16 routine filings (option exercises, shares withheld for taxes, grants, gifts) are not listed here. Show them
Insider buying
7 insiders in a week, a first since 2014Traded Nov 12 · filed 1 day later
Since the trade +11.8% · S&P 500 −0.4% · to Nov 13
A Larimar Therapeutics director paid $187K out of pocket for Larimar Therapeutics shares. 6 other people at Larimar Therapeutics bought some too, in the same month.
Insider buying
6 insiders in a week, a first since 2014Traded Nov 11 · filed 1 day later
Since the trade +10.6% · S&P 500 −0.7% · to Nov 13
Larimar Therapeutics's President and COO paid $50K out of pocket for Larimar Therapeutics shares. 6 other people at Larimar Therapeutics bought some too, in the same month. It was the first purchase in over a year.
Insider buying
6 insiders in a week, a first since 2014Traded Nov 11 · filed 1 day later
Since the trade +10.6% · S&P 500 −0.7% · to Nov 13
The CFO of Larimar Therapeutics paid $50K out of pocket for Larimar Therapeutics shares. 6 other people at Larimar Therapeutics bought some too, in the same month. It was the first purchase in over a year.
Insider buying
6 insiders in a week, a first since 2014Traded Nov 11 · filed 1 day later
Since the trade +10.6% · S&P 500 −0.7% · to Nov 13
The CEO of Larimar Therapeutics paid $50K out of pocket for Larimar Therapeutics shares. 6 other people at Larimar Therapeutics bought some too, in the same month. It was the first purchase in over a year.
Insider buying
6 insiders in a week, a first since 2014Traded Nov 11 · filed 1 day later
Since the trade +10.6% · S&P 500 −0.7% · to Nov 13
A Larimar Therapeutics director paid $9.8K out of pocket for Larimar Therapeutics shares. 6 other people at Larimar Therapeutics bought some too, in the same month. It was the first purchase in over a year.
Insider buying
6 insiders in a week, a first since 2014Traded Nov 11 · filed 1 day later
Since the trade +10.6% · S&P 500 −0.7% · to Nov 13
A Larimar Therapeutics director paid $22K out of pocket for Larimar Therapeutics shares. 6 other people at Larimar Therapeutics bought some too, in the same month. It was the first purchase in 9 months.
Insider buying
6 insiders in a week, a first since 2014Traded Nov 11 · filed 1 day later
Since the trade +10.6% · S&P 500 −0.7% · to Nov 13
Larimar Therapeutics's Chief Development Officer paid $14K out of pocket for Larimar Therapeutics shares. 6 other people at Larimar Therapeutics bought some too, in the same month. It was the first purchase in over a year.
Insider buying
Traded Jul 6 · filed 2 days later
Since the trade −8.2% · S&P 500 +0.4% · to Nov 13
A Larimar Therapeutics director paid $167K out of pocket for Larimar Therapeutics shares. Shares held went up 8% with this purchase.
Traded Feb 27, 2026 · largest single transaction ~$10M
Insider buying
4 insiders in a week, 2nd time since 2014Traded Feb 27 · filed 3 days later
Since the trade −43.1% · S&P 500 +10.0% · to Nov 13
A Larimar Therapeutics director paid $500K out of pocket for Larimar Therapeutics shares. 3 other people at Larimar Therapeutics bought some too, in the same month. Shares held went up 18% with this purchase.
Insider buying
4 insiders in a week, 2nd time since 2014Traded Feb 27 · filed 3 days later
Since the trade −43.1% · S&P 500 +10.0% · to Nov 13
A Larimar Therapeutics director paid $25K out of pocket for Larimar Therapeutics shares. 3 other people at Larimar Therapeutics bought some too, in the same month. Shares held went up 250% with this purchase.
Insider buying
4 insiders in a week, 2nd time since 2014Traded Feb 27 · filed 3 days later
Since the trade −43.1% · S&P 500 +10.0% · to Nov 13
A Larimar Therapeutics director paid $25K out of pocket for Larimar Therapeutics shares. 3 other people at Larimar Therapeutics bought some too, in the same month.
Traded Jul 31, 2025 · largest single transaction ~$10.8M