Peter C Richardson

CIK 1343502 · EVP & Chief Scientific Officer · last filed 2025-08-04

Peter C Richardson is an EVP & Chief Scientific Officer who has filed 27 SEC Form 4 insider transactions across 3 companies since 2007. Across all open-market trades the lifetime net is −$237.6K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $489.0K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$489.0K

Companies

3

Total Filings

27

Lifetime Open-Market Net

-$237.6K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
Keenova Therapeutics plc (MNK) Delisted EVP & Chief Scientific Officer 75,091 $0.34 $25.5K $0 3 2023-07-05
ANTARES PHARMA, INC. (ATRS) Delisted EVP, R&D Chief Medical Officer 36,199 $5.59 $202.4K $0 2 2021-06-14
MNKD Chief Scientific Officer 133,611 $3.66 $489.0K -$237.6K 17 2012-03-06

Recent Filings

27 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-08-04 Grant (A) $0
2025-01-02 Exer (M) +3,419 $0
2024-02-06 Grant (A) $0
2023-11-16 Disp (D) −75,091 $0
2023-07-05 Keenova Therapeutics plc (MNK) Delisted Disp (D) $0 EDGAR
2023-04-05 Keenova Therapeutics plc (MNK) Delisted Grant (A) $0 EDGAR
2023-02-03 Keenova Therapeutics plc (MNK) Delisted Grant (A) +75,091 $0 EDGAR
2022-05-26 Disp (D) −50,613 -$283.4K
2021-06-14 ANTARES PHARMA, INC. (ATRS) Delisted Grant (A) +36,199 $160.0K EDGAR
2021-04-28 ANTARES PHARMA, INC. (ATRS) Delisted Grant (A) $0 EDGAR
Showing 110 of 27
Page 1 of 3
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.