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Birchtech Corp.

BCHT Net buying
CIK 0000728385 #4842 in the set updated 19 Sep 2026
Bought (120 mo)
$2.84M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$599.46K
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$599.46K
1 of 1 sales
Net
+$2.24M
+$2.24M against sales at will

By person

8 insiders · 55 transactions
7.0×

Richard MacPherson holds 7.0 times base salary in stock. $7.09M of shares against $1.00M in salary for 2025.

Salary from the company's own proxy. The shares are what Richard MacPherson last reported holding, valued at $2.40, the price Common Stock was last bought or sold at on the open market here, on 27 Feb 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Alterna Core Capital Assets Fund II, L.P. entity
10% owner
$2.04M (1)
+$2.04M
11,700,000
$28.08M
+127.0%
MacPherson Richard
President and CEO
$778.75K (2)
$599.46K (1)
+$179.29K
2,955,095
$7.09M
+342.7%
Greenberg Christopher
Chairman of the Board
$22.90K (4)
+$22.90K
5,480,533
$13.15M
+165.7%
Grantham Allan T
Former Director
$1.90K (1)
+$1.90K
1,357,778
$3.26M
+20.9%
Pavlish John
Senior VP/Chief Tech Officer
2,198,528
$5.28M
+134.4%
Kaye David M
Director
370,142
$888.34K
Van Zijl Frederick
Former Director
235,184
$564.44K
Grant Troy J
Director
200,000
$480.00K
+33.3%

No percentages here. This company's share count has moved by a factor of 3.7 over the window, from 26,305,966 to 96,866,109 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
MacPherson Richard
19 Apr 2021
President and CEO
Sell
582,000
$1.03
$599.46K

What was left out

Form 4 filings counted 143
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 3
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 1
Transactions with no price 0
Shares from compensation/vesting 33,092,429
Sales filed before the plan box existed 1
History held since 2 Sep 2016