GTE

GRAN TIERRA ENERGY INC.

NYSEEnergyCrude Petroleum & Natural Gas

Insider activity for last month from 08/09 to 09/09. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 08, 2026Most recent Form 4
Total buying$00 buys
Total selling$625M8 sells
Net open-market-$625M8 insiders
Open-market mix
Buy vs sell distribution by transaction count
8 transactions
0 buys0%·100%8 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
1050-5-10transactionsAug 2026 sells: 8 transactions · $625M8AugSep

Transaction codes

By Form 4 transaction code in selected period
16transactions
  • A · Grants / awards · dominant8 · 50%
  • S · Open-market sells8 · 50%

Activity by reported role

A joint filing can contribute to multiple roles
20transactions
  • 10% owner · dominant8 · 40%
  • EVP4 · 20%
  • COO2 · 10%
  • CS2 · 10%
  • LL2 · 10%
  • PRES2 · 10%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (8)
Aug 2026Sep 2026
12distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Equinox Partners LpCommon Shares, par value $0.001 per share · Indirect · By Kuroto Fund LP
395.3k359.3kAug 13, 2026 · 395,329 shares owned afterAug 14, 2026 · 359,336 shares owned afterAug 13, 2026Aug 14, 2026
359,336Aug 14, 2026
Equinox Partners LpCommon Shares, par value $0.001 per share · Indirect · By Equinox Partners, L.P.
1.5M1.4MAug 13, 2026 · 1,548,003 shares owned afterAug 14, 2026 · 1,407,074 shares owned afterAug 13, 2026Aug 14, 2026
1,407,074Aug 14, 2026
Equinox Partners LpCommon Shares, par value $0.001 per share · Indirect · By Managed Account
1.5M1.4MAug 13, 2026 · 1,549,604 shares owned afterAug 14, 2026 · 1,408,547 shares owned afterAug 13, 2026Aug 14, 2026
1,408,547Aug 14, 2026
Equinox Partners LpCommon Shares, par value $0.001 per share · Indirect · By Mason Hill Partners, LP
329.6k299.6kAug 13, 2026 · 329,636 shares owned afterAug 14, 2026 · 299,625 shares owned afterAug 13, 2026Aug 14, 2026
299,625Aug 14, 2026
Equinox Partners Investment Management LLCCommon Shares, par value $0.001 per share · Indirect · By Managed Account
1.5M1.4MAug 13, 2026 · 1,549,604 shares owned afterAug 14, 2026 · 1,408,547 shares owned afterAug 13, 2026Aug 14, 2026
1,408,547Aug 14, 2026
Equinox Partners Investment Management LLCCommon Shares, par value $0.001 per share · Indirect · By Equinox Partners, L.P.
1.5M1.4MAug 13, 2026 · 1,548,003 shares owned afterAug 14, 2026 · 1,407,074 shares owned afterAug 13, 2026Aug 14, 2026
1,407,074Aug 14, 2026
Equinox Partners Investment Management LLCCommon Shares, par value $0.001 per share · Indirect · By Kuroto Fund LP
395.3k359.3kAug 13, 2026 · 395,329 shares owned afterAug 14, 2026 · 359,336 shares owned afterAug 13, 2026Aug 14, 2026
359,336Aug 14, 2026
Equinox Partners Investment Management LLCCommon Shares, par value $0.001 per share · Indirect · By Mason Hill Partners, LP
329.6k299.6kAug 13, 2026 · 329,636 shares owned afterAug 14, 2026 · 299,625 shares owned afterAug 13, 2026Aug 14, 2026
299,625Aug 14, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
1 active days
Aug 09Sep 09
LessMore
Top insiders
By absolute net value across the selected period
1 insiders
Recent filing activity
Most recent 8 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$131M
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

GTE transaction history

Filters apply within this company and selected period by default
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GRAN TIERRA ENERGY INC. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at GRAN TIERRA ENERGY INC.?

Morin Sebastien, Guidry Gary, Evans Jim, Abraham Phillip D, Equinox Partners Investment Management LLC, EQUINOX PARTNERS LP, KUROTO FUND LP, MASON HILL PARTNERS LP.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Equinox Partners Investment Management LLC reported a sale on Aug 14, 2026 valued at $27.9M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $6,257,618.47. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.