest individual Collegium Pharmaceutical shareholder, owning 6.44M shares representing 20.28% of the company. David Hirsch's Collegium Pharmaceutical shares are currently valued at $227.42M.

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